7-S8
MX5100, WSM
STEERING
[2] DISASSEMBLING AND ASSEMBLING
• The hydraulic pump is precision machined and assembled : if disassemble once, it may be unable to
maintain its original performance. Therefore, when the hydraulic pump fails, replacement should be
carried out with the hydraulic pump assemble except when emergency repair is unavoidable.
• When repair is required, follow the disassembly and servicing procedures shown below with utmost care.
• Be sure to test the hydraulic pump with a flowmeter before disassembling.
• After reassembly, be sure to perform break-in operation and ensure that there is nothing abnormal with
the hydraulic pump.
(1) Hydraulic Pump
Removing Hydraulic Hoses and Hydraulic Pipe
1. Remove the joint bolts (3), (4). Remove the delivery pipes (7) (8).
2. Remove the power steering return hose (1), the power steering
controller delivery hose (6) and the suction hose (5).
(When reassembling)
W10286440
Tightening torque
PTO delivery pipe joint bolt
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
25.3 to 28.9 lbf·ft
3-Points delivery pipe joint
bolt
49.0 to 58.8 N·m
5.0 to 6.0 kgf·m
36.2 to 43.4 lbf·ft
(1) Power Steering Controller
(2) Return Hose
(3) Joint Bolt (Power Steering)
(4) Joint Bolt (PTO Clutch)
(5) Suction Hose
(6) Power Steering Controller Delivery
Hose
(7) PTO Clutch Delivery Pipe
(8) 3-Points Delivery Pipe
(9) Hydraulic Pipe
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