BIL SK1400 Handmatig - Pagina 6
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Fault finding
SYMPTOMS
Unit lifts when pumped
but lowers when the
handle returns to the
rest position.
Unit will only lift a few
inches.
Handle pumps but will
not raise.
Oil leakage.
Load slipping on toe
plate.
STOrAgE PrOCEDUrE
Keep Skoots in an upright position at all times including during
transportation and storage to avoid airlocks in the hydraulic jacks.
If an airlock is present then refer to first symptom above.
Website:
Www.liftingequpmentuk.com
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CAUSE
Airlock.
Lack of oil.
Pressure relief valve
actuated.
Pumping handle too
quickly.
Worn or damaged
seals.
Worn or damaged
rubber mats.
Load incorrectly
secured. Tied with
loose straps.
Frames not
supported against
the side of the load.
rEMEDY
Untighten the jack filler plug. Release the valve wheel
one quarter turn and pump handle 20 to 30 times.
Close the jack filler plug.
Stand jack vertically, fully retract ram and remove
filler plug using an 8mm allen key. Remove dipstick,
wipe clean, reinsert into oil and check oil level. Top
up with Varpress 68VG oil so fluid level is between
notched markers on the dip stick plug. Refit and tighten
down filler plug using the correct 8mm allen key.
Check load is within SWL and not unevenly
distributed. Reduce the load to within the marked
SWL as necessary. Consider upgrading to a higher
rated model if required.
Pump handle with slow, steady strokes.
Jack should be serviced or replaced with a new
exchange unit.
Replace rubber mats. Use recommended 3M
ScotchWeld 80 spray on prepared surfaces.
Check straps are correctly fitted and are under
tension without crushing the load. Ensure load is also
seated into the heel of the toe plate.
Ensure that the Skoot frames are presented to
a flush, vertical face on the load which extends
vertically through the full height of the Skoots frame.