Kubota M5040 Workshop Manual page 408

M5040, M6040, M7040, WSM
Adjusting Uppermost Position of Lift Arm
1. Move the position and draft control levers all the way down.
2. Start the engine and set the engine speed at maximum speed.
3. Operate the position control lever to the uppermost position.
4. Measure the distance (L1) between cylinder body end and
cylinder rod end.
5. Raise the lift arm (3) to the top dead center by hand.
6. Measure the distance (L2) and calculate the cylinder free play.
7. If the cylinder free play is not within the factory specifications
adjust the position feedback rod (2).
Cylinder free play
Factory spec.
(L2 − L1)
(1) Hydraulic Cylinder
(2) Position Feedback Rod
(3) Lift Arm
(4) Turnbuckle
Adjusting Draft Control
1. Attach a weight of approx. 490 N (50 kgf, 110 lbf) to the end of
the lower links.
2. Start the engine and set the engine speed at 1000 min
3. Move the position control lever (1) and draft control lever (2) all
the way down.
4. Move the draft control lever (2) to uppermost position then
lengthen the draft feedback rod (3) and check the point where the
lift arms begin to rise.
5. When the lift arms begin to rise, turn the turnbuckle (4) 1 turn to
shorten the draft feedback rod (3).
6. Move the position control lever (1) and draft control lever (2) to
uppermost position to make sure the relief does not operate.
7. If the relief valve operate, adjust the draft feedback rod (3).
8. Tighten the lock nuts securely.
(1) Position Control lever
(2) Draft Control Lever
8-S10
HYDRAULIC SYSTEM
5 to 8 mm
0.197 to 0.315 in.
L1 :Distance
L2 :Distance
W1014511
-1
(3) Draft Feedback Rod
(4) Turnbuckle
W1015078
KiSC issued 06, 2008 A
(rpm).