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Trouble shooting – Hayter Mowers T424 User Manual

Page 70

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953910KG141004

1.70

1.70

TROUBLE SHOOTING

PROBLEM

Lack of transmission
drive.

Forward/backward transmission
creep in neutral.

Work/transport modes non-oper-
ational

Lack of steering.

POSSIBLE CAUSE

Parking brake engaged.

Low oil level.

Incorrect oil used.

Defective travel pedal
linkage.

Defective transmission
pump.

Transmission relief valve
open.

Broken drive coupling.

Transmission filter
blocked.

Transmission neutral ad-
justment incorrectly set.

Defective control switch.

Defective solenoid valve.

Defective wiring.

Defective steering valve.

Defective hydraulic
cylinder.

Damaged steering hose.

TROUBLE SHOOTING

Continued.

REMEDY

Release parking brake.

Fill reservoir to
correct level.

Drain reservoir and
refill with correct
oil.

Check linkage and
replace defective
parts.

Have the transmission
pump overhauled by
your Hayter dealer.

Close relief valve,
refer - MAINTENANCE -
TOWING THE MOWER.

Replace drive
coupling.

Replace transmission
filter.

Readjust transmission neutral
setting.

Check switch and replace if neces-
sary.
Service or replace solenoid valve.

Check wiring connections and
repair/replace as necessary.

Service or replace
steering valve.

Service or replace
hydraulic cylinder.

Replace defective hose.