Kubota WSM BT603, Руководство по ремонту

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5.2.4 Removing 36T bevel gear and front axle shaft .......................................................................5-13
5.2.5 Removing front gear case and bevel gear case .....................................................................5-13
5.2.6 Removing bevel pinion shaft and differential gear assembly.................................................. 5-14
5.2.7 Removing differential gear ......................................................................................................5-14
6. Servicing.................................................................................................................................................5-15
6.1 Checking clearance between differential case and differential side gear........................................ 5-15
6.2 Checking clearance between differential pinion shaft and differential pinion .................................. 5-15
6.3 Checking backlash between differential pinion and differential side gear ....................................... 5-16
6.4 Checking turning torque of bevel pinion shaft .................................................................................5-16
6.5 Checking backlash between bevel pinion shaft and bevel gear...................................................... 5-17
6.6 Checking backlash between 12T bevel gear and 15T bevel gear .................................................. 5-17
6.7 Checking clearance between center pin and pin support bushing.................................................. 5-18
6. STEERING
MECHANISM .....................................................................................................................................................6-1
1. Structure of steering system.....................................................................................................................6-1
2. Hydraulic circuit of steering ......................................................................................................................6-2
3. Steering controller ....................................................................................................................................6-3
3.1 Structure of steering controller ..........................................................................................................6-3
3.1.1 Control valve.............................................................................................................................6-3
3.1.2 Metering device ........................................................................................................................6-3
3.1.3 Relief valve ...............................................................................................................................6-4
4. Steering cylinder.......................................................................................................................................6-5
4.1 Structure of steering cylinder ............................................................................................................6-5
SERVICING .......................................................................................................................................................6-7
1. Troubleshooting for steering .....................................................................................................................6-7
2. Servicing specifications for steering .........................................................................................................6-9
3. Tightening torques for steering ...............................................................................................................6-10
4. Checking and adjusting .......................................................................................................................... 6-11
4.1 Checking relief valve operating pressure ........................................................................................ 6-11
5. Disassembling and assembling .............................................................................................................. 6-11
5.1 Power steering cylinder................................................................................................................... 6-11
5.1.1 Removing adapter and tie-rod ................................................................................................ 6-11
5.1.2 Disassembling steering cylinder .............................................................................................6-12
5.2 Separating power steering controller ..............................................................................................6-12
5.2.1 Removing battery....................................................................................................................6-12
5.2.2 Removing steering wheel .......................................................................................................6-13
5.2.3 Removing upper panel............................................................................................................6-13
5.2.4 Removing steering controller ..................................................................................................6-13
5.3 Separating power steering cylinder.................................................................................................6-14
5.3.1 Removing bonnet....................................................................................................................6-14
5.3.2 Removing front axle assembly................................................................................................6-14
5.3.3 Removing power steering cylinder..........................................................................................6-15
6. Servicing.................................................................................................................................................6-15
6.1 Checking steering cylinder I.D. .......................................................................................................6-15
6.2 Checking clearance between rod and guide ...................................................................................6-15
7. HYDRAULIC SYSTEM
MECHANISM .....................................................................................................................................................7-1
1. Structure of hydraulic system ...................................................................................................................7-1
2. Hydraulic circuit ........................................................................................................................................7-2
3. Hydraulic pump.........................................................................................................................................7-4
3.1 Outline of hydraulic pump .................................................................................................................7-4
3.2 Structure of hydraulic pump ..............................................................................................................7-4
3.3 Specification of hydraulic pump ........................................................................................................7-4
4. Control valve.............................................................................................................................................7-4
4.1 Outline of control valve......................................................................................................................7-4
4.2 Function of control valve ...................................................................................................................7-5
BX23S, LA340, BT603, RCK54D, RCK60D, RCK54, RCK60B
ix
KiSC issued 03, 2017 A