Servicing; Lift Arm Support And Hydraulic Cylinder; Disassembling And Assembling - wsm L503 Workshop Manual

L3130 · L3430 · L3830 · L4630 · L5030, WSM

(3) Servicing

[4] LIFT ARM SUPPORT AND HYDRAULIC CYLINDER

(1) Disassembling and Assembling

Operating Pressure of Cylinder Safety Valve
1. Attach the cylinder safety valve to a injection nozzle tester with a
safety valve setting adaptor.
2. Measure the operating pressure of the cylinder safety valve.
3. If the operating pressure is not within the factory specifications,
adjust by turning the adjusting screw (1).
4. After adjustment, tighten the lock nut (2) firmly.
NOTE
• Use specified transmission fluid (see page G-7, 8) to test the
operating pressure of the cylinder safety valve.
Cylinder safety valve
Factory spec.
operating pressure
Cylinder safety valve lock
Tightening torque
nut
(1) Adjusting Screw
(2) Lock Nut
(3) Spring
Top Link, Lift Rod and PTO Cover
1. Remove the top link (1) and PTO cover (3).
2. Disconnect the lift rods (2), (4) from lift arm.
(When reassembling)
Lift arm pin mounting nut
Tightening torque
Lift arm pin lock nut
(1) Top Link
(2) Lift Rod RH
8-S18
HYDRAULIC SYSTEM
19.6 to 22.6 MPa
2
200 to 230 kgf/cm
2845 to 3271 psi
58.8 to 78.5 N·m
6.0 to 8.0 kgf·m
43.4 to 57.9 ft-lbs
(4) Seat
(5) Ball
(6) Housing
W10205610
77.5 to 90.2 N·m
7.9 to 9.2 kgf·m
57.1 to 66.5 ft-lbs
62.8 to 72.6 N·m
6.4 to 7.4 kgf·m
46.3 to 53.5 ft-lbs
(3) PTO Cover
(4) Lift Rod LH
W1018168
KiSC issued 02, 2007 A