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PARTS LIST / LOWER PUMP SECTION
FIGURE 3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
APPLY LOCTITE 271 TO THREADS
:
:
21
:
ITEM Description Qty Part No.
1 Washer 1 90747
2 Female Washer 1 90748
n3 Packing (65873) Leather 5 93714-1
Packing (65873-1) PTFE 5 93714-2
Packing (65873-4) UHMW-PE 5 93714-4
4 Male Washer 1 90749
n5 Bowed Washer 1 90744
-6 Piston Rod 1 90753
7 Tube & Sleeve 1 65871
8 Connector 1 90738
9 Washer 1 90136
n10 Retaining Ring 1 Y147-77
n11 ‘‘U” Cup 1 90757
12 Body 1 90756
13 Sleeve 1 4170
n14 Gasket 1 92845
15 Valve Seat 1 4169
16 Rod 1 90739
17 Primer Tube 1 92485
18 Washer 1 90133
19 Washer 1 90686
20 Stop Nut 1 Y109-428
21 Washer 1 90741
nPARTS INDICA TED ARE INCLUDED IN 637056, 637057 &
637280 SERVICE KITS
PUMP REASSEMBLY
1. Place(21)washer,(5)bowedwasher,(4)male washer,(3)packings
and (2) female washer into (7) tube and sleeve. Slide piston rod
through upperpackings andscrew (8)connector into(6) pistonrod.
2. Screw(16)rodinto (8)connector.Place(15) valveseat,(14)gasket,
and (13) sleeve into (17) primer tube.
3. Place (9) washerover (16) rodand intoposition nextto (7) tubeand
sleeve.
4. Place (12) body, (11) ‘‘U” cup and (10) retaining ring onto (16) rod.
5. Install (1) gasket in throat of air motor base.
6. Thread rod assembly into piston rod of air motor.