Hayter Mowers T424 User Manual download pdf (Page 73)

953910KG141004

1.73

1.73

TROUBLE SHOOTING

POSSIBLE CAUSE

Cutting cylinder bearing

seized.

Incorrect rotation motor

fitted.

Diverter valve only

partly open.

Motor integral check

valve jammed open.

Cutting cylinder tight

on the bottom blade.

Motor worn.

Lift cylinder seal failure.

Pressure relief valve

jammed open or wrongly

set.

Defective control valve.

Mechanical blockage.

Incorrect hose routing or

incorrect orientation of

hydraulic fittings.

Tightness in pivots.

Mower operated in ‘hold’

position.

Weight transfer set too high.

PROBLEM

REMEDY

One cylinder rotates

slowly.

Cutterhead fails to lift

out of work.

Cutterheads do not follow

ground contours.

Replace as necessary.

Check motor and

replace if necessary.

Free off and lubricate or

replace diverter valve

as necessary.

Have check valve

cleaned and checked.

Readjust setting.

Replace motor.

Replace seals.

Have relief valve

cleaned and pressure

checked. Consult your

Hayter dealer.

Overhaul control

valve.

Remove blockage.

Move cutterheads

throughout extremes

of movement and

observe any tightness

in the hoses. Correctly

route hoses and

orientate fittings as

necessary.

Free off and grease

as necessary.

Move position control

lever to 'float'

position.

Reduce weight transfer.

TROUBLE SHOOTING Continued.

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