DOWNLOAD PDF ZF ERGOPOWER 4 6 WG-130 160 REPAIR INSTRUCTION MANUAL

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Repair Instruction

REPAIR INSTRUCTIONS 1-2

WG-130/160

REFERENCE

For information concerning description, installation instructions, operation and maintenance, see respective Operating Instructions, ZF-Ordering-No. 5872 196 002.

ZF Passau GmbH

Donaustr. 25 - 71

D - 94034 Passau

Abt.: ASTDM / Section : ASTDM

Nachdruck auch auszugsweise ohne die Genehmigung der ZF Passau GmbH nicht gestattet!

Copyright ZF Passau GmbH!

Copying even partially not permitted!

Reproduction même par extrait est interdite!

Technische Änderungen vorbehalten! With the reserve of technical modifications!

Sous réserve de modifications techniques!

1.Auflage / 1.Edition

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Repair Instruction

PREFACE

Off-Road Transmissions and Axle Systems Division

This documentation has been developed for skilled staff trained by the ZF Passau for the repair and maintenance works on ZF-units.

Documented is a ZF-serial product representing the design state at the time of the edition.

However, due to further technical developments of the product, the repair of the unit at your disposal could require different steps as well as different adjustments and testing specifications.

Therefore, we recommend to commit your ZF-product to foremen and technicians whose practical and theoretical training is permanently updated in our after-sales service school.

The service stations established world-wide by the Zahnradfabrik Friedrichshafen are offering to you:

1. Continuously trained staff

2. Prescribed facilities, e.g. special tools

3. Genuine ZF-spare parts meeting the latest state of development

Here, all operations are carried out for you with utmost care and reliability.

Repairs carried out by ZF-service stations are covered by a respective warranty within the scope of the applicable contractual conditions.

Damage caused by improper or unskilled work carried out by others than ZF-staff as well as resulting consequential costs, if any, are excluded from this contractual liability. This also applies, if the use of genuine ZF-spare parts is renounced.

Off-Road Transmissions and Axle Systems Division

Repair Instruction

GENERAL

The Service Manual covers all works required for dismantling and the pertaining installation.

When repairing the transmission, ensure utmost cleanliness and that the works are carried out in an expertlike manner.

The transmission should only be disassembled for renewing damaged parts. Covers and housing parts installed with seals must be loosened by slight blows with a plastic mallet after screws and nuts have been removed. For removing parts being in tight contact with the shaft such as antifriction bearings, bearing races, and similar, use suitable pulling devices.

Dismantling and mounting works must be carried out at a clean working place. Use the special tools developed for this purpose. Prior to the re-installation of the parts, clean the contact surfaces of housings and covers from the residues of old seals. Remove burrs, if any, or similar irregularities with an oil stone. Clean housings and locking covers with a suitable detergent, in particular corners and angles. Damaged parts or parts heavily worn down must be renewed. Here, the expert must assess, whether parts such as antifriction bearings, thrust washers etc. subjected to normal wear during operation, can be installed again. Parts such as sealing rings, lock plates, split pins etc. must generally be renewed. Radial sealing rings with worn down or torn sealing lip must also be renewed. Particularly ensure that no chips or other foreign bodies remain in the housing. Lube oil bores and grooves must be checked for unhindered passage. All bearings must be treated with operating oil prior to installing them:

REFERENCE:

CAUTION

For heating up parts such as bearings, housings etc., only a heating furnace or an electric drier is permitted to be used!

When assembling the transmission, absolutely observe the indicated torque limits and adjustment data. Screws and nuts must be tightened according to the enclosed standard table, unless otherwise specified. In view of the risk of functional failures in the control unit, the use of liquid sealing agents is not permitted. By no means, Molykote is permitted to be used. Lined plates must not be washed. They must be cleaned with a leather cloth.

DANGER

When using detergents, observe the instructions given by the manufacturer regarding handling of the respective detergent.

Repair Instruction

Structure of the Repair Manual

The structure of this Repair Manual reflects the sequence of the working steps for completely disassembling the dismantled transmission. Dismantling and installing as well as the disassembly and assembly of a main group are always summarized in one chapter.

Special tools required for performing the respective repair works are listed under „Special tools“.

Important information on industrial safety

Generally, the persons repairing ZF-sets are responsible on their own for the industrial safety.

The observation of all valid safety regulations and legal impositions is the pre-condition for avoiding damage to persons and to the product during maintenance and repair works. Persons performing repair works must familiarize themselves with these regulations.

The proper repair of these ZF-products requires the employment of suitably trained and skilled staff. The repairer is obliged to perform the training.

The following safety references are used in the present Repair Manual:

Serves as reference to special working procedures, methods, information, the use of auxiliaries etc..

CAUTION

DANGER

REFERENCE

Is used, if a deviating and improper working procedure can damage the product

Is used, if lacking care can lead to personal injury or danger to life

Prior to starting the checks and repair works, thoroughly study the present instructions.

CAUTION: Illustrations, drawings and parts do not always represent the original; the working procedure is shown.

The illustrations, drawings, and parts are not drawn to scale; conclusions regarding size and weight must not be drawn (not even within one representation). The works must be performed according to the description..

REFERENCE:

After the repair works and the checks, the expert staff must convince itself that the product is properly functioning again. .

Repair Instruction

Off-Road Transmissions and Axle Systems Division

BEZEICHNUNG DER GESETZLICHEN EINHEITEN

DENOMINATION OF STANDARD DIMENSIONS

DENOMINATION DES DIMENSIONS STANDARDISEES

Hinweis : längenbezogene Maße in kg/m; flächenbezogene Maße in t/m2

Note : linear density in kg/m;areal density in t/m2

Nota : Densité lineaire en kg/m;Densité superficielle en t/m2

BegriffFormelzeichenneualtUmrechnung Bemerkungen UnitNewoldConversionNote UnitéNouveauVieuConversionNota

Masse m kg (Kilogramm)kg

Mass

Masse

KraftFN (Newton)kp1 kp = 9,81 N

Force

Force

ArbeitAJ (Joule)kpm 0,102 kpm = 1J = 1 Nm

Work

Travail

LeistungPKW (Kilowatt)PS (DIN)1 PS = 0,7355 KW

Power 1 KW = 1,36 PS

Puissance

DrehmomentTNm kpm 1 kpm = 9,81 Nm T (Nm) = Torque(Newtonmeter)F (N) . r (m)

Couple

KraftmomentMNm kpm 1 kpm = 9,81 Nm M (Nm) =

Moment (Force)(Newtonmeter)F (N) . r (m)

Moment (Force)

Druck (Über-) pü bar atü1,02 atü = 1,02 kp/cm2

Pressure (Overpress)= 1 bar = 750 torr

Pression (Sur-)

Drehzahlnmin -1

Speed

Nombre de Tours

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25,40 mm

1 kg ( Kilogramm )

9,81 Nm ( 1 kpm )

1,356 Nm ( 0,138 kpm )

1 kg / cm

1 bar ( 1,02 kp/cm2 )

0,070 bar ( 0,071 kp/cm2 )

1 Liter

4,456 Liter

1 Liter

3,785 Liter

1609,344 m

0° C ( Celsius )

0 ° C ( Celsius )

Repair Instruction

Off-Road Transmissions and Axle Systems Division

VERGLEICHSTABELLE FÜR MASSEINHEITEN

CONVERSION TABLE TABLEAU DE CONVERSION

1 in ( inch)

2,205 lb ( pounds )

7,233 lbf x ft ( pound force foot) 1 lbf x ft ( pound force foot )

5,560 lb / in ( pound per inch )

14,233 psi (pound force per square inch lbf/in2 ) 1 psi ( lbf/in2 )

0,264 Gallon ( Imp. ) 1 Gallon ( Imp. )

0,220 Gallon ( US ) 1 Gallon ( US )

1 Mile ( Landmeile ) + 32° F ( Fahrenheit )

273,15 Kelvin

Repair Instruction

TORQUE LIMITS FOR SCREWS (IN Nm) ACCORDING TO ZF-STANDARDS 148

Friction value: µ total= 0,12 for screws and nuts without after-treatment as well as phosphatized nuts. Tightening by hand!

Torque limits, if not especially indicated, can be taken from the following List:

M

Preface

The present Documentation has been developped for skilled personnel which has been trained by the ZF for the Maintenance and Repair operations on ZF-units. However, because of technical development of the product, the Maintenance and Repair of the unit in your hands may require differing steps as well as also different setting and test data.

This Manual is based on the technical state at the printing. At the preparation, every possible care has been taken to avoid errors. However, we are not liable for possible mistakes concerning the representation and the description.

We are reserving ourselves the right of modifications without previous information.

The responsibility lies with the owner and the user, to pay attention to the safety indications, and to carry out the Maintenance operations according to the prescribed Specifications.

The ZF is not liable for faulty installation, incorrect treatment, insufficient Maintenance, impro-perly and unskilled performed works, and for the subsequential damages resulting from it.

It is imperative to pay attention to the corresponding Specifications and Manuals of the Vehicle Manufacturer.

Important Informations concerning the technical reliability and reliability in service are accen-tuated by the following Symbols:

Valid for Instructions which must be observed at the Maintenance, the Performance or the Operation of the vehicle !

Is inserted at working and operating procedures which have to be exactly respected to avoid a damage or destruction of the unit or to exclude a danger to persons !

Repair Instruction

GENERAL

The Service Manual covers all works required for dismantling and the pertaining installation.

When repairing the transmission, ensure utmost cleanliness and that the works are carried out in an expertlike manner.

The transmission should only be disassembled for renewing damaged parts. Covers and housing parts installed with seals must be loosened by slight blows with a plastic mallet after screws and nuts have been removed. For removing parts being in tight contact with the shaft such as antifriction bearings, bearing races, and similar, use suitable pulling devices.

Dismantling and mounting works must be carried out at a clean working place. Use the special tools developed for this purpose. Prior to the re-installation of the parts, clean the contact surfaces of housings and covers from the residues of old seals. Remove burrs, if any, or similar irregularities with an oil stone. Clean housings and locking covers with a suitable detergent, in particular corners and angles. Damaged parts or parts heavily worn down must be renewed. Here, the expert must assess, whether parts such as antifriction bearings, thrust washers etc. subjected to normal wear during operation, can be installed again. Parts such as sealing rings, lock plates, split pins etc. must generally be renewed. Radial sealing rings with worn down or torn sealing lip must also be renewed. Particularly ensure that no chips or other foreign bodies remain in the housing. Lube oil bores and grooves must be checked for unhindered passage. All bearings must be treated with operating oil prior to installing them:

REFERENCE:

CAUTION

For heating up parts such as bearings, housings etc., only a heating furnace or an electric drier is permitted to be used!

When assembling the transmission, absolutely observe the indicated torque limits and adjustment data. Screws and nuts must be tightened according to the enclosed standard table, unless otherwise specified. In view of the risk of functional failures in the control unit, the use of liquid sealing agents is not permitted. By no means, Molykote is permitted to be used. Lined plates must not be washed. They must be cleaned with a leather cloth.

DANGER

When using detergents, observe the instructions given by the manufacturer regarding handling of the respective detergent.

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Repair Instruction

Structure of the Repair Manual

The structure of this Repair Manual reflects the sequence of the working steps for completely disassembling the dismantled transmission. Dismantling and installing as well as the disassembly and assembly of a main group are always summarized in one chapter.

Special tools required for performing the respective repair works are listed under „Special tools“.

Important information on industrial safety

Generally, the persons repairing ZF-sets are responsible on their own for the industrial safety.

The observation of all valid safety regulations and legal impositions is the pre-condition for avoiding damage to persons and to the product during maintenance and repair works. Persons performing repair works must familiarize themselves with these regulations.

The proper repair of these ZF-products requires the employment of suitably trained and skilled staff. The repairer is obliged to perform the training.

The following safety references are used in the present Repair Manual:

Serves as reference to special working procedures, methods, information, the use of auxiliaries etc..

CAUTION

DANGER

REFERENCE

Is used, if a deviating and improper working procedure can damage the product

Is used, if lacking care can lead to personal injury or danger to life

Prior to starting the checks and repair works, thoroughly study the present instructions.

CAUTION: Illustrations, drawings and parts do not always represent the original; the working procedure is shown.

The illustrations, drawings, and parts are not drawn to scale; conclusions regarding size and weight must not be drawn (not even within one representation). The works must be performed according to the description..

REFERENCE:

After the repair works and the checks, the expert staff must convince itself that the product is properly functioning again. .

Repair Instruction

Off-Road Transmissions and Axle Systems Division

BEZEICHNUNG DER GESETZLICHEN EINHEITEN

DENOMINATION OF STANDARD DIMENSIONS

DENOMINATION DES DIMENSIONS STANDARDISEES

Hinweis : längenbezogene Maße in kg/m; flächenbezogene Maße in t/m2

Note : linear density in kg/m;areal density in t/m2

Nota : Densité lineaire en kg/m;Densité superficielle en t/m2

BegriffFormelzeichenneualtUmrechnung Bemerkungen UnitNewoldConversionNote UnitéNouveauVieuConversionNota

Masse m kg (Kilogramm)kg

Mass

Masse

KraftFN (Newton)kp1 kp = 9,81 N

Force

Force

ArbeitAJ (Joule)kpm 0,102 kpm = 1J = 1 Nm

Work

Travail

LeistungPKW (Kilowatt)PS (DIN)1 PS = 0,7355 KW

Power 1 KW = 1,36 PS

Puissance

DrehmomentTNm kpm 1 kpm = 9,81 Nm T (Nm) = Torque(Newtonmeter)F (N) . r (m)

Couple

KraftmomentMNm kpm 1 kpm = 9,81 Nm M (Nm) =

Moment (Force)(Newtonmeter)F (N) . r (m)

Moment (Force)

Druck (Über-) pü bar atü1,02 atü = 1,02 kp/cm2

Pressure (Overpress)= 1 bar = 750 torr

Pression (Sur-)

Drehzahlnmin -1

Speed

Nombre de Tours

25,40 mm

1 kg ( Kilogramm )

9,81 Nm ( 1 kpm )

1,356 Nm ( 0,138 kpm )

1 kg / cm

1 bar ( 1,02 kp/cm2 )

0,070 bar ( 0,071 kp/cm2 )

1 Liter

4,456 Liter

1 Liter

3,785 Liter

1609,344 m

0° C ( Celsius )

0 ° C ( Celsius )

Repair Instruction

Off-Road Transmissions and Axle Systems Division

VERGLEICHSTABELLE FÜR MASSEINHEITEN

CONVERSION TABLE TABLEAU DE CONVERSION

1 in ( inch)

2,205 lb ( pounds )

7,233 lbf x ft ( pound force foot) 1 lbf x ft ( pound force foot )

5,560 lb / in ( pound per inch )

14,233 psi (pound force per square inch lbf/in2 ) 1 psi ( lbf/in2 )

0,264 Gallon ( Imp. ) 1 Gallon ( Imp. )

0,220 Gallon ( US ) 1 Gallon ( US )

1 Mile ( Landmeile ) + 32° F ( Fahrenheit )

273,15 Kelvin

Repair Instruction

TORQUE LIMITS FOR SCREWS (IN Nm) ACCORDING TO ZF-STANDARDS 148

Friction value: µ total= 0,12 for screws and nuts without after-treatment as well as phosphatized nuts. Tightening by hand!

Torque limits, if not especially indicated, can be taken from the following List:

M

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Werkstatthandbuch

Geschäftsbereich - A Arbeitsmaschinen-Antriebe und Achssysteme

Werkstatthandbuch

Gruppe 4656 138

Group Groupe

Geschäftsbereich - A Arbeitsmaschinen-Antriebe und Achssysteme

WG 130 / WG 160

Version “B”

Reparaturhilfe / Aids to repair work Anziehdrehmomente / Tightening torques Werkzeuge / Special tools

1 = Kanalplatte mit Bypassventil Duct plate with by-pass valve 3 2 1

2 - ZF Feinfilter ohne Bypassventil ZF fine filter without by-pass valve 0750 131 061

Farbe: blau / blue

3 = Verschmutzungsanzeige fouling indicator optional

Off-Road Transmissions and Axle Systems Division

Filter change

1.1 DISASSEMBLY

Separate filter from filter head.

(S) Strap wrench5870 105 005

Lubricate gasket of ZF-Microfilter (pressure filter)! Screw in filter until contact with the seal face and then tighten it by hand!

Figure 1
Figure 2

Werkstatthandbuch

Geschäftsbereich - A Arbeitsmaschinen-Antriebe und Achssysteme

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Inductive sensors

1

2

Arbeitsmaschinen-Antriebe und Achssysteme

2.1Speed-, inductive transmitter and pulse sensor

Installation positions are shown in Figure 301 and 302.

6=Pulse sensorSpeedo

34=Speed transmittern – Output

21=Inductive transmittern – Turbine

47=Inductive transmittern – Internal speed input

48=Inductive transmittern – Engine

Installationpositionofspeedtransmitter(34)isdifferent

Grease O-rings and install speed as well as inductive transmitter. Wet thread of pulse sensor (6) with Loctite (Type No. 574) and install it.

Tightening torque .................................... Ma = 23 Nm (Cap screw - Speed transmitter)

Tightening torque .................................... Ma = 30 Nm (Inductive transmitter and pulse sensor)

Figure
Figure

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Bypass- and relief valve

3

4

Off-Road Transmissions and Axle Systems Division

3.1 Bypass valve and converter relief valve

Remove differential pressure switch (warning switch – fouling).

Remove piston and compression spring (by-pass valve).

3.2 Duct plate

Install single parts.

1 = Compression spring

2 = Piston

3 = Differential pressure switch (warning switch – fouling)

Grease O-ring (arrow)!

Tightening torque ...................... MA = 30 Nm

3.3 Converter relief valve

Remove hose pipes.

Loosen cap screws and separate gearshift housing from duct plate.

(S) Socket spanner TX-275873 042 002

Figure 1
Figure 2
Figure
Figure

Bypass- and relief valve

Off-Road Transmissions and Axle Systems Division

Loosen cap screws and separate duct plate from transmission housing.

(S) Socket spanner TX-405873 042 004

Pull converter safety valve out of the housing bore.

Install converter safety valve (assy) into housing bore until contact.

Install (arrow) gasket.

Use assembly grease!

Figure 5
Figure 6
Figure 7
Figure 8

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Bypass- and relief valve

Off-Road Transmissions and Axle Systems Division

Fix duct plate equally by means of cap screws.

Tightening torque (M8) ........................ MA = 23 Nm

(S) Socket spanner TX-275873 042 004

Install two adjusting screws and assemble gasket (arrow).

Pay attention to different gaskets (Figure 44 and 46)!

(S) Adjusting screw5870 204 063

Install intermediate sheet (arrow).

Install gasket (arrow).

Figure 9
Figure 10
Figure 11
Figure 12

Bypass- and relief valve

13

Off-Road Transmissions and Axle Systems Division

Fix hydraulic control unit by means of cap screws.

Tightening torque (M6) .................... MA = 11 Nm

(S) Socket spanner Tx-275873 042 002

Figure

Off-Road Transmissions and Axle Systems Division

4.1 Remove shift unit and clean screens.

Remove hose pipes.

Loosen cap screws and separate gearshift housing from duct plate.

(S) Socket spanner TX-275873 042 002

Loosen cap screws.

Separate duct plate, gaskets and intermediate sheet from valve block.

(S) Socket spanner TX-275873 042 002

Figure 1
Figure 2

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Transmissions and Axle Systems Division

4.2 ASSEMBLY

4.2.1

Hydraulic Control Unit (HSG-94)

Below sketches show the sectional views of the HSG-94

As to the wiring harness position different versions are possible! Pay attention to information of vehicle manufacturer!

MAIN PRESSURE VALVE 16+2 bar

MAIN PRESSURE VALVE 16 +2 bar

SECTION A - A

PRESSURE REDUCTION VALVE 9 bar

SECTION B - B

PRESSURE REDUCTION VALVE 9 bar

Off-Road Transmissions and Axle Systems Division

Install two adjusting screws and put on gasket (arrow).

Pay attention to different gaskets, see Figure 34 and 37!

(S) Adjusting screws5870 204 063

Intermediate sheet – version with screens

Insert screens (6x) aligning into bore holes of the intermediate sheet, see arrows!

Observe installation position – screens are showing upwards (to duct plate)!

Put on intermediate sheet (arrow) with the screens showing upwards.

Figure 3
Figure 4
Figure 5
Put on gasket (arrow).
Figure 6

Off-Road Transmissions and Axle Systems Division

Put on duct plate (arrow) and fix it equally by means of cap screws.

Tightening torque ........................... MA = 11 Nm

(S) Socket spanner TX-275873 042 002

Fix hydraulic control unit by means of cap screws.

Tightening torque (M6) .................... MA = 11 Nm

(S) Socket spanner Tx-275873 042 002

Figure 7
Figure 8

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Off-Road Transmissions and Axle Systems Division

1

Figure 2

Figure 3

4

5.1 Converter clutch valve

Loosen hexagon nuts and remove converter clutch valve.

Insert set screw (arrow) with Loctite (Type No. 649).

Tightening torque (set screw M8) ......... MA = 18 Nm

Install converter clutch valve according to opposite figure.

1 =Solenoid valve

2=Cap screw + Spring washer (2x)

3=Gearshift housing

4=Piston

5=Shim rings (empirical value, 3 pcs. of 0,5 mm thickness each)

6=Compression spring

7=Stop

8=Screw-in sleeve (install new O-ring)

Tightening torque ......... MA = 46 Nm

Converter clutch pressure 15 + 1 bar is determined by shim rings 5! Install stop 7 with shouldered plane face showing to the compression spring!

Tightening torque ...................... MA = 5,5 Nm

Cap screws (M5/8.8)

Put on gasket (arrow) and fix gearshift housing by means of cap screws (install washers).

Tightening torque (M6/8.8) .............. MA = 9,5 Nm

Figure
Figure

Off-Road Transmissions and Axle Systems Division

Fix bracket to the housing.

Tightening torque (M10/8.8) ............... MA = 46 Nm

Fix converter clutch valve to the bracket (Figure 51).

Tightening torque (M8/8.8) ................. MA = 23 Nm

Install hose pipes (arrows).

Install new sealing rings!

Tightening torque (Union screw 12) ..............MA = 45 Nm

Tightening torque (Union screw 8) ..............MA = 35 Nm

Tightening torque (Hose pipes) ..................... MA = 35 Nm

Figure 5
Figure 6

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Repair Manual

1

2

3

4

6.1 Axle disconnection

Loosen cap screws and separate axle disconnection from the housing.

(S) Pry bar set5870 345 036

Loosen hexagon screws and remove output flange.

Remove shaft seal and unsnap retaining ring.

6.2 Assemly

Install shaft seal with sealing lip (arrow) showing to the oil sump.

Exact installation position is obtained by use of the specified driver (S)!

Grease sealing lip!

Depending on the version different shaft seals can be used:

Outer diameter rubber-coated – wet with spirit!

Outer diameter metallic – wet with sealing compound (Loctite, Type No. 574)!

(S) Driver5870 048 237

Install hexagon screws and press on screen sheet (arrow) in alignment.

(S) Pressure bush 5870 506 142

Figure
Figure
Figure
Figure

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Repair Manual

Off-Road Transmissions and Axle Systems Division

Assemble output flange and insert O-ring into gap of output flange and shaft.

Put on washer and fasten it with hexagon screws.

Tightening torque (M10/8.8) .............. MA = 46 Nm

Fix hexagon screws by means of tab washer.

(S) Driver5870 057 009

(S) Handle5870 260 002

Install preassembled axle disconnection and fix it by means of cap screws (2 pcs. M12x80, 7 pcs. M12x75 mm).

Tightening torque (M12/8.8) .................. MA = 79 Nm

Loosen hexagon screws and remove output flange (Figure 32). Following to this press shaft seal out of the housing bore .

Figure 5
Figure 6
Figure 7
6.3 Disassembly shaft seal
Figure 8

Repair Manual

6.4 Assembly Standard version

Off-Road Transmissions and Axle Systems Division

Install shaft seal with sealing lip showing to the oil sump.

Exact installation position is obtained by use of the specified driver (S)!

Grease sealing lip!

Depending on the version different shaft seals can be used: Outer diameter rubber-coated – wet with spirit!

Outer diameter metallic – wet with sealing compound (Loctite, Type No. 574)!

(S) Driver5870 048 237

Insert hexagon screws and press on screen sheet (arrow) in alignment.

(S) Pressure bush

Install output flange until contact.

5870 506 142

Insert O-ring (arrow) into gap of output flange and shaft.

Figure 9
Figure 10
Figure 11
Figure 12

Repair Manual

14

Off-Road Transmissions and Axle Systems Division

Fix output flange by means of washer and hexagon screws.

Tightening torque (M10/8.8) ................ MA = 46 Nm

Then fix hexagon screws by means of tab washer (see opposite Figure).

(S) Driver 5870 057 009 (S) Handle5870 260 002

Swivel transmission housing by 180°.

6.5 Check 4 by 4 switch

Check function of switch by resistance test (Figure 229)

Actuating the axle disconnection by means of compressed air results in a changed resistance if the switch is intact!

(S) Measuring device (Multimeter)5870 221 158

Figure 13
Figure

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Geschäftsbereich - A Arbeitsmaschinen-Antriebe und Achssysteme

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und Achssysteme

TECHNICAL DATA 4 WG 130/160

Engine power:

Turbine moment:

Engine speed:

Starting torque multiplication:

Engine-dependent Power take-offs: Torque: Speed:

Mass (without oil): Max. KW*

Nm*

min-1*

*= dependent on Vehicle type and application ** = dependent on the Transmission version

Description:

The ZF-Transmissions 4 WG-130/160 are composed of a hydrodynamic torque converter and a rear-mounted multi-speed powershift transmission with integrated transfer case (see

Table- 1).

The torque converter is a wear-free starting device which is infinitely variable adapting itself to the required situations (necessary input torque).

Input by direct mounting via diaphragm on the engine, or separate installation (input via universal shaft) with DIN-, Mechanic- or Spicer-input flange.

The transmission can be shifted manually or fully-automatically by means of the Electronic unit EST-37.

Torque converter:

Unit size W 300 with torque multiplication.

Powershift transmission: 4 Forward speeds and 3 Reverse speeds.

Output:

The powershift transmission has between input and output shaft a center distance of 500 mm, and can be equipped with the following components: -with output flanges to the front and rear axle for different universal shafts -on the rear output (rear-side) with a disk brake as parking brake - on the converter side with axle disconnection.

Power take-off:

For the drive of an external oil pressure pump, an engine-dependent, coaxial power take-off is planned.

Arbeitsmaschinen-Antriebe und Achssysteme

It allows the attachment of pumps with „SAE-B and C“ Connection.

Transmission accessories:

Upon request, the transmissions can be additionally equipped with the following components: -Emergency steering pump with a feed rate of 16 cm 3/rev. or 32 cm 3/rev.

-Electronic speedometer signal, here the Electronic unit EST-37 offers a speedometer signal.

Transmission ratio (mechanical)*

*= According to the Transmission version, other ratios are also possible.

Arbeitsmaschinen-Antriebe und Achssysteme

ANNEX, comprising:

Tables: 4 WG 130/160

1Layout 4 WG-130/160

Installation view 4 WG-130/160 – Direct installation

2AFront view

2BRear view – Standard version

2CRear view – With disc brake

Installation view 4 WG-130/160 – Separate mounting

3AFront view

3BRear view – Standard version

3CRear view – With disc brake

3 Schedule of measuring points and connectins 4 WG-130/160

5Oil circuit diagram 4 WG-130/160 (Forward 1st speed)

6Electro- hydraulic control with proportional valves

7Power flow - 4 WG-130/160

84 WG-130/160 Fully automatic control EST-37 Circuit diagram - 6029 717 040 –

9Controller DW-3

10Controller ERGO II

11 Type plate

Abbreviations used in the text:

Abbreviation Description EST-37 Ergocontrol

AEB Automated determination of the filling parameters

TCU Electronic control unit

und Achssysteme

TECHNICAL DATA 6 WG 160

Engine power:

Turbine moment:

Engine speed:

Starting torque multiplication:

Engine-dependent Power take-offs: Torque: Speed:

(without oil):

*= dependent on Vehicle type and application

**= dependent on the Transmission version

Description:

The ZF-Transmissions 6 WG-160 are composed of a hydrodynamic torque converter and a rear-mounted multi-speed powershift transmission with integrated transfer case (see Table 1).

The torque converter is a wear-free starting device which is infinitely variable adapting itself to the required situations (necessary input torque).

Input by direct mounting via diaphragm on the engine, or separate installation (input via universal shaft) with DIN-, Mechanic- or Spicer-input flange.

The transmission can be shifted manually or fully-automatically by means of the Electronic unit EST-37.

Torque converter:

Unit size W 300 and 340 with torque multiplication according to the version and a WK.

Powershift transmission: 6 Forward speeds and 3 Reverse speeds.

Output:

The powershift transmission has between input and output shaft a center distance of 500 mm, and can be equipped with the following components: -with output flanges to the front and rear axle for different universal shafts -on the rear output (rear-side) with a disk brake as parking brake - on the converter side with axle disconnection.

Power take-off:

For the drive of an external hydraulic pressure pump,an engine-dependent, coaxial power take-off is existing, upon request also disconnectable. It allows the mounting of pumps with SAE-C connection. Transmission accessories:

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Geschäftsbereich Arbeitsmaschinen-Antriebe und Achssysteme

Upon request, the transmissions can be additionally equipped with the following components:

- Emergency steering pump with a feed rate off 16 cm3/rev. or 32 cm3/rev.

-Electronic speedometer signal for:

-Construction site vehicles here, the Electronic unit EST-37 offers a speedometer signal.

- Road vehicles, the signal required for the speedometer interpretation will be picked-up on the output side by a pulse generator (e.g. is needed for trip recorders).

For this, a frequency divider from the Customer side is necessary.

-Separate mounting of the ZF-Fine filter.

Transmission ratio (mechanical)*

* = According to the Transmission version, other ratios are also possible.

Arbeitsmaschinen-Antriebe und Achssysteme

ANNEX, comprising:

Tables: 6 WG 160

1Design 6 WG-160

Installation survey 6 WG-160 – direct installation

2AFront view

2BRear view

Installation survey 6 WG-160 – separate installation with disc brake

3AFront view

3BRear view

Installation survey 6 WG-160 – separate installation with axle disconnection and torque converter lock-up clutch

4AFront view

4BRear view

4 Measure plan and connections 6 WG-160 with ZF fine filter directly mounted to the transmission

6Oil scheme 6 WG-160 with ZF fine filter directly mounted to the transmission -Forward 1st gear -

7Measure plan and connections 6 WG-160 with externally mounted ZF fine filter

8Oil scheme 6 WG-160 with externally mounted ZF fine filter -Forward 1st gear-

9 Measure plan and connections 6 WG-160 with externally mounted ZF fine filter and lock-up clutch

10 Oil scheme 6 WG-160 with externally mounted ZF fine filter and torque converter lock-up clutch -Forward 1st gear-

11Wheel scheme 6 WG-160

12 Power flow 6 WG-160 -Forward gears-

13Power flow 6 WG-160 -Reverse gears -

14Electro- hydraulic gear shifting with proportional valve

156 WG-160 fully automatic control EST-37 - Standard Circuit diagram - 6029 717 039 –

Arbeitsmaschinen-Antriebe und Achssysteme

16 Speed range selector DW-3

17Speed range selector VTS-3

18Speed range selector SG-6

19 Speed range selector D7

20Type plate

Abbreviations used in the text:

Abbreviation Description

WK Torque converter lock-up clutch

EST-37 Ergocontrol

AEB Automated determination of the filling parameters

TCU Electronic control unit

und Achssysteme

IMPORTANT INSTRUCTIONS

Oil level check (see 4.2):

In the cold start phase, the engine must be running about 2 – 3 minutes at idling speed and the marking on the oil dipstick must then be lying above the cold start mark.

The oil level check in the transmission must be carried out at engine idling speed and operating temperature of the transmission (80° to 90° C).

At stationary engine, the oil level in the transmission is rising essentially, according to the installation conditions !

At every oil change, the ZF-Fine filter must be exchanged. In addition, ZF recommends to start the autonomous calibration of the shifting elements (AEB).

The autonomous calibration of the shifting elements (AEB) must be started after the initial installation of the transmission and the Electronics in the vehicle at the Vehicle Manufacturer and after every replacement of the transmission, the electrohydraulic control or the TCU in case of a failure.

Put the Controller at the starting of the engine always to the Neutral position. At running engine and transmission in Neutral, the parking brake must be engaged or the service brake be actuated, to prevent the vehicle from rolling.

Prior to every start off, loosen the parking brake.

The engagement of the speed out of Neutral is only possible under the programmed transmission input speed (turbine speed).

Neutral position of the selector switch at higher vehicle speeds (above stepping speed) is not admissible.

Either a suitable gear is to be shifted immediately, or the vehicle must be stopped at once.

Reversing (Standard):

The reversing must be performed at standstill, resp. at very low driving speed. Above the programmed reversing limit, the vehicle will be shifted to Neutral by the Electronic unit EST-37, and the vehicle continues rolling in the old driving direction.

The gear of the new driving direction will be only engaged when the programmed reversing speed and the transmission input speed (turbine speed) has fallen below.

The programming is customized and can therefore be different from standard. Therefore, the exact procedure must be taken from the Operating Instructions of the respective Vehicle Manufacturer !

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