Gearbox Oil Contaminated With Water; Gearbox Faults Causes - jcb 214e Service Manual

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Powershift Gearbox

Gearbox Oil Contaminated with Water

Carefully inspect the gearbox oil for signs of water contamination. Contaminated oil will contain water droplets or be visibly

emulsified. Water droplets may be visible on the dipstick or inside the filler tube. For oil analysis purposes, the maximum

permissible water content of the oil is 0.10% .

If the gearbox oil has been contaminated with water, faults or damage to the gearbox may be apparent as a result. Before

remedying, thoroughly investigate and rectify the cause of the water contamination.

Note: The correct gearbox oil is given in Section 3, Service Capacities and Lubricants.

Possible Cause

Water ingress during filling/topping up.

Missing/incorrect dipstick, damaged filler tube.

Machine operated in deep water.

Gearbox casings damaged.

Gearbox oil circuit pipes/hoses damaged.

Gearbox faults caused typically by water contamination and other factors related to the gearbox oil:

Pressurisation of gearbox

casing - Dipstick blows out/oil

leaking from dipstick tube.

Clutch Failure - Friction Lining

Badly worn/noisy bearings.

Transmission

Fault Finding

Possible Cause

Water in oil combined with heat

from torque converter causes

Gearbox over filled with oil.

Water ingress.

Overheating transmission oil.

Water ingress.

Insufficient lubrication.

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Carry out flushing procedure.