General maintenance – Autoquip DOUBLE PANTOGRAPH LIFT User Manual
Page 47
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CYLINDER REPACKING (Reference Figure 6)
CYLINDER REMOVAL AND REPACKING
16.
Insert the piston into the barrel, taking care not to pinch or nick the new seal.
17.
Slip the bearing assembly into place and align the retainer hole with the slot in the
barrel.
18.
Turn the bearing with the Spanner wrench until the retainer is reinserted completely.
19.
Pull up the rod and reinstall the upper clevis pin and setscrew.
20.
Reconnect the cylinder hose.
21.
Check that the lag bolts are secure after checking all pins and other mechanical and
hydraulic components.
22.
Restore the oil level (see oil recommendations in the “Routine Maintenance” section.
23.
Turn on the electrical power and press the “UP” button. It may take a few seconds
to fill the empty cylinders. Raise the lift approximately one inch and remove the
maintenance block.
24.
Lower the lift completely and hold the “DOWN” button for 60 seconds to allow air in
the cylinders to bleed back into the tank.
25.
Raise the lift to 25 – 50% of its full travel, then lower fully holding the “DOWN” button
for an additional 60 seconds. Repeat this step 8 – 10 times.
26. Check the oil level (see oil requirements).
27.
Clean the oil fill breather cap.
PIPE THREAD SEALANT
Loctite PST #567 pipe thread sealant or equivalent is recommended. Do not use
Teflon tape. Tape fragments can cause malfunctioning of the hydraulic system.
GENERAL MAINTENANCE