Hayter LT324 Operator's Manual page 68

1.68
TROUBLE SHOOTING
PROBLEM
Excessive noise in
hydraulic system.
TROUBLE SHOOTING
Continued.
POSSIBLE CAUSE
Faulty pump.
Faulty motor.
Air leaking into system.
Suction strainer blocked or damaged.
Excessive oil viscosity due to cold con-
ditions.
Low relief valve setting.
Low hydraulic oil level.
REMEDY
Identify noisy pump and ser-
vice or replace.
Identify noisy motor and ser-
vice or replace.
Tighten or replace hydraulic
fittings particularly in suction
lines.
Clean and replace suction
strainer or renew as necessary.
Allow system to warm up.
Have relief valve cleaned and
pressure checked. Consult your
Hayter dealer.
Fill hydraulic oil reservoir to
correct level.
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1.68