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Problem
Hydraulic fluid over heating.
Material is not dispensing from
applicator.
Hydraulic fluid leaking around any
directional valves.
Hydraulic fluid leaking around
diverter block.
Applicator not cycling.
(continued on the next page)
3A0238G
Cause
Fan in base cube is not spinning.
Heat exchanger in base cube is
clogged or leaking.
Low hydraulic fluid level in oil reser-
voir.
Cycle rate too fast.
Damaged gear pump.
Damaged coupler between motor
and gear pump.
Material hoses are not connected.
Damaged or worn o-ring.
Damaged or worn o-ring.
No hydraulic pressure.
Leaking fluid from fittings.
Hydraulic hoses are not connected.
Troubleshooting
Solution
Check electrical connections to fan.
Replace fan.
Replace.
Check hydraulic fluid level. Refill as
necessary.
Increase time between shots.
Replace gear pump. See page 31.
Visually inspect coupler and spider
coupling between motor and gear
pump. Replace if necessary.
Check material hoses for damage
or leaking fittings.
Ensure material hoses are con-
nected properly. See Setup on
page 16.
Replace o-ring. Clean o-ring sur-
faces and grooves prior to replace-
ment.
Replace o-ring. Clean o-ring sur-
faces and grooves prior to replace-
ment.
See page 24 for possible causes
and solutions.
Tighten leaking fittings.
Ensure hydraulic hoses are con-
nected properly. See Setup on
page 16.
25
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