Cylinders
CONDITION CAUSE REMEDY
CYLINDER STICKING OR
BINDING
Damaged parts Repair or replace
Dirt or contamination Check oil condition. Check
filters. Clean or replace filter
elements. Change oil if
condition requires it.
Loose parts Tighten cylinder rod eyes, if
loose. Check cylinder heads
and tighten, if loose.
Misalignment Check mounting pins and
bushings. Tighten rod eyes.
ERRATIC ACTION OF
CYLINDERS
Air in system:
Oil level is too low
Add or change
Air leak Locate and correct
Foaming in reservoir Use hydraulic oil containing a
foam depressant
Internal leakage See “Cylinder Leakage” next
page
Main Relief pressure too low
or valve sticking
See section on “Relief Valve”
229REVISED:
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