jcb 1CX, Service Manual

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11 - 0A
Section E Hydraulics
9803/8550
Section E
11 - 0A
Issue 1
Pumps
Hydrostatic Transmission Problem Solving (cont’d)
KEY TO CAUSE REMEDY PAGE REF.
10 No hydraulic feed from joystick to pump Check for feed from joystick to pump. E12-16
11 Motor seal leakage Check motor case drain for confirmation of seal leakage E12-15
(compare one motor with the other). Check for shaft seal
leakage by checking chain case oil level.
12 Joystick inoperative Check joystick (plunger movement, leaking seals, etc.)
13 Chain tension Check chain tension. 3/9-2 & F1-5
14 Motor failure Inspect motor for damage. Repair as required. E13-3, E13-5 & E13-8
15 Chain/sprocket damage Inspect chain and sprocket. Repair as required. Sect F
16 Pump/engine drive coupling failure Check coupling. E11-2
17 Oil temperature switch faulty Replace switch.
18 Restriction in oil cooler Carry out flow check. Check for damage to hoses and pipework.
Replace oil cooler.
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