HONDA FL5540K1 - Manual (Page 44)

TROUBLE SHOOTING
FOAMING OF OIL IN SYSTEM LOAD DROPS WITH CONTROL VALVE IN
Low oil level
-
Fill reservoir. Look for leaks.
Water in oil
-
Drain and replace oil.
Wrong kind of oil being used
-
See
specifications on proper oil.
Oil leaking past cylinder packing or
-
Replace
Tighten or replace suction line.
caused by contamination, clean hydraulic
system and determine source
of dirt.
Kink in oil suction line
-
Replace oil line.
Oil leaking past control valve
-
Clean or
replace valve. Wear may be caused by
Clean system and
contamination. source of dirt.
NEUTRAL POSITION
Leaking or broken oil lines from control
valves to cylinder
-
Check for leaks.
PUMP MAKES NOISE
CONTROL VALVE STICKS OR WORKS HARD
-
Fill Check
for leaks. Replace valve.
Oil viscosity too high
-
See specifications
on proper oil.
Cold oil
-
Allow oil to warm up by operating
controls slowly under light load. Worn or damaged rings
-
Replace
rings. If contamination has caused rings
replace line between reservoir and pump.
Broken valve parts
-
Replace parts or
Reservoir air vent plugged
-
Remove vent
plug, flush, and clean air vent.
Air in oil
-
Tighten or replace suction line.
Check system for leaks. Check pump shaft CYLINDER LEAKS OIL
seal.
cylinder. Correct cause of damage.
-
Replace pump.
CONTROL VALVE LEAKS OIL
Pinched
Damaged cylinder bowl
-
Replace
Rod seal leaking
-
Replace seal. I f
contamination caused seal to wear. look for
source. Wear may be caused by external as
well as internal contaminants. Check piston
Loose parts -Tighten parts.
Piston rod damaged
-
Check rod for nicks
or scratches that could cause seal damage or
allow oil leakage. Replace defective cylinder.
PUMP LEAKS OIL
pump shaft
-
rod scratches or
Replace seal.
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