8. If piston is worn, it must be removed and replaced with a new part. Remove set screw and nut.
AFTER REMOVEL OF NUT (ITEM 17), CHECK FOR THREAD DAMAGE. IF THERE
IS DAMAGE TO SHAFT OR NUT, REPLACE WITH NEW PARTS.
9. Remove piston from shaft, remove O-ring. Replace O-ring at this time.
10. Replace all O-rings and packing with new parts as identified in Parts Manual parts list, and reassemble
cylinder in reverse order of disassembly procedure, torquing the capscrews to 10 ft. lbs.
NOTE: Torque nut (Item 17) to 400-600 ft. lbs. using Loctite 249.
11. Reinstall cylinder on machine. Refer to Parts Manual for routing of hydraulic lines.
operation to verify that cylinder does not leak.
C. Installation Elevating Cylinder
FEED RAM, POLESETTER ASSEMBLY MUST BE BRACED BEFORE
REMOVAL OF CYLINDER. SUPPORT FEED RAM AND POLESETTER.
1. Inspect the elevating cylinder for any cracks or leaks. Replace damaged cylinder.
2. Connect (Figure 6-24, Items 6 & 7) capscrew, elastic stop nut to mounting on frame of machine. Connect
(Items 3 and 5) capscrew and elastic stop nut to side of frame. Connect (Items 4 and 5) capscrew and
elastic stop nut to feed ram polesetter assembly.
3. Connect hydraulic lines.
4. The removal is reverse of installation.