General maintenance – Autoquip BASCULE BRIDGE - DOUBLE LEAF User Manual

Page 32

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GENERAL MAINTENANCE






7. Using a face spanner wrench, turn the bearing assembly clockwise until the tip of

the retainer appears in the slot in the outer surface of the cylinder tube.


8. Insert a small blade screwdriver under the tip of the retainer and turn the bearing

assembly counter-clockwise until the retainer is free of the slot. NOTE: The wire
retainer may be a cutting or puncturing hazard.


9. Pull the rod out of the tube slowly to remove the rod and bearing assembly.

NOTE: Use caution to prevent surface damage to the rod. This could result in
seal failure and/or leakage.


10. Inspect the bore of the tube. Hone if necessary to remove any surface

imperfections in the bore. Flush thoroughly after honing to remove chips and grit.


11. Remove the piston lock nut and slide off the piston and bearing assembly. Take

care to protect the rod surface from damage.


12. Install

new

packing

and seals on the piston, rod, and bearing assembly. Inspect all

grooves and seal surfaces for any imperfections and repair or replace as
necessary.


13. Grease all seals and packing liberally and install the bearing assembly and the

piston on the rod and torque the lock nut to 500 ft. lbs.


14. Install the rod into the tube using care not to damage any seals or packing.

15. Align the retainer hole in the bearing assembly groove with the slot in the tube.

16. Insert the retainer hook end in the hole/slot and using a face spanner wrench, turn

the bearing assembly clockwise until the retainer is completely inserted in the
groove/slot in the tube.


17. Install the assembled cylinder into the bridge by carefully driving the clevis pin

through the clevises. Install the pin retaining hairpin clips.


18. Connect the cylinder(s) to the hydraulic hose from the power unit using the

recommended sealant. Do not use Teflon Tape.


19. Check all pins and other mechanical as well as hydraulic components to assure

that the assembly is complete and in good working order.

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