CNH CX80C Midi Crawler Excavator Multi-Purpose Circuit Control Kit Installation Instruction Manual

INSTALLATION INSTRUCTIONS

KG1AP059-00

MULTI-PURPOSE CIRCUIT PROPORTIONAL CONTROL KIT

APPROXIMATE INSTALLATION TIME: 32.0 hours

Tor - 47573409 47573409 Issue date August 2013 EN

KG1AP059-00 - MULTI-PURPOSE CIRCUIT PROPORTIONAL CONTROL KIT CASE CONSTRUCTION CX80C

Tor - 47573409 47573409 Issue date August 2013 EN

Contents 1 KIT CONTENT Kit content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

2 PRE-ASSEMBLY PREPARING FOR ASSEMBLY Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

3 ASSEMBLY MULTI-PURPOSE CIRCUIT PROPORTIONAL CONTROL Boom line installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Upper main line installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Pilot line installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Harness installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 Control lever installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25 Port relief valve installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29 Tank indicator sensor installation (filter clog warning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30 Installation of nameplate inside cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31

EN

EN

1 - KIT CONTENT

1 - KIT CONTENT Kit content CX80C NA

Control lever (right) (Refer to 3-25) Item 1

Description Knob (right) proportional control

Quantity 1

Part Reference KHJ28550

Quantity 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 2 2 1 1 1 1 1 1 1 4 1 1 1 1 1 1 2 2 2 1

Part Reference KHH0142 KAJ17680 KNJ1840 KAJ4719 KHJ0343 KHJ20590 KHJ30660 KAJ4101 KHJ0602 KHJ1071 KAJ15220 KHJ1044 105R010Y020R KAJ18350 102R010Y030R KRN0692 KHJ10410 102R012Y020R KHN0296 KNJ0605 KRJ4683 KNJ1936 KHJ0351 KHJ15620 KAJ18310 KHJ2243 KHJ1303 KHJ10420 KHJ1778 KHJ25900 105R010Y025R KAJ15410 KAJ15290 105R012Y030R 102R010Y050R KEH0114 102R010Y025R

Quantity 5 1

Part Reference KHJ0341 KAJ18230

Multi-purpose main circuit (Refer to 3-4) Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Description Wire band (L = 250) Assembly hose Stud Hydraulic hose Elbow ( G1/2) Check valve Stud Hydraulic hose Elbow Stud Hydraulic hose Long elbow ( G1/2) Sems bolt ( M10 X 20) Bracket High-strength bolt High-strength washer Shut-off valve High-strength bolt ( M12 X 20) High-strength washer ( M12) Hose adapter ( G3/4) Hydraulic hose Special socket Elbow ( G3/4) Socket Hydraulic hose Elbow ( G3/4 X G1/2) Elbow ( G1 x G3/4) 3-direction valve Hose adapter ( G3/4 X G1/2) Socket Sems bolt ( M10 X 25) Plate Bracket Sems bolt ( M12 X 30) High-strength bolt ( M10) High-strength washer ( M10) High-strength bolt ( M10)

Multi-purpose pilot circuit proportional control (Refer to 3-10) Item 1 2

Description Elbow ( G1/4) Assembly hose 1-1

EN

1 - KIT CONTENT

Item 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Description Wire band (L = 250) Elbow ( G1/4) Assembly hose Assembly hose Long elbow ( G1/4) Tee ( G1/4) Assembly hose Hose adapter with filter ( G1/4) Tee ( G1/4) Solenoid valve Hose adapter ( G1/4) Bracket Tee ( G1/4 X G3/8 X G1/4) Sems bolt ( M8 X 16) Nipple with filter ( G1/4) Sems bolt ( M10 X 20) Pressure switch Reducing valve Bracket High-strength bolt ( M10 X 40) High-strength washer ( M10) Plug ( G1/4)

Quantity 1 2 1 1 1 7 1 1 1 1 3 1 2 2 1 4 2 1 1 2 2 1

Part Reference KHH0142 KHJ0348 KAJ17290 KAJ16060 KHJ1178 KHJ0869 KAJ16680 KHJ0917 KHJ2773 KHJ14000 KNJ0758 KHJ28770 KHJ12530 105R008Y016R CNA0584 105R010Y020R KHR21500 MFJ71500 KAJ16700 102R010Y040R KEH0114 KHJ0363

Quantity

Part Reference

1

KAR13370

5 3 3 6 6 2

KHH0142 KHR0319 145N006S008B 105R008Y016R KHR1317 KHR10220

Quantity 1 1

Part Reference KHJ12530 KHR32870

Quantity 2

Part Reference KAJ4876

Quantity 1 1

Part Reference KHP21120 KHP21160

Electrical part (Refer to 3-20) Item 1 2 3 4 6 7 8

Description Option (proportional control + proportional control) wire harness Wire band (L = 250) Mount clamp Phillips pan head screw Sems bolt ( M8 X 16) Clip Mount clamp

Indicator (Refer to 3-30) Item 1 2

Description Tee ( G1/4 X G3/8 X G1/4) Pressure sensor ( G1/4)

Port relief valve (Refer to 3-29) Item 22

Description Port relief valve

Plate (Refer to 3-31) Item 1 2

Description Operation label (proportional control) Operation label (proportional control)

1-2 EN

1 - KIT CONTENT

Clamp (Refer to 3-1) Item 1 3

Description

Quantity 8 1

Part Reference KAV0791 KRC5007

Description

Quantity 1 1 2 2

Part Reference KAV19480 KAV19470 BRJ1286 KHJ0481

Pipe clamp LOCTITE®

Line (Refer to 3-1) Item 4 5 6 7

Line assembly (right) Line assembly (left) Plug ( G3/4) Plug ( G3/4)

1-3 EN

1 - KIT CONTENT

1-4 EN

2 - PRE-ASSEMBLY

2 - PRE-ASSEMBLY PREPARING FOR ASSEMBLY

Preparation CX80C NA

An “*” in this document indicates that the part is mounted on the actual machine.

Items to prepare: • Wrenches ( 10 mm, 13 mm, 17 mm, 19 mm, 22 mm, 27 mm, 36 mm, 41 mm) • Hexagon wrench ( 8 mm) • Phillips screwdriver (No. 3) • Cutters, scissors • Rag 1. Position the main unit.

• Put the main unit on solid, level ground, put the bucket cylinder at its open stroke end, the arm cylinder at its open stroke end, lower the boom, and touch the arm top to the ground.

SMIL13II00106AA

1

SMIL13II00107AA

2

2. Switch the ignition key (a) “OFF”, check that the engine has stopped, and then switch the ignition key “ON” again. (Do not start the engine.)

2-1 EN

2 - PRE-ASSEMBLY

3. Bleed out the pressure inside the circuit.

• Flip the lever (c) forward, and then turn the upper operation lever (b) about 10 times to bleed out the pressure.

• Move the travel lever (d) back and forth about 5 times to bleed out the pressure.

SMIL13II00108BA

3

SMIL13II00109AA

4

4. Bleed out the pressure from inside the hydraulic tank.

• Press the air breather button (e) on top of the hydraulic tank to release the pressure inside the tank.

2-2 EN

3 - ASSEMBLY

3 - ASSEMBLY MULTI-PURPOSE CIRCUIT PROPORTIONAL CONTROL

Boom line installation CX80C NA

SMIL13II00026FB

1

Line assemblies (4), (5) 1. Set the line assembly (left) (5) and line assembly (right) (4) on the boom.

Set 1 pipe clamp (1) each onto the line assembly (left) (5) and line assembly (right) (4) and fasten with 1 sems bolt (2) each.

• Apply LOCTITE® (3) to the sems bolts (*1).

• Fasten the pipe clamp (1) at a position 118.50 mm (4.67 in) from the rear end of the line assembly (left) (5) and the line assembly (right) (4).

SMIL13II00042AB

2

3-1 EN

3 - ASSEMBLY

2. Set 1 pipe clamp (1) each onto the line assembly (left) (5) and line assembly (right) (4) and fasten with 1 sems bolt (*1) each.

• Apply LOCTITE® (3) to the sems bolts (*1).

SMIL13II00112AB

3

SMIL13II00118AB

4

SMIL13II00136AB

5

SMIL13II00143AB

6

3. Set 1 pipe clamp (1) each onto the line assembly (left) (5) and line assembly (right) (4) and fasten with 1 sems bolt (*1) each.

• Apply LOCTITE® (3) to the sems bolts (*1).

4. Set 1 pipe clamp (1) each onto the line assembly (left) (5) and line assembly (right) (4) and fasten with 1 sems bolt (*1) each.

• Apply LOCTITE® (3) to the sems bolts (*1).

• Fasten the pipe clamps (1) at positions 140 mm (5.51 in) from the front end of the line assembly (left) (5) and the line assembly (right) (4).

5. Install 1 plug (6) each on line assembly (left) (5) and line assembly (right) (4).

3-2 EN

3 - ASSEMBLY

6. Install 1 plug (7) each on the front end of line assembly (left) (5) and line assembly (right) (4).

SMIL13II00165AB

7

3-3 EN

3 - ASSEMBLY

Upper main line installation CX80C NA

SMIL13II00006FB

1

1. Install the shut-off valve (17) on the bracket (14) with 2 high-strength bolts (18) and 2 high-strength washers (19).

• Adjust the set pressure for the relief valve of the shutoff valve (17) to match the type of attachment used.

Install the bracket (14) on the main unit frame (*1) with 1 high-strength bolt (15), 1 high-strength washer (16), and 2 sems bolts (13).

SMIL13II00024AB

2

3-4 EN

3 - ASSEMBLY

2. Install the 3-direction valve (29) on the bracket (34) with 2 sems bolts (35).

Install the plate (33) on the control valve (*2) with the sems bolt (32).

Install the bracket (34) on the control valve (*2) with 2 high-strength bolts (36) and 2 high-strength washers (37).

Install the high-strength bolt (38) and high strength washer (16) on the bracket (34).

SMIL13II00032BB

3

SMIL13II00038AB

4

SMIL13II00047AB

5

3. Install the socket (23) and elbow (27) on the shut-off valve (17) T port, and then connect the hydraulic hose (26).

4. Install the hose adapter (30) on the 3-direction valve (29) T2 port and connect the hydraulic hose (26).

3-5 EN

3 - ASSEMBLY

5. Install the socket (25) and elbow (24) on the shut-off valve (17) B port.

Connect the assembly hose (2/Y1) to the shut-off valve (17) B port.

SMIL13II00049AB

6

SMIL13II00067AB

7

SMIL13II00073BB

8

6. Connect the assembly hose (2/Y1) to the line (*3) through the bottom of the bracket (*5) and fasten it with the wire band (1).

7. Connect the elbow (28) to the 3-direction valve (29) A port.

Connect the assembly hose (2/Y2) to the 3-direction valve (29) (A) port.

3-6 EN

3 - ASSEMBLY

8. Connect the assembly hose (2/Y2) to the line (*4) through the bottom of the bracket (*5) and fasten it with the wire band (1).

Adjust the fastening positions of the assembly hoses (2/Y1), (2/Y2) so that the distances between the rear end of the hoses (multi-purpose valve side) and clamp (*6) are the dimensions shown below.

• Y1: 870 mm (34 in) • Y2: 840 mm (33 in)

SMIL13II00080BB

9

9. Adjust the fastening positions of the assembly hoses (2/Y1), (2/Y2) so that the distances between the front end of the hoses (lines (*3), (*4) side) and clamp (*7) are the dimensions shown below.

• Y1: 930 mm (37 in) • Y2: 930 mm (37 in)

SMIL13II00089AB

10

3-7 EN

3 - ASSEMBLY

10. Install the elbow (28) on the shut-off valve (17) A port, and then connect the assembly hose (4).

Install the stud (3) on the control valve (*2) B2 port and connect the hydraulic hose (4).

SMIL13II00144BB

11

SMIL13II00155BB

12

11. Install the elbow (28) on the 3-direction valve (29) B port and connect the hydraulic hose (11).

Install the stud (10) and elbow (9) on the control valve (*2) A2 port and connect the hydraulic hose (11).

3-8 EN

3 - ASSEMBLY

12. Install the socket (31) and elbow (28) on the 3-direction valve (29) T1 port and connect the hydraulic hose (21).

Install the hose adapter (20) on the oil cooler line (*8) and connect the hydraulic hose (21).

SMIL13II00187BB

13

SMIL13II00196AB

14

13. Install the long elbow (12) on the control valve (*2) P3 port and connect the hydraulic hose (8).

Install the stud (7) on the control valve (*2) P4 port, and then connect the check valve (6) and elbow (5).

Connect the hydraulic hose (8) to the control valve (*2) P4 port.

3-9 EN

3 - ASSEMBLY

Pilot line installation CX80C NA

SMIL13II00005FB

1

3-10 EN

3 - ASSEMBLY

SMIL13II00008FB

2

a. Hose assembly, b. Code 1. Install the reducing valve (20) on the bracket (14) with 2 sems bolts (16).

Install the bracket (14) on the floor (*1) with 2 sems bolts (18).

SMIL13II00016AB

3

SMIL13II00019AB

4

2. Install the solenoid valve (12) on the bracket (21) with 2 sems bolts (18).

Install the bracket (21) on the swing frame (*8) with 2 high-strength bolts (22) and 2 high-strength washers (23).

3-11 EN

3 - ASSEMBLY

3. Install the tee (15) and elbow (1) on the reducing valve (20) A2 port.

• Tee tightening torque: 25.4 - 31.4 N·m (18.7 - 23.2 lb ft)

SMIL13II00037BB

5

SMIL13II00082AB

6

4. Install the elbow (4) on the control valve (*2) pb2 port.

Connect the reducing valve (20) A2 port and control valve (*2) Pb2 port with the assembly hose (5/Y1).

3-12 EN

3 - ASSEMBLY

5. Install the tee (15) and elbow (1) on the reducing valve (20) A1 port.

• Tee tightening torque: 25.4 - 31.4 N·m (18.7 - 23.2 lb ft)

SMIL13II00087BB

7

SMIL13II00094AB

8

SMIL13II00120AC

9

6. Install the long elbow (7) on the control valve (*2) Pa2 port.

Connect the reducing valve (20) A1 port and control valve (*2) Pa2 port with the assembly hose (5/Y2).

7. Install the nipple with filter (17) on the reducing valve (20) P port.

• Tightening torque: 25.4 - 31.4 N·m (18.7 - 23.2 lb ft)

3-13 EN

3 - ASSEMBLY

8. Install the tee (11) on the solenoid valve (12) P port.

Connect the reducing valve (20) P port and solenoid valve (12) P port with the assembly hose (9/YP5).

SMIL13II00122AC

10

SMIL13II00128AC

11

SMIL13II00134AC

12

9. Install the tee (8) on the reducing valve (20) T port.

• Tightening torque: 25.4 - 31.4 N·m (18.7 - 23.2 lb ft)

10. Install the hose adapter (13) on the solenoid valve (12) T port.

Connect the reducing valve (20) T port and solenoid valve (12) T port with the assembly hose (9/YT5).

Install the plug (24) on the solenoid valve (12) G port.

3-14 EN

3 - ASSEMBLY

11. Install the 2 tees (8) on the manifold (*3) T5 port.

Connect the reducing valve (20) T port and manifold (*3) T5 port with the assembly hose (9/T5).

SMIL13II00135BC

13

SMIL13II00140BC

14

12. Install the tee (8) on the manifold (*3) P4 port.

Install the hose adapter (with filter) (10) on the solenoid valve (12) P port.

Connect the solenoid valve (12) P port and manifold (*3) P4 port with the assembly hose (9/P5).

3-15 EN

3 - ASSEMBLY

13. Install the hose adapter (13) on the solenoid valve (12) A1 port.

SMIL13II00159AC

15

SMIL13II00162AC

16

SMIL13II00163AC

17

SMIL13II00169AC

18

14. Install the elbow (1) on the control valve (*2) Pcc port.

Connect the solenoid valve (12) A1 port and control valve (*2) Pcc port with the assembly hose (6/Y5).

15. Install the hose adapter (13) on the solenoid valve (12) A2 port.

16. Install the tee (8) on the direction valve (*4) PP port.

Connect the solenoid valve (12) A2 port and direction valve (*4) PP port with the assembly hose (6/Y4).

3-16 EN

3 - ASSEMBLY

17. Install the elbow (1) on the shut-off valve (*5) PP port.

Connect the direction valve (*4) PP port and shut-off valve (*5) PP port with the assembly hose (2/Y4).

SMIL13II00170AC

19

SMIL13II00172AC

20

SMIL13II00186AC

21

18. Install the tee (8) on the direction valve (*4) DR port.

19. Install the tee (8) on the direction valve (*5) DR port.

Connect the direction valve (*4) DR port and shut-off valve (*5) DR port with the assembly hose (2/D11).

3-17 EN

3 - ASSEMBLY

20. Install the elbow (4) on the control valve (*2) dr4 port.

Connect the control valve (*2) dr4 port and direction valve (*4) DR port with the assembly hose (2/D19).

SMIL13II00190BC

22

SMIL13II00194AB

23

21. Install the 2 pressure switches (19) on the reducing valve (20).

3-18 EN

3 - ASSEMBLY

22. Install the elbow (1) on the oil cooler line (*6).

Connect the oil cooler line (*6) and shut-off valve (*5) DR port with the assembly hose (2/D12).

Fasten the assembly hose (2) and multipurpose main line (*7) with the wire band (3).

SMIL13II00198BB

24

3-19 EN

3 - ASSEMBLY

Harness installation CX80C NA

SMIL13II00021FB

1

3-20 EN

3 - ASSEMBLY

SMIL13II00029FB

2

NOTE: (*) The quantity of parts varies depending on the specifications.

1. For 2nd option circuit, connect the wire harness (1) and the reducing valve (*1) as shown in the diagram.

The ID tape (*2) is a red tape and (*3) is a blue tape.

Fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

Fasten the wire harness (1) with the mount clamp (8) and wire band (2).

SMIL13II00055BB

3

3-21 EN

3 - ASSEMBLY

2. When there is no 2nd option circuit, fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

Fasten the wire harness (1) with the mount clamp (8) and wire band (2).

SMIL13II00068BB

4

SMIL13II00069AB

5

SMIL13II00072AB

6

3. For breaker circuit, fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

Fasten the wire harness (1) with the mount clamp (8) and wire band (2).

4. For multi-purpose circuit, connect the wire harness (1) and the solenoid valve (*4) as shown in the diagram.

The ID tape (*2) is a red tape and (*3) is a blue tape.

Fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

Fasten the wire harness (1) with the mount clamp (8) and wire band (2).

3-22 EN

3 - ASSEMBLY

5. For double-acting circuit, connect the wire harness (1) and the solenoid valve (*4) as shown in the diagram.

The ID tape (*2) is a red tape and (*3) is a blue tape.

Fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

Fasten the wire harness (1) with the mount clamp (8) and wire band (2).

SMIL13II00076AB

7

SMIL13II00079AB

8

SMIL13II00103BB

9

6. When there is no 1st option circuit, fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

Fasten the wire harness (1) coupler with the wire band (2).

7. For double-acting circuit and multi-purpose circuit, connect the wire harness (1) and the reducing valve (*1) as shown in the diagram.

The ID tape (*2) is a red tape and (*3) is a blue tape.

Fasten the 2 couplers on the wire harness (1) with 1 clip (7) each and 1 sems bolt (6) each.

3-23 EN

3 - ASSEMBLY

8. Route the wire harness (1) as shown in the diagram.

Fasten the wire harness (1) at 3 locations with 1 wire band (2) each, 1 mount clamp (3) each, and 1 Phillips pan head screw (4) each.

SMIL13II00139BB

10

SMIL13II00189BB

11

9. Extend the wire harness (1) to the floor side from under the cab.

Connect the wire harness (1) connector (16-pin) to the cab main harness (*5).

10. When the kit comes with screw caps (5), install them on the floor.

• See the top diagram

3-24 EN

3 - ASSEMBLY

Control lever installation CX80C NA

Removal of control lever (right) 1. Roll up the boot (*1) of the control lever and use the Phillips screwdriver or box wrench ( 10 mm) to remove the 2 bolts (*2) of the console top cover.

SMIL13II00003AB

1

SMIL13II00023AB

2

SMIL13II00052AB

3

2. Use the Phillips screwdriver to remove the 2 screws (*3), and then remove the handle of the tilt lever (*4).

3. Use the Phillips screwdriver to remove the 2 screws (*5) of the console top cover.

3-25 EN

3 - ASSEMBLY

4. Remove the connectors (*6) and remove the console top cover (*7).

SMIL13II00088AB

4

SMIL13II00090AB

5

SMIL13II00117AB

6

SMIL13II00175AB

7

5. Use a Phillips screwdriver or box wrench ( 10 mm) to remove the 5 bolts (*8) and remove the cover (*9).

6. Roll up the boot (*10) of the control lever, remove the connector (*11) of the lever switch, and cut the wire band (*12).

7. While fastening the nut (*13) with a wrench ( 22 mm), use a wrench ( 19 mm) to remove the lock nut (*14) and remove the control lever (*15).

3-26 EN

3 - ASSEMBLY

Installation of control lever (right) 1. After installing the knob (right) (1), while fastening the nut (*13) with a wrench ( 22 mm), use a wrench ( 19 mm) to install the lock nut (*14).

• Lock nut tightening torque: 38.300 - 44.100 N·m (28.249 - 32.526 lb ft)

SMIL13II00014AB

8

SMIL13II00048AB

9

2. Install the horn switch connector (*11), bundle with the wire band (*12), and then cover the control lever boot (*10).

3. Use a Phillips screwdriver or box wrench ( 10 mm) to install the cover (*9) with 5 bolts (*8).

SMIL13II00090AB

10

SMIL13II00101AB

11

4. Install the connectors (*6) and install the console top cover (*7).

3-27 EN

3 - ASSEMBLY

5. Use the Phillips screwdriver to install the 2 screws (*5) of the console top cover.

SMIL13II00129AB

12

SMIL13II00179AB

13

SMIL13II00182AB

14

6. Use the Phillips screwdriver to install the handle of the tilt lever (*4) with 2 screws (*3).

7. Use the Phillips screwdriver or box wrench ( 10 mm) to install the 2 bolts (*2) for the console top cover and cover the control lever boot (*1).

3-28 EN

3 - ASSEMBLY

Port relief valve installation CX80C NA

1. Remove the plug, and then install the 2 port relief valves (22) on the control valve (*1).

• Tightening torque: 59 - 69 N·m (44 - 51 lb ft) After installing the port relief valves (22), adjust the relief pressure to match the attachment used. (See the Service Manual.)

SMIL13II00011AB

1

3-29 EN

3 - ASSEMBLY

Tank indicator sensor installation (filter clog warning) CX80C NA

When assembling the hydraulic hoses, adjust the hose mouthpiece fitting directions so that the hoses form smooth curves.

SMIL13II00181FB

1

1. Install the tee (1) and pressure sensor (2) on the hydraulic tank (*1), and then connect the main harness (*2).

3-30 EN

3 - ASSEMBLY

Installation of nameplate inside cab CX80C NA

SMIL13II00025GB

1

1. Wipe off any dirt from the location where the label will be attached.

2. Attach the operation label (proportional control) (1) or (2).

3-31 EN

3 - ASSEMBLY

3-32 EN

Index ###_Index_###

B Boom line installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1

C Control lever installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25 H Harness installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 I Installation of nameplate inside cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31 K Kit content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

P Pilot line installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Port relief valve installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 T Tank indicator sensor installation (filter clog warning) . . . . . . . . . . . . . . . . . . . . . . . . . 3-30 U Upper main line installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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EN

SERVICE - Technical Publications & Tools

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All data given in this publication is subject to production variations. Dimensions and weight are approximate only and the illustrations do not necessarily show products in standard condition. For exact information about any particular product, please consult your CNH Dealer.

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