User Manual
Greasehead
145-2884-HV0
OPS-2884 Rev E
13
5.5 Redress Procedure
5.5.1 Dis-Assembly
•
Remove the packoff assembly by unscrewing the uppermost Fast
Collar (6)
•
Remove the Top Sub (1) and strip off the Saver Sub assembly
•
Pump up the piston and remove the Interlocking seats (20 & 21)
•
Remove the split Packing (22) and Packing Gland (40)
•
Bleed off the piston pressure and disconnect the pump
•
Remove the Seal Housing (2) and collect the spilled hydraulic fluid
•
Remove the Spring (41)
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Remove the Piston (4)
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Remove all the Saver Sub assemblies from the Return Housing
•
Remove the Flow Tube Housing (7) from the next Connector Sub (5)
•
Strip off the Saver Sub assemblies from the Connector Sub
•
Remove the Flow Tube if fitted
•
Remove the Circlip (43) and remove the Fast Collar (6)
•
Repeat this process until all Housings are removed
•
Remove the Check valve port from the Bottom Sub
•
Remove the Collar
•
Remove the Retaining Ring (24), Ball Cup (25) and Ball (42)
•
Remove the Check Valve Seat (23)
•
Remove all seals from the individual components without damaging the
surface of the sealing groove. Only do this if new seals are being fitted
– otherwise leave the seals as they are and inspect for signs of
damage or wear.
5.5.2 Re-Assembly
Re-assembly is the reverse to dis-assembly
•
Ensure fresh seals are used from a redress kit and verify that the expiry
date has not been exceeded
•
Inspect all seal grooves and bores for signs of scratches. Clean up if
required with fine emery cloth
•
Fit the seals avoiding excessive stretch and lightly coat with grease