TROUBLE SHOOTING
TROU BLE PROBA BLE CA U S E REMEDY
Pump unit will not work. Dirt on valve seats/Worn seals. Replace with new seals.
Pump unit will not produce Air block (1) Open the release
pressure
or
valve and remove oil
filler plug.
Pump unit feels unsteady Air block (2) Pump handle a couple
under load.
or
of full strokes and close
the release valve.
Pump unit will not lower Air block (3) Replace filler plug.
completely.
Pump unit will not produce The reservoir could be To check the oil level.
pressure overfilled or low on Remove the filler plug. Top
hydraulic oil level. up oil to correct level.
Pump unit feels unsteady The pump cup seal could Replace the cup seal with
under load. be worn out. a new one.
Pump unit will not lower Air block. Release air by removing
completely filler plug.
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DRAPER TOOLS LIMITED,
Hursley Road, Chandler's Ford, Eastleigh,
Hants. SO53 1YF. U.K.
Helpline: (023) 8049 4344.
Sales Desk: (023) 8049 4333.
General Enquiries: (023) 8026 6355.
Fax: (023) 8026 0784.
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