Page 3 of 4
650453-X
PARTS LIST / LOWER PUMP END
2
3
7
13
,
9
6
16
20
,
22
,
23
1
24
25
21
14
MATERIAL CODE
[B]
= Nitrile
[Br] = Brass
[C]
= Carbon Steel
[Co] = Copper
[D]
= Acetal
[GFT] = Glass Filled PTFE
[L]
= Leather
[SS] = Stainless Steel
[T]
= PTFE
[UH] = UHMW-PE
4
8
10
17
19
5
11
12
15
,
18
27
,
¡
LUBRICATION / SEALANTS
.
TORQUE REQUIREMENTS
,
NOTE: DO NOT OVERTIGHTEN COMPONENTS
(13) pump body, (22) suction tube & (26 or 27) foot
valve seat 125 - 150 ft lbs (169.5 - 203.4 Nm).
(15) nut 50 ft lbs (67.8 Nm).
(20) inner check seat 65 - 70 ft lbs (88.1 - 94.9 Nm).
¡
Apply Loctite 242 to threads
at assembly.
.
26
FIGURE 3
28
29
Item Description
(Size in inches)
Qty Part No.
Mtl
1 Piston Rod
(1) 90584
[C]
2 Lock Nut
(1) 90571
[C]
3 Spacer Tube
(1) 90582
[C]
H
4 ‘‘O” Ring
(1/16” x 2” o.d.)
(1) Y325-32
[B]
5 Solvent Cup
(1) 91182
[C]
6 Washer
(1) 77432
[SS]
H
7 Female Packing Washer
(1) 77327
[D]
H
8 ‘‘V” Packing
(650453-5, -11)
(3) 90578-2
[GFT]
(650453-7, -9)
(3) 90578-1
[L]
(650453-8, -10)
(3) 90578-4
[UH]
H
9 ‘‘V” Packing
(650453-5, -7, -11)
(3) 90578-2
[GFT]
(650453-8, -9, -10)
(3) 90578-4
[UH]
H
10 Male Packing Washer
(1) 91349
[D]
H
11 Spring
(1) 90120
[C]
H
12 Washer
(1) 90125
[Co]
13 Pump Body
(1) 90579
[C]
14 Piston Rod
(650453-5, -8)
(1) 90642
[C]
(650453-7, -9, -10, -11)
(1) 76507
[C]
15 Nut
(1/2” - 20)
(1) Y11-108-N
[C]
16 Cup Follower
(1) 75678
[C]
H
17 Cup
(650453-5, -7, -11)
(1) 73919
[T]
(650453-8, -9, -10)
(1) 92867-1
[UH]
18 Washer
(1) 94516
[C]
19 Ball
(1” o.d.)
(1) Y16-232
[C]
20 Inner Check Seat
(1) 75681
[C]
H
21 Washer
(1) 90125
[Co]
22 Suction Tube
(650453-5, -8)
(1) 90641
[C]
(650453-7, -9, -10, -11)
(1) 91116
[C]
H
23 ‘‘O” Ring
(1/8” x 1-7/8” o.d.)
(1) Y325-223
[B]
24 Ball
(1-3/16” o.d.)
(1) Y16-238
[C]
25 Ball Stop Pin
(3/16” o.d. x 1-13/16”)
(1) 90438
[SS]
26 Foot Valve Seat
(650453-5, -8)
(1) 90119
[C]
27 Foot Valve Seat
(650453-7, -9, -10, -11)
(1) 77006
[C]
28 Bung Adapter
(includes item 29)
(1) 60870
[C]
29 Thumb Screw
(1/4” - 20 x 1-1/2”)
(1) Y197-158-C
[C]
H
Service Kit
637177
LOWER PUMP END TO AIR MOTOR SEAL DETAIL
A
E
B
C
E
D
F
G
FIGURE 4
A Wavy Spring Washer
(1) 90251
[C]
H
B Packing
(3) 90567
[L]
H
C Packing
(650453-5, -8, -10, -11)
(1) 90643
[T]
(650453-7, -9)
(1) 90567
[L]
D Spacer
(1) 90570
[C]
E Washer
(2) 90568
[Br]
F Connector Pin
(1) 90572
[C]
H
G Retaining Ring
(1) Y145-2
[C]
