Draper 58157, Инструкция по эксплуатации

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TROUBLE SHOOTING
TROUBLE PROBABLE CAUSE 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 valve
pressure and remove oil filler plug.
OR (2) Pump handle a couple of full
Pump unit feels unsteady Air block
strokes and close the release
under load.
valve.
OR
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 – remove
pressure overfilled or low on the filler plug. Top up oil to
hydraulic oil level correct level.
Pump unit feels unsteady The pump cup seal could Replace the cup seal with a
under load be worn out new one.
Pump unit will not lower Air block Release air by removing filler
completely plug.