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TOMAHAWK FAULT FINDING CHART – PART 3
Symptom Fault Possible Solutions
Oil leaking from
between slices of the
valve.
Internal pressure in valve. Check return line hose connected and that return
line flow is not restricted by damaged fittings or
the tractor spool valve.
Clamping bolts loose. Check bolts through valve tightened to correct
torque specified in the valve manual.
Separation of slices in valve block as a
result of reverse oil flow (only when
connected to a double acting spool
valve).
Fit return pipe to free flow return on tractor, or fit
check valve on outlet port to prevent
reverse flow.
Interface seals damaged by either of the
above.
Replace damaged seals.
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