Kubota M108S, Workshop Manual

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8-S7
M108S, WSM HYDRAULIC SYSTEM
(3) Three-Point Hitch Control Linkage
Adjusting the Position Rod and Draft Rod
1. Be sure to adjust the position rod length A and draft rod length B.
W1028931
Adjusting the Uppermost Position of Lift Arm
1. Move the position and draft control levers all the way down.
2. Raise the lift arm (1) to the top dead center by hand, and mark
the hydraulic cylinder housing and the lift arm with S1 and S2
respectively.
3. Attach a weight of approx. 490 N (50 kgf, 110 lbf) to the end of
the lower links.
4. Start the engine and set the speed at 1000 min
-1
(rpm).
5. Move the draft control lever all the way up, and measure the
offset which is the distance between S1 and S2.
6. If the offset is not within the factory specifications, remove the
plug (3) and adjust the distance A by adjusting screw (2).
NOTE
■
• When the offset is smaller, loosen the adjusting screw (2),
and when larger, tighten it.
(Reference)
W1029063
Position rod length A
and draft rod length B
Factory spec.
369 mm
14.5 in.
Offset S1 and S2 Factory spec.
3.0 to 4.0 mm
0.12 to 0.15 in.
Distance A Reference value
34.0 to 35.0 mm
1.34 to 1.37 in.
(1) Lift Arm
(2) Adjusting Screw (3) Plug
KiSC issued 06, 2007 A