Hyster H135FT Instrucciones de funcionamiento

Hyster H006 (H135FT, H155FT) Forklift Service Repair

Manual

DRIVE AXLE AND

DIFFERENTIAL

ASSEMBLY REPAIR

(WET BRAKE)

H6.0FT, H7.0FT (H135FT, H155FT)

[H006, J006, K006, L006];

H8.0FT, H8.0FT9, H9.0FT

(H170FT, H175FT36, H190FT)

[A299, B299, C299]

PART NO. 1661537 1400 SRM 1344

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 Hyster®

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 in-

structions 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 HYSTER APPROVED parts when making repairs. Replacement parts must meet or ex-

ceed 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 flamma-

ble. 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 back-

ground. The CAUTION symbol and word are on yellow background.

TABLE OF CONTENTS

General .....................................................................................................................................................................1

Identification Plate ............................................................................................................................................. 1

Drive Axle Removal .................................................................................................................................................2

Planetary Reduction Gear Repair ........................................................................................................................ 12

Remove and Disassemble ................................................................................................................................. 12

Clean and Inspect ............................................................................................................................................. 22

Assemble and Install ........................................................................................................................................ 22

Brake Repair ..........................................................................................................................................................30

Remove and Disassemble ................................................................................................................................. 30

Clean and Inspect ............................................................................................................................................. 42

Assemble and Install ........................................................................................................................................ 42

Differential Repair ................................................................................................................................................ 52

Remove .............................................................................................................................................................. 52

Disassemble .......................................................................................................................................................57

Clean and Inspect ............................................................................................................................................. 63

Assemble ............................................................................................................................................................63

Install .................................................................................................................................................................70

Bevel Pinion ...........................................................................................................................................................75

Remove and Disassemble ................................................................................................................................. 75

Clean and Inspect ............................................................................................................................................. 79

Assemble and Install ........................................................................................................................................ 80

Drive Axle Installation ..........................................................................................................................................89

Special Tools ........................................................................................................................................................ 101

Torque Specifications .......................................................................................................................................... 102

This section is for the following models:

H6.0FT, H7.0FT (H135FT, H155FT) [H006, J006, K006, L006];

H8.0FT, H8.0FT9, H9.0FT (H170FT, H175FT36, H190FT) [A299, B299, C299]

Table of Contents

"THE

QUALITY

KEEPERS"

HYSTER

APPROVED

PARTS

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General

This manual covers the repair of the drive axle,

differential, and the wet disc brakes.

IDENTIFICATION PLATE

See Figure 1.

1. DANA PART NUMBER

2. DANA SERIAL NUMBER

3. HYSTER PART NUMBER

4. AXLE OVERALL RATIO

Figure 1. Identification Plate

1400 SRM 1344 General

Drive Axle Removal

WARNING

When putting the lift truck on blocks, make sure

the surface is solid, even, and level. Any blocks

used to support the lift truck must be solid, one-

piece units.

1. Put blocks on each side (front and back) of the

steering tires to prevent movement of the lift

truck.

2. Raise the lift truck and put blocks under the

frame so that the drive wheels do not touch the

floor. Put blocks under the counterweight for

stability.

3. Remove the mast assembly as described in the

section

Mast Repairs, 2- and 3-Stage Masts (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) 4000SRM1250

for lift truck models

• H6.0FT, H7.0FT (H135FT, H155FT)

(H006, J006, K006)

Mast Repair (S/N A513, A514, A613, A614,

A643, A644, A683, A684) 4000SRM1406 for lift

truck models

• H8.0FT, H8.0FT9, H9.0FT (H170FT,

H175FT36, H190FT) (A299, B299)

Mast Repair (S/N A613, A614, A643, A644,

A683, A684) 4000SRM1956for lift truck models

• H6.0FT, H7.0FT (H135FT, H155FT)

(L006)

Mast Repair (S/N A613, A614, A643, A644,

A683, A684) 4000SRM1956 for lift truck models

• H8.0FT, H8.0FT9, H9.0FT (H170FT,

H175FT36, H190FT) (C299)

WARNING

Completely remove air from tires before removing

them from lift truck. Air pressure in tires can

cause tire and rim parts to explode, which can

cause serious injury or death. Never loosen nuts

that hold together inner and outer wheel halves

when there is air pressure in tire.

4. Remove the air from the tires and remove the

wheels.

NOTE: Perform Step 5 through Step 23 for lift

truck models H6.0FT, H7.0FT (H135FT, H155FT)

(H006, J006, K006, L006), .

5. Remove the drive axle main housing center fill/

level plug and O-ring. See Figure 2.

6. Remove the oil fill plugs and O-rings on both

sides of the drive axle. See Figure 2.

7. Remove the oil drain plugs on both sides of the

drive axle. Drain the oil into a suitable con-

tainer. See Figure 2.

8. Remove the drive axle main housing center

drain plug. Drain the oil into a suitable con-

tainer. See Figure 2.

Drive Axle Removal 1400 SRM 1344

1. DRIVE AXLE MAIN HOUSING CENTER DRAIN

PLUG

2. OIL FILL PLUG, RIGHT SIDE

3. O-RING

4. OIL FILL PLUG, LEFT SIDE

5. OIL DRAIN PLUG, LEFT SIDE

6. DRIVE AXLE MAIN HOUSING CENTER FILL/

LEVEL PLUG

7. OIL DRAIN PLUG, RIGHT SIDE

Figure 2. Drive Axle Drain and Fill/Level Plugs for Lift Truck Models H6.0FT, H7.0FT (H135FT, H155FT)

(H006, J006, K006, L006),

1400 SRM 1344 Drive Axle Removal

9. Remove the parking brake cables. Refer to the

section

Brake System 1800SRM1247 for lift truck mod-

els

• H6.0FT, H7.0FT (H135FT, H155FT)

(H006, J006, K006)

Brake System 1800SRM1247 for lift truck mod-

els

• H8.0FT, H8.0FT9, H9.0FT (H170FT,

H175FT36, H190FT) (A299, B299)

Wet Brake System 1800SRM1977 for lift truck

models

• H6.0FT, H7.0FT (H135FT, H155FT)

(L006)

Wet Brake System 1800SRM1977 for lift truck

models

• H8.0FT, H8.0FT9, H9.0FT (H170FT,

H175FT36, H190FT) (C299)

10. Disconnect the brake supply line from the

brake line cross fitting on the drive axle. See

Figure 3.

11. Disconnect the accumulator/brake booster sup-

ply line from the manifold on the drive axle.

See Figure 3.

12. Disconnect the brake booster return line from

the manifold on the drive axle. See Figure 3.

NOTE: Note placement of hose clamps prior to re-

moval of hoses to aid in installation.

13. Disconnect the drive axle to transmission cool-

ing return hose from the manifold on the drive

axle. See Figure 3.

14. Disconnect the transmission to drive axle cool-

ing supply hose from the manifold on the drive

axle. See Figure 3.

Drive Axle Removal 1400 SRM 1344

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