Page Number - 3
Form 403295
DISASSEMBLY PROCEDURE
1. Unscrew Body Cap (14963) securing air motor to the
pump body.
2. Lift air motor straight up to move air piston to its
extreme “down” position,
3. Shift airmotor to one side to disengage the air motor
coupling from the pump rod and lift upward to
complete separation.
4. Remove Valve Cap (11470) and Trip Rod Pin (11472).
5. Unscrew four Nuts (51009) from Tie Rods (14960) and
lift Air Valve Casting (236612©) off of Air Cylinder
(61041).
6. Remove Packing Nut (11904) and Packing Cap
(11905) from Air Valve Casting.
7. Remove four Screws (236868) and Cover (236286).
8. Remove four Screws (236869), Toggle Plate (91331)
and Trip Shoe Assembly (11947).
9. Remove four Valve Seat Bolts (236870), Springs
(55138), Valve Guide Plate (45605) and Valve Slide
(11482©), Seat (14919©)and Gasket (38162©).
10. Unscrew Trip Rod Packing Nut (245425©) from Air
Valve Casting and remove all packing parts.
11. Unscrew Tube (61570) from Adapter Casting (40666).
12. Remove Air Cylinder (61041) and Air Passage Tube
(61502) from adapter casting.
13. Place wrenches on Piston Bolt (13300) and on
wrench flats of Piston Rod (14961) and loosen.
14. Remove Piston Bolt, Trip Rod (91964©), Air Piston
Washers (48212), Air Piston Packing (34090) and
Washer (48511) from Piston Rod.
15. Remove Piston Rod through bottom of Adapter
Casting.
16. Unscrew Gland Packing Nut (14090) from Adapter
Casting and remove all gland parts.
17. To reassemble, reverse procedure. Tighten
fasteners per torque specifications provided.
IMPORTANT: To prevent damage to Air Piston Packing and
Pump Gland Packing, and to help increase packing life,
Lube Air Cylinder and Air Piston Rod before assembly.
NOTES:
1. If complete disassembly is required, replace all
Gaskets, 0-rings and Packings. (Order 236464 Repair
Kit.)
2. Before tightening four Valve Seat Screws (236870),
align Slide Plate (11482©), Valve Seat Gasket (38162)
and Air Valve Casting (236612©) by placing a rod or ink
pen through the center port hole.
3. Start all fasteners by hand to avoid stripping threads
when reassembling.
© Indicates Change
©
©
©
33039
To order call 1-800-548-1191 or visit www.partdeal.com - info@partdeal.com
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