Remove seal retainer (15) and preformed packing (16) from stuffing box (4). Discard retainer and preformed
Remove two setscrews (17) and, using an arbor press, remove two bushings (18) from plunger (5) and cylinder
Remove two air release valves (19).
Check interior of cylinder for grooves, scratches, corrosion, cracks, or unusual wear. Using an adjustable cylinder hone,
hone if necessary to restore interior finish. Use crocus cloth to clean all machined surfaces of stuffing box.
Repair hydraulic cylinder assembly using hydraulic cylinder repair kit to replace parts discarded during disassembly.
Replace other unserviceable parts as required.