Installing The O-Rings On The Piston Rod And Piston - ABB PGC2000 Operation And Service Manual

12. Wipe all surfaces of the piston and piston rod to remove contamination.
13. Verify that the screw holding the piston rod to the piston is tight.
14. Lubricate one o-ring part number 45051-4-11 with Molykote 33.
15. Position O-Ring Tool part number 3122-1 over the piston rod (see Figure 8-50).
PISTON ROD O-RING
Figure 8-50. INSTALLING THE O-RINGS ON THE PISTON ROD AND PISTON
16. Install the o-ring over the O-Ring Tool and into the o-ring groove on the piston rod.
17. Lubricate o-ring part number 45051-4-61 (40-psig valve) or 45051-4-29 (60-psig valve) with
Molykote 33 and install it in the o-ring groove of the piston.
18. Remove the old o-ring from the Valve Body (see Figure 8-51).
Figure 8-51. INSTALLING THE O-RING ON THE VALVE BODY
19. Wipe the inside of the Valve Body to remove contamination and old lubricant.
20. Inspect the piston rod bore to ensure the bore is clean.
21. Lubricate O-Ring part number 45051-4-35 (40-psig valve) or 45051-4-31 (60-psig valve) with
Molykote 33 and install it in the o-ring groove in the Valve Body.
22. Lubricate the piston rod and the inside of the Valve Body (piston housing area) with Molykote 33.
8-80
PISTON
PISTON O-RING
INSTALLATION TOOL
O-RING
PISTON ROD
VALVE BODY
SCREW
LOCKWASHER
2000-OSM, F2