wsm M8540NARROW - Disassembling and Assembling; Removing Power Steering Hydraulic Pump

STEERING
M8540Narrow, M9540Narrow, WSM
N7-S4
(Continued)
[Power Steering Pump Delivery]
Condition
• Engine speed
Approx. 2600 min
-1
(rpm)
• Rated pressure
18.1 MPa
85 kgf/cm
2
2631 psi
• Oil temperature
50 to 60 °C
122 to 140 °F
9Y1210236STS0003US0
[2] DISASSEMBLING AND ASSEMBLING
(1) Removing Power Steering Hydraulic Pump
Hydraulic Pump Assembly
1. Place the disassembling stand under the transmission case.
2. Remove the right rear wheel and fender. [ROPS Model]
• Remove the rear wheel R.H.. [CABIN Model]
3. Remove the differential lock rod (2).
4. Disconnect the power steering delivery pipe (1).
5. Disconnect the 3-point hitch delivery pipe (3).
6. Disconnect the suction pipe (5).
7. Remove the hydraulic pump (4).
(When reassembling)
9Y1210236STS0004US0
Hydraulic pump delivery
at no pressure
Factory specification
Above
21.8 L/min
5.76 U.S.gals/min
4.80 Imp.gals/min
Hydraulic pump delivery
at rated pressure
Factory specification
21.4 L/min
5.65 U.S.gals/min
4.71 Imp.gals/min
Allowable limit
18.0 L/min
4.76 U.S.gals/min
3.96 Imp.gals/min
Tightening torque
Rear wheel mounting nut
260 to 304 N·m
26.5 to 31.0 kgf·m
191.8 to 224.2 lbf·ft
3-point hitch delivery pipe
retaining nut
107.9 to 117.7 N·m
11.0 to 12.0 kgf·m
79.6 to 86.8 lbf·ft
(1) Power Steering Delivery Pipe
(2) Differential Lock Rod
(3) 3-point Hitch Delivery Pipe
(4) Hydraulic Pump
(5) Suction Pipe
[A] ROPS Model
[B] CABIN Model
KiSC issued 07, 2013 A