KENT Nordco KF3BM, Owner'S Manual

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Section C – Page #4 NOV/2005
Continued...
Condition Problem Remedy
Hammering is weak... Insufficient oil flow. Adjust control valve to rated
specifications.
Operating pressure is low Check the pump and pressure
relief valve.
Oil is contaminated,
discolored, or cloudy in
appearance Change hydraulic oil, and filters.
Oil level is low Refill to proper levels.
Return line back pressure is
too high Check filter and hose
connections.
Excessive amounts of oil are
leaking out from chuck area.
Oil flows off end of anvil. Replace seal kit if oil
consumption is greater than 1
pint per hour.
Pressure hose shakes or
vibrates excessively... Accumulator pressure is low. Recharge with nitrogen gas to
specifications.
Diaphragm is torn or
damaged. Replace diaphragm, and charge
with nitrogen gas to
specifications.
Shuttle valve is warped or
deformed. Replace valve shuttle.
•
If the cause of the problem still cannot be isolated, contact Nordco Service
(1-800-445-9258) for additional assistance.