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CHECK OIL LEVEL
1. Turn release valve counter clockwise to allow ram to fully retract. It may be necessary to apply
force to the saddle for lowering.
2. Remove the inspection plate.
3. With the jack in the level position, remove the oil fill plug. Stand jack in vertical position with
handle socket down. The oil should be level with the bottom of fill hole. If not, top off. Do not
overfill. Always fill with new, clean hydraulic jack oil.
4. Replace fill plug and inspection plate.
5. Check jack operation.
6. Purge air from system as required.
SYSTEM AIR PURGE:
1. Turn release valve counter clockwise one full turn to open.
2. Pump handle eight full strokes.
3. Turn release valve clockwise to close valve.
4. Pump handle until the lift arm reaches maximum height and continue to pump several times to
remove trapped air in the ram.
5. Carefully and slowly pinch oil fill plug to release trapped air.
6. Turn release valve counter clockwise one full turn and lower lift arm to the lowest position. Use
force if necessary.
7. Turn release valve clockwise to closed position and check for proper pump action. It may be
necessary to perform the above more than once to assume air is evacuated totally.
TROUBLE SHOOTING
PROBLEM
Jack will not lift to full height
Jack will not hold load
Lift arm will not lower
Jack feels spongy when lifting
Remove the retaining clip before use:
Press the yoke down and remove the retaining clip.
BGS technic KG
Bandwirkerstr. 3
D-42929 Wermelskirchen
POSSIBLE CAUSE
Low oil level
Release valve not closing
Hydraulic jack oil contaminated
Pump valves not sealing
Cylinder ram binding
Cylinder ram binding Parts worn
Internal damage
Broken return spring or
unhooked
Lift arm linkage bent or binding
See Air Purge section
Tel.: 02196 720480
Fax.: 02196 7204820
mail@bgs-technic.de
ACTION
Check oil level
Call customer service
Call customer service
See Air Purge procedure
Press the yoke down
Retaining
Clip
Remove
retaining clip
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