GC/GLC080VX & 080VX-BCS, GC/GLC100VX & 100VX-BCS, GC/GLC120VX & SVX & PRS (F818) SERVICE MANUAL CONTENTS SECTION FRAME............................................................................................................................ GM 4.3L V-6 ENGINES................................................................................................... COOLING SYSTEM........................................................................................................ LPG FUEL SYSTEM GM 4.3L ENGINE WITH PSI........................................................ GASOLINE FUEL SYSTEM............................................................................................ 1 AND 2 SP PS TRANSMISSION REPAIR.................................................................... DRIVE AXLE AND DIFFERENTIAL ASSEMBLY REPAIR............................................ DRIVE AXLE AND DIFFERENTIAL ASSEMBLY REPAIR............................................ STEERING AXLE............................................................................................................ WET BRAKES - NMHG.................................................................................................. HYDRAULIC GEAR PUMP............................................................................................. HYDRAULIC CLEANLINESS PROCEDURES............................................................... MAIN CONTROL VALVE................................................................................................ CYLINDER REPAIR (MAST S/N A551, A555, A559, A661, A662, A663, A66, B507, B508, B509, B551, B555, B559, B562, B563, B564, B661, B662, B663, C515, C551, C555, C559, D507, D508, D509, D515, D562, D563, D564, E509, AND E564).......................................................................................................................... HIGH VOLTAGE SWITCH (HVS) IGNITION.................................................................. WIRE HARNESS REPAIR.............................................................................................. USER INTERFACE......................................................................................................... USER INTERFACE......................................................................................................... ELECTRICAL SYSTEM.................................................................................................. MAST REPAIRS (S/N A513, A514, A613, A614, A702, A703, A704, A705, A706, A707, A751, A752, B513, B514, B586, B587, B588, B589, B590, B591, B749, B750, B751, B752, B753, B754)................................................................................ METRIC AND INCH (SAE) FASTENERS....................................................................... CALIBRATION PROCEDURES...................................................................................... DIAGRAMS AND SCHEMATICS.................................................................................... PERIODIC MAINTENANCE............................................................................................ CAPACITIES AND SPECIFICATIONS........................................................................... DIAGRAMS AND SCHEMATICS.................................................................................... DIAGNOSTIC TROUBLESHOOTING MANUAL............................................................
PART NUMBER
YRM NUMBER
REV DATE
524262274 524265337 524223757 550043871 550048401 550048681 524262278 550055280 524223764 550064329 524223766 550073240 524223767
0100 YRM 1243 0600 YRM 1251 0700 YRM 1123 0900 YRM 1556 0900 YRM 1570 1300 YRM 1569 1400 YRM 1246 1400 YRM 1582 1600 YRM 1133 1800 YRM 1597 1900 YRM 1136 1900 YRM 1620 2000 YRM 1137
05/14 05/14 03/13 04/14 09/13 08/13 12/13 12/13 07/13 12/13 04/14 12/14 04/14
524223768 524208014 524223769 524223770 524223771 524223772
2100 YRM 1139 2200 YRM 1097 2200 YRM 1128 2200 YRM 1130 2200 YRM 1131 2200 YRM 1142
02/14 05/14 12/14 12/14 12/14 04/14
524265342 524150797 524223780 550055283 550064334 550064342 550096331 524221866
4000 YRM 1250 8000 YRM 0231 8000 YRM 1134 8000 YRM 1585 8000 YRM 1598 8000 YRM 1599 8000 YRM 1689 9000 YRM 1112
02/14 10/13 12/14 04/14 04/14 04/14 04/14 12/14
Service information for Cummins diesel engines can be ordered through the Hyster Literature Distribution Center. 9000 YRM 1112 ON CD PART NO. 550064306 (12/14)
SAFETY PRECAUTIONS MAINTENANCE AND REPAIR •
•
• • • • • • • • • • • •
•
The Service Manuals are updated on a regular basis, but may not reflect recent design changes to the product. Updated technical service information may be available from your local authorized Yale® dealer. Service Manuals provide general guidelines for maintenance and service and are intended for use by trained and experienced technicians. Failure to properly maintain equipment or to follow instructions contained in the Service Manual could result in damage to the products, personal injury, property damage or death. When lifting parts or assemblies, make sure all slings, chains, or cables are correctly fastened, and that the load being lifted is balanced. Make sure the crane, cables, and chains have the capacity to support the weight of the load. Do not lift heavy parts by hand, use a lifting mechanism. Wear safety glasses. DISCONNECT THE BATTERY CONNECTOR before doing any maintenance or repair on electric lift trucks. Disconnect the battery ground cable on internal combustion lift trucks. Always use correct blocks to prevent the unit from rolling or falling. See HOW TO PUT THE LIFT TRUCK ON BLOCKS in the Operating Manual or the Periodic Maintenance section. Keep the unit clean and the working area clean and orderly. Use the correct tools for the job. Keep the tools clean and in good condition. Always use YALE APPROVED parts when making repairs. Replacement parts must meet or exceed the specifications of the original equipment manufacturer. Make sure all nuts, bolts, snap rings, and other fastening devices are removed before using force to remove parts. Always fasten a DO NOT OPERATE tag to the controls of the unit when making repairs, or if the unit needs repairs. Be sure to follow the WARNING and CAUTION notes in the instructions. Gasoline, Liquid Petroleum Gas (LPG), Compressed Natural Gas (CNG), and Diesel fuel are flammable. Be sure to follow the necessary safety precautions when handling these fuels and when working on these fuel systems. Batteries generate flammable gas when they are being charged. Keep fire and sparks away from the area. Make sure the area is well ventilated. NOTE: The following symbols and words indicate safety information in this manual:
WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury and property damage. On the lift truck, the WARNING symbol and word are on orange background. The CAUTION symbol and word are on yellow background.
Table of Contents
TABLE OF CONTENTS General ..................................................................................................................................................................... 1 Hydraulic Gear Pump Assembly ...................................................................................................................... 1 Variable Displacement Pump Assembly .......................................................................................................... 2 Single Gear Pump Assembly Repair ........................................................................................................................ 4 Remove ................................................................................................................................................................ 4 Disassemble ....................................................................................................................................................... 12 Clean .................................................................................................................................................................. 14 Inspect ................................................................................................................................................................ 14 Assemble ............................................................................................................................................................14 Install .................................................................................................................................................................. 14 Tandem Gear Pump Assembly ...............................................................................................................................20 Remove .............................................................................................................................................................. 20 Disassemble ....................................................................................................................................................... 22 Clean .................................................................................................................................................................. 24 Inspect ................................................................................................................................................................ 24 Assemble ............................................................................................................................................................24 Install .................................................................................................................................................................. 25 Gear Pump Specifications ...................................................................................................................................... 26 Variable Displacement Pump Repair ......................................................................................................................31 Remove .............................................................................................................................................................. 31 Disassemble ....................................................................................................................................................... 41 Clean .................................................................................................................................................................. 45 Inspect ................................................................................................................................................................ 45 Assemble ............................................................................................................................................................46 Install .................................................................................................................................................................. 46 Variable Displacement Pump Checks and Adjustments .........................................................................................51 Margin Pressure Check ...................................................................................................................................... 51 Flow Compensator Adjustment .......................................................................................................................... 52 Pressure Compensator Adjustment ....................................................................................................................52 Variable Displacement Pump Specifications .......................................................................................................... 54 Torque Specifications ............................................................................................................................................. 55 Hydraulic Gear Pump ......................................................................................................................................... 55 Variable Displacement Pump ............................................................................................................................. 56
Š2014 Yale Materials Handling Corp.
i
Table of Contents
This section is for the following models: (GC/GLC030VX, GC/GLC035VX, GC/GLC040SVX) [C809]; GLP/GDP16VX, GLP/GDP18VX, GLP/GDP20SVX (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/GDP040SVX) [C810]; GLC20-35VX (GC/GLC040-070VX, GCGLC055SVX) [A910]; (GLC050LX) [A967]; GLP/GDP20-35VX (GP/GLP/GDP040-070VX) [B875]; GLP/GDP20-25LX (GLP/GDP050LX) [A974]; GLC40, 45, 55VX; GLC55SVX (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/GLC120SVX; GC/GLC120VXPRS) [E818, F818]; GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/GDP080, 090, 100, 110, 120VX) [F813, G813, H813, J813]; GLP/GDP60VX, GLP/GDP70VX (GP/GLP/GDP135VX, GP/GLP/GDP155VX) [C878, D878, E878]; GLC/GDC60VX, GLC/GDC70VX (GC/GLC/GDC135VX, GC/GLC/GDC155VX) [C879, D879, E879, F879]; GLP/GDP80VX, GLP/GDP80VX9, GLP/GDP90VX (GLP/GDP170VX, GLP/ GDP175VX36, GLP/GDP190VX) [A909, B909]
ii
1900 YRM 1136
General
General This section includes a description and the repair procedures for the hydraulic gear pump assembly and for the variable displacement pump (VDP) assembly.
Hydraulic Gear Pump Assembly Lift truck models listed below can be equipped with one of three different gear pumps: 24 cc/rev, 25.7 cc/ rev, or 29.4 cc/rev •
GC/GLC030VX, GC/GLC035VX, GC/ GLC040SVX) (C809)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/ GDP035VX, GP/GLP/GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GC/ GLC055SVX) (A910)
•
GLP/GDP20-35VX (GP/GLP/GDP040-070VX) (B875)
Lift truck models listed below can be equipped with the 24 cc/rev gear pump •
GLC050LX (A967)
•
GLP20-25LX (GLP050LX) (A974)
Lift truck models listed below can be equipped with the 25.7 cc/rev gear pump •
Lift truck models listed below can be equipped with one of two different gear pumps: 41.3 cc/rev, or 51.6 cc/rev •
GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/ GLC120SVX; GC/GLC120VXPRS) (E818, F818)
•
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/ GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
Lift truck model listed below can also be equipped with a 46.5 cc/rev gear pump •
Lift truck models listed below can be equipped with one of two different tandem gear pumps: 63.3 cc/rev or 68.5 cc/rev •
GLC/GDC60VX, GLC/GDC70VX, (GC/GLC/ GDC135VX, GC/GLC/GDC155VX) (C879, D879, E879, F879)
•
GLP/GDP60VX, GLP/GDP70VX (GP/GLP/ GDP135VX, GP/GLP/GDP155VX) (C878, D878, E878)
GDP20-25LX (GDP050LX) (A974)
Lift truck models listed below can be equipped with a 32.5 cc/rev gear pump •
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/ GDP080, 090, 100, 110, 120VX) (H813, J813)
•
GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/ GLC120SVX; GC/GLC120VXPRS) (E818, F818)
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/ GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
Lift truck model listed below is equipped with a tandem gear pump: 63.3 cc/rev •
GLP/GDP80VX, GLP/GDP80VX9, GLP/ GDP90VX (GLP/GDP170VX, GLP/ GDP175VX36, GLP/GDP190VX) (A909, B909).
1
General
1900 YRM 1136
The repair procedures are similar for each type of gear pump. When the repair has been completed, see the Gear Pump Specifications section in this manual.
•
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/ GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
Variable Displacement Pump Assembly
•
Lift truck models listed below can be equipped with one of three different variable displacement pumps: 24 cc/rev, 26 cc/rev, or 28 cc/rev
GLC/GDC60VX, GLC/GDC70VX, (GC/GLC/ GDC135VX, GC/GLC/GDC155VX) (C879, D879, E879, F879)
•
GLP/GDP60VX, GLP/GDP70VX (GP/GLP/ GDP135VX, GP/GLP/GDP155VX) (C878, D878, E878)
•
GLP/GDP80VX, GLP/GDP80VX9, GLP/ GDP90VX (GLP/GDP170VX, GLP/ GDP175VX36, GLP/GDP190VX) (A909, B909).
•
GLP/GDP20-35VX (B875)
Lift truck models listed below can be equipped with one of two different variable displacement pumps: 42 cc/rev or 45 cc/rev •
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (G813, H813)
The repair procedures are similar for each size of VDP. When the repair has been completed, see the section Variable Displacement Pump Specifications. Repair information for other components of the hydraulic system, equipped with either a hydraulic gear pump or variable displacement pump, are found in the following manuals
See Steering Axle 1600YRM1425 for lift truck models •
GLC050LX (A967)
•
GLP/GDP20-25LX (GLP/GDP050LX) (A974)
See Main Control Valve 2000YRM1137 for lift truck models •
GC/GLC030VX, GC/GLC035VX, GC/ GLC040SVX (C809)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (G{/GLP/GDP030VX, GP/GLP/ GDP035VX, GP/GLP/GDP040SVX) (C810)
See Steering Axle 1600YRM1133 for lift truck models
2
•
GC/GLC030VX, GC/GLC035VX, GC/ GLC040SVX (C809)
•
GLC20-35VX (GC/GLC040-070VX, GC/ GLC055SVX) (A910)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/ GDP035VX, GP/GLP/GDP040SVX) (C810)
•
GLP/GDP20-35VX (GP/GLP/GDP040-070VX) (B875)
•
GLC050LX (A967)
•
GLC20-35VX (GC/GLC040-070VX, GC/ GLC055SVX) (A910)
•
GLP/GDP20-25LX (GLP/GDP050LX) (A974)
•
•
GLP/GDP20-35VX (GP/GLP/GDP040-070VX) (B875)
•
GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/ GLC120SVX; GC/GLC120VXPRS) (E818, F818)
GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/ GLC120SVX; GC/GLC120VXPRS) (E818, F818)
1900 YRM 1136 •
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/ GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
•
GLC/GDC60VX, GLC/GDC70VX, (GC/GLC/ GDC135VX, GC/GLC/GDC155VX) (C879, D879, E879, F879)
•
GLP/GDP60VX, GLP/GDP70VX (GP/GLP/ GDP135VX, GP/GLP/GDP155VX) (C878, D878, E878)
•
GLP/GDP80VX, GLP/GDP80VX9, GLP/ GDP90VX (GLP/GDP170VX, GLP/ GDP175VX36, GLP/GDP190VX) (A909, B909).
See Main Control Valve 2000YRM1457 for lift truck models •
GLP/GDP20-35VX (B875)
•
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (G813, H813)
See Mast Repairs (S/N A551, A555, A559, A661, A662, A663, A664, B507, B508, B509, B551, B555, B559, B562, B563, B564, B661, B662, B663, C515, C551, C555, C559, D507, D508, D509, D515, D562, D563, D564, E509, and E564) 4000YRM1148 for lift truck models •
GC/GLC030VX, GC/GLC035VX, GC/ GLC040SVX (C809)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/ GDP035VX, GP/GLP/GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GC/ GLC055SVX) (A910)
General •
GLP/GDP20-35VX (GP/GLP/GDP040-070VX) (B875)
See Mast Repairs (S/N A513, A514, A613, A614, A702, A703, A704, A705, A706, A707, A751, A752, B513, B514, B586, B587, B588, B589, B590, B591, B749, B750, B751, B752, B753, B754) 4000YRM1250 for lift truck models •
GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/ GLC120SVX; GC/GLC120VXPRS) (E818, F818)
•
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/ GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
•
GLC/GDC60VX, GLC/GDC70VX, (GC/GLC/ GDC135VX, GC/GLC/GDC155VX) (C879, D879, E879, F879)
•
GLP/GDP60VX, GLP/GDP70VX (GP/GLP/ GDP135VX, GP/GLP/GDP155VX) (C878, D878, E878)
See Mast Repair (S/N A513, A514, A613, A614, A643, A644, A683, A684) 4000YRM1406 for lift truck models •
GLP/GDP80VX, GLP/GDP80VX9, GLP/ GDP90VX (GLP/GDP170VX, GLP/ GDP175VX36, GLP/GDP190VX) (A909, B909)
See Mast Repair (S/N A698, A699, B551) 4000YRM1431 for lift truck models •
GLC050LX (A967)
•
GLP/GDP20-25LX (GLP/GDP050LX) (A974)
3
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Single Gear Pump Assembly Repair
1900 YRM 1136
Single Gear Pump Assembly Repair REMOVE WARNING PUTTING THE LIFT TRUCK ON BLOCKS The lift truck must be put on blocks for some types of maintenance and repair. The removal of the following assemblies will cause large changes in the center of gravity: mast, drive axle, engine, transmission, and counterweight. When the lift truck is put on blocks, put additional blocks in the following positions to maintain stability: •
Before removing the mast and drive axle, put blocks under the counterweight so the lift truck cannot fall backward.
•
Before removing the counterweight, put blocks under the mast assembly so the lift truck cannot fall forward.
The surface must be solid, even, and level when the lift truck is put on blocks. Make sure any blocks used to support the lift truck are solid, one-piece units. NOTE: Worn or damaged seals are the most common cause of pump damage. The pump bushings, gears, and shafts also wear. They must be checked during disassembly. DO NOT make any repairs to the parts. To prevent more failures, always replace parts that are worn or damaged. If several main parts need replacing, replace the complete group.
4
1. Put the lift truck on blocks. See the Operating Manual or the Periodic Maintenance Manual for your lift truck for the procedures to put the lift truck on blocks. 2. Place a drain pan under the hydraulic tank, remove drain plug at the bottom of hydraulic oil tank, and drain oil from tank. a. Drain pan capacity approximately ter (8 gal) for lift truck models
30
li-
•
GC/GLC030VX, GC/GLC035VX, GC/ GLC040SVX (C809)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/ GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GC/ GLC055SVX) (A910)
•
GLC050LX (A967)
•
GLP/GDP20-35VX GDP040-070VX) (B875)
•
GLP/GDP20-25LX (A974)
(GP/GLP/
(GLP/GDP050LX)
NOTE: For lift trucks equipped with dual hudraulic tanks, place a second drain pan with same capacity under opposite hydraulic tank.
1900 YRM 1136 b. Drain pan capacity approximately ter (11 gal) for lift truck model •
40
li-
GLC40, 45, 55VX; GLC55SVX; (GC/ GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/GLC120SVX; GC/ GLC120VXPRS) (E818, F818)
c. Drain pan capacity approximately ter (13.5 gal) for lift truck model •
Single Gear Pump Assembly Repair
51
li-
GLP/GDP40VX5/VX6; GLP/ GDP45SVX5, GLP/GDP45VX6; GLP/ GDP50-55VX (GP/GLP/GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
NOTE: Perform Step 3 and Step 4 for lift trucks equipped with an iron transmission housing. 3. Put a drain pan under the pump assembly. Disconnect all hydraulic lines connected to the pump assembly. Remove the pump outlet fitting and suction adapter. Put caps on all the hose fittings and hydraulic pump ports. See Figure 1 for lift truck models •
GC/GLC030VX, GC/GLC035VX, GLC040SVX (C809)
GC/
•
GLP/GDP16VX, GLP/GDP18VX, (GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/ GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GLC055SVX) (A910)
•
GLP/GDP20-35VX GDP040-070VX) (B875)
GC/
(GP/GLP/
See Figure 2 for lift truck models •
GLC40, 45, 55VX; GLC55SVX; (GC/ GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/GLC120SVX; GC/ GLC120VXPRS) (E818, F818)
•
GLP/GDP40VX5/VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813)
See Figure 3 for lift truck model •
GLC40, 45, 55VX; GLC55SVX; (GC/ GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/GLC120SVX; GC/ GLC120VXPRS) (F818) equipped with dual hydraulic tanks.
5
Single Gear Pump Assembly Repair
1900 YRM 1136
A. EARLY LIFT TRUCK MODELS
B. NEWER LIFT TRUCK MODELS
1. 2. 3. 4.
5. HYDRAULIC PUMP 6. TRANSMISSION 7. PUMP OUTLET FITTING
SUCTION HOSE HYDRAULIC INLET HOSE SUCTION ADAPTER SOCKET HEAD SCREW (2)
Figure 1. Hydraulic Pump for 1.5 to 3.5 Ton Lift Truck Models Equipped With an Iron Transmission Housing
6
1900 YRM 1136
Single Gear Pump Assembly Repair
A. FOR EARLY MODEL GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/GLC120SVX; GC/GLC120VXPRS) (E818) LIFT TRUCKS ONLY B. FOR NEWER MODEL GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/GLC080, 100VXBCS; GC/GLC120SVX; GC/GLC120VXPRS) (E818, F818) LIFT TRUCKS ONLY AND FOR ALL GLP/GDP40VX5/ VX6; GLP/GDP45SVX5, GLP/GDP45VX6; GLP/GDP50-55VX (GP/GLP/GDP080, 090, 100, 110, 120VX) (F813, G813, H813, J813) LIFT TRUCKS 1. 2. 3. 4.
TRANSMISSION SOCKET HEAD SCREW HYDRAULIC PUMP SUCTION HOSE
5. SUCTION ADAPTER 6. PUMP OUTLET FITTING 7. HYDRAULIC INLET HOSE
Figure 2. Hydraulic Pump for 4 to 5.5 Ton Lift Truck Models
7
Single Gear Pump Assembly Repair
1. 2. 3. 4.
TRANSMISSION SOCKET HEAD SCREW HYDRAULIC PUMP SUCTION HOSE
1900 YRM 1136
5. SUCTION ADAPTER 6. PUMP OUTLET FITTING 7. HYDRAULIC INLET HOSE
Figure 3. Hydraulic Pump for Lift Truck Model GLC40, 45, 55VX; GLC55SVX; (GC/GLC080, 100, 120VX; GC/ GLC080, 100VXBCS; GC/GLC120SVX; GC/GLC120VXPRS) ( F818) with Dual Hydraulic Tanks
8
1900 YRM 1136
Single Gear Pump Assembly Repair
4. Hold the pump assembly to keep it from falling. Remove the two socket head screws and the lockwashers that fasten the pump to the transmission housing. Remove the pump assembly. NOTE: Perform Step 5 through Step 8 for lift trucks equipped with an aluminum transmission housing.
•
6. On lift truck models not equipped with a QuickLok™ hydraulic hose, disconnect all hydraulic lines connected to the pump assembly. Remove pump outlet fitting and suction adapter from hydraulic gear pump. Put caps on all hose fittings and hydraulic gear pump ports. See Figure 4 for lift truck models •
GC/GLC030VX, GC/GLC035VX, GLC040SVX (C809)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/ GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GLC055SVX) (A910)
GC/
GC/
(GP/GLP/
See Figure 5 for lift truck models •
GC/GLC030VX, GC/GLC035VX, GLC040SVX (C809)
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/ GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GLC055SVX) (A910)
•
GLP/GDP20-35VX GDP040-070VX) (B875)
•
GLC050LX (A967)
•
GLP/GDP20-25LX (GLP/GDP050LX) (A974)
5. Put a drain pan under the pump assembly. Cover charge pump with liquid proof covering to prevent damage. NOTE: Lift truck models GLP/GDP20-35VX (GP/GLP/GDP040-070VX) (B875), with a single speed transmission, electronic or manual control valve, and manufactured after January, 2011, may be equipped with an optional Quick-Lok™ hydraulic hose and adapters.
GLP/GDP20-35VX GDP040-070VX) (B875)
GC/
GC/
(GP/GLP/
7. On lift truck models GLP/GDP20-35VX (GP/GLP/ GDP040-070VX) (B875) equipped with a QuickLok™ hydraulic hose and single speed transmission, remove the adapter and hydraulic hose from gear pump assembly. Disconnect all other hydraulic hoses connected to gear pump assembly. Remove pump outlet fitting from hydraulic gear pump. Put caps on all hose fittings and hydraulic gear pump ports. See Figure 5 for lift truck model •
GLP/GDP20-35VX GDP040-070VX) (B875)
(GP/GLP/
See Figure 6 for lift truck models •
GLP/GDP20-35VX GDP040-070VX) (B875)
(GP/GLP/
9
Single Gear Pump Assembly Repair
1900 YRM 1136
8. Hold the pump assembly to keep it from falling. Remove the two flange head capscrews that fasten the pump to the transmission housing. Remove the pump assembly. See Figure 4 for lift truck models •
GC/GLC030VX, GC/GLC035VX, GLC040SVX (C809)
GC/
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/ GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GLC055SVX) (A910)
•
GLP/GDP20-35VX GDP040-070VX) (B875)
GC/
(GP/GLP/
See Figure 5 for lift truck models
10
•
GC/GLC030VX, GC/GLC035VX, GLC040SVX (C809)
GC/
•
GLP/GDP16VX, GLP/GDP18VX, GLP/ GDP20SVX, (GP/GLP/GDP030VX, GP/GLP/GDP035VX, GP/GLP/ GDP040SVX) (C810)
•
GLC20-35VX (GC/GLC040-070VX, GLC055SVX) (A910)
•
GLP/GDP20-35VX GDP040-070VX) (B875)
•
GLC050LX (A967)
•
GLP/GDP20-25LX (GLP/GDP050LX) (A974)
GC/
(GP/GLP/
1. 2. 3. 4. 5. 6. 7.
SUCTION HOSE HYDRAULIC INLET HOSE SUCTION ADAPTER PUMP OUTLET FITTING FLANGE HEAD CAPSCREW (2) HYDRAULIC PUMP TRANSMISSION Figure 4. Hydraulic Pump for 1.5 to 3.5 Ton Lift Truck Models, Equipped With Aluminum Transmission Housing, Prior to January, 2011