Condec UPS3000, Installation, Operation & Maintenance Manual

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Maintenance & Service 31
4.2.4 ORION Manifold - Vernier Control Disassembly
ORION 2C: Refer to “ORION 2C Valve Assembly Parts List” on page 45 and Figure 4-1 on the following
foldout 11 x 17 sheet.
ORION 3A: Refer to “ORION 3A Valve Assembly Parts List” on page 47 and Figure 4-2 on the second foldout
11 x 17 sheet.
Tools required: A/R solvent (de-natured alcohol)
1-1/4" open end wrench
Screwdriver (flat-blade)
Socket wrench
Isolation valve needle housing socket (PN 68508)
Isolation valve needle housing socket (PN 68509)
1. With the manifold housing mounted in a vise, turn the vernier shaft (14) clockwise until the piston is
bottomed.
2. Loosen and remove the end cap (13) using a 1-1/4" wrench. At certain points during removal the end cap
will appear to lock up. If this occurs, rotate the shaft clockwise until the end cap is free to turn.
3. Remove the O-ring (29) from the end cap.
ORION 3A: Also remove the backup washer (38) from the end cap.
4. Remove the self-sealing screw (36) that acts as the piston key.
5. Extract the piston (15) by partially screwing in the threaded end of the shaft and pulling.
6. Remove the O-ring (32) from the piston groove.
7. To disassemble the end cap/shaft assembly, mount the end cap in the vise.
8. Loosen and remove the locknut (20) using the isolation valve housing socket (PN 68509) and socket
wrench.
9. ORION 2C: Loosen and remove the end bushing (12) using the same socket (PN 68509). Remove the
shaft (14). Remove the mylar bearing washers (41 or 42) from both sides of the shaft flange.
ORION 3A: Loosen and remove the end bushing (12) using the isolation valve housing socket (PN
68508) and socket wrench. Remove the shaft (14). Remove the ball bearings (41) from both sides of the
shaft flange.
10. Use a small pick or screwdriver to remove the O-ring (27) from the inner groove of the end cap (13).
ORION-3A: Also remove backup retainer (39) from inner groove of the end cap (13).
11. Wash all parts in solvent and blow dry with compressed air.
4.2.5 ORION Manifold - Vernier Control Reassembly
ORION 2C: Refer to “ORION 2C Valve Assembly Parts List” on page 45 and Figure 4-1 on the following
foldout 11 x 17 sheet.
ORION 3A: Refer to “ORION 3A Valve Assembly Parts List” on page 47 and Figure 4-2 on the second foldout
11 x 17 sheet.
Tools required: Tube fluorinated Krytox grease (PN 55593)
1-1/4" Wrench
Screwdriver (flat-blade)
Socket wrench
Isolation valve needle housing socket (PN 59793)
Female socket (PN 65581)
1. Coat all new O-rings with fluorinated Krytox grease before installing.
2. Install the small O-ring (27) into the end cap inner groove.
ORION 3A: Also install backup retainer (39) in inner groove of the end cap (13).
3. ORION 2C: Add mylar washers (41 or 42) to each side of shaft (14). Apply a small amount of Krytox
grease to the shaft threads and install the shaft (14) into the end cap (13).
NOTE: Part number and quantity will vary. Washers are used to adjust vertical play in shaft (14). Try one washer (41) on
each side to start.