Table Of Contents - Yale A7S1 Service Manual

Table of Contents

Forklift Truck Main Parts......................................................................................................................................... 1

Description of Forklift Truck Main Parts................................................................................................................1

Forklift Main Technical Parameters......................................................................................................................... 2

Main Technical Parameters.................................................................................................................................. 2

Power System......................................................................................................................................................... 5

Engine System......................................................................................................................................................5

Engine Overview................................................................................................................................................5

Fuel System....................................................................................................................................................... 6

Fuel Tank.........................................................................................................................................................7

Fuel Level Sensor............................................................................................................................................8

Maintenance of Fuel System...........................................................................................................................9

Fuel filter service...........................................................................................................................................9

Hydraulic Transmission Case and Torque Converter............................................................................................10

Overview.............................................................................................................................................................10

Torque Converter................................................................................................................................................ 11

Hydraulic Clutch..................................................................................................................................................12

Control Valve, Safety Valve, and Inching Valve.................................................................................................. 13

Transmission Case............................................................................................................................................. 15

Transmission Pump............................................................................................................................................ 15

Transmission hydraulic schematic .....................................................................................................................15

Speed Reducer and Speed Differential.............................................................................................................. 16

Speed Reducer................................................................................................................................................ 16

Speed Differential.............................................................................................................................................17

Towing the Lift Truck...........................................................................................................................................17

Oil Inlet/Outlet Connection Location................................................................................................................... 17

Drive Axle..............................................................................................................................................................18

Overview.............................................................................................................................................................18

Maintenance of Drive Axle..................................................................................................................................19

Steering System....................................................................................................................................................20

Steering System................................................................................................................................................. 20

Overview.......................................................................................................................................................... 20

Hydraulic Steering Gear Assembly................................................................................................................20

Steering Cylinder...........................................................................................................................................21

Inspection of Reassembled Steering System.................................................................................................. 22

Troubleshoot Steering System.........................................................................................................................23

Steering and Drive Axle Information..................................................................................................................... 24

Steering Axle...................................................................................................................................................... 24

Overview.......................................................................................................................................................... 24

Steering Knuckle and Steering King Pin.......................................................................................................... 25

Steering Wheel Bearing Pre-load Information..................................................................................................26

Brake System........................................................................................................................................................26

Overview.............................................................................................................................................................27

Brake Master Cylinder........................................................................................................................................ 27

Wheel Brake....................................................................................................................................................... 27

Automatic Brake Adjuster................................................................................................................................... 31

Manual Brake......................................................................................................................................................32

Adjustment of Brake Pedal................................................................................................................................. 32

Maintenance....................................................................................................................................................... 32

Disassemble, Wheel Brake..............................................................................................................................33

Examination of Wheel Brake............................................................................................................................35

Assemble, Wheel Brake...................................................................................................................................36

Operating Test Automatic Clearance Regulator...............................................................................................38

Table of Contents