GOOSENECK HYDRAULIC CYLINDER (CONT)
When grinding off tack welds, avoid grinding into compressor piston except to
remove remaining tack welds. Destructive grinding should be done to lock bar;
then, use grinder to clean/dress area on compressor piston or damage to
equipment will result.
Using a pneumatic grinder, grind off two tack welds from lock bar (5) and compressor piston (6). Remove lockbar
(5) and discard.
Compressed air used for cleaning or drying must not exceed 30 psi (206 kPa).
Wear safety glasses when drying parts with compressed air. Failure to do so
could cause serious injury to eyes. If your eyes are harmed or a foreign object is
blown into your eyes, seek medical attention immediately.
Clean piston rod (3) and attached parts to remove powder or granulated deposits left from grinding.
compressed air to dry all parts.
Unscrew and remove compressor piston (6) and pull piston rod (3) from stuffing box (2).
Remove two setscrews (7) and bushings (8) from rod (3) and cylinder (4).
Remove two preformed packings (9) from threaded end of piston rod (3). Discard preformed packings.
Remove preformed packing (10) and seal retainer (11) from stuffing box (2). Discard preformed packing and seal
Remove capscrew (12) from stuffing box (2) and use an adjustable hook spanner wrench to unscrew packing nut
(13) from inside of stuffing box (2).
Remove four shims (14), seal set (15), and sleeve bushing (16) from stuffing box (2). Discard seals and shims.
Remove retaining ring (17), wiper ring (18), and rod seal (19). Discard rod seal and wiper ring.
Remove nylon plug (20) from packing nut (13). Discard nylon plug.
Remove two seal sets (21) from compression ring (6). Discard seal sets.
Repair gooseneck hydraulic cylinder using hydraulic cylinder repair kit to replace parts discarded during disassembly.
Replace other unserviceable parts as required.