Autoquip FREIGHTLIFT FLH - Manual (Page 85)

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14. Check the piston head nut for tightness and torque to 600-650 ft. lbs on 3 ½” bore
cylinders or 850-950 ft. lbs. on 4” bore cylinders. The thread or cotter pin hole
may be used to prevent the rotation of the rod while tightening.
15. Liberally lubricate the piston and seal with CLEAN grease or oil.
16. Reinsert 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 cylinder by reversing steps 4 - 6.
20. Reconnect the cylinder hose to the power unit.
21. Check the security of all the 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 12 inches.
24. Follow the steps given in “Bleeding Air From the System” – this section.
26. Check the oil level (see “Oil Requirements” section).
27. Clean the oil fill breather cap.
ADJUSTING LEVEL LIMIT SWITCH (Gates with Solenoid Interlocks)
To ensure proper setting and performance of the Level Limit Switch, follow the
procedure set forth in Paragraph J of the “Installation” section.
NOTE:
Should you have any questions or need assistance please call Autoquip
Customer Service (888-811-9876).
GENERAL MAINTENANCE