Parts list
Item no.
Description
Part no.
Qty,
Item no.
Description
Part no.
Qty,
1
Flat head screw (
1
/
4
-28 x 1
3
/
4
)
270635
2
40
Pump shaft
277397
1
2
Counter weight
272197
2
41
Retaining ring
272561
1
3
Retaining ring
270609
2
42
Ball bearing
272556
1
4
Retaining ring
270608
2
43
Shaft seal
272554
2)
1
5
Crank eccentric
270666
1
44
Screws
272557
4
6
Ball bearing
270607
1
45
Lock washer
66051
4
7
Crank rod
270665
1
46
Bearing cover
272549
1
8
Outlet pin
270670
1
47
O-ring
272559
2)
1
9
O-ring (nitrile)
34255
1) 2)
1
48
Retaining ring
272563
1
10
Upper bushing and plunger
275000
1)
1
49
Ball bearing
272555
1
11
Pivot screw
275006
2
50
Retaining ring
272562
1
12
Wrist pin bushing
275005
2
51
Drain plug
244752
1
13
Wrist pin anchor
274992
1
52
Backup washer
249837
2)
2
14
O-ring
275015
2)
1
53
O-ring
249838
2)
2
15
Backup washer
274998
1) 2)
1
54
O-ring
270719
2)
2
16
Cup seal (polyurethane)
274999
1) 2)
1
55
Outlet pin nut
270619
2
17
Steel back-up ring
274997
1) 2)
1
56
Bronze bearing
270674
1
18
O-ring
272791
1) 2)
1
57
O-ring (polyurethane)
249839
2)
1
19
Retainer clip
274996
1) 2)
1
58
Backup washer
270652
2)
1
20
Plunger link rod
See chart 1
59
O-ring
34431
2)
1
21
Spring
277168
2)
1
60
Housing tube
See chart 1
22
Check rod
277167
1
61
Retaining ring
277398
1
23
Ball (
3
/
16
in)
66010
2)
1
62
Shovel plug
270707
1
24
Lower bushing and plunger
275002
1
63
Retaining ring
270705
1
25
Reciprocating tube
See chart 1
64
Screw
50051
3
26
Cup Seal (polyurethane)
270625
2)
1
65
Lock washer
272569
3
27
O-ring (nitrile)
275011
2)
2
66
Motor
278661
1
28
Ball cage
272179
1
67
Screw
272552
4
29
Ball (
3
/
16
in)
66001
2)
1
68
First stage gear set
272543
1
30
Check seat
270664
1
69
Spacer
272547
1
31
Dipstick with o-ring
275369
1
70
Final stage gear set
272663
1
32
O-ring
275015
2)
1
71
Screw
272564
4
33
Self-threading screw (#8 x
1
/
2
)
270633
6
72
Lock washer
272566
4
34
Gasket (screw)
252986
2)
6
73
O-ring seal
272544
1
35
Housing cover
275009
1
74
Nut (
1
/
4
–20)
51304
3
36
Cover gasket (nitrile)
270630
2)
1
75
Shaft, adapter
272546
1
37
Pump housing
278230
1
76
Gear box housing
272541
1
38
O-ring
272567
2)
1
77
Safety unloader
272722
1
39
Woodruff key
272560
1
1)
Included in 275186 upper bushing and plunger kit.
2)
Included in 277723 repair kit.
Non-common repair parts
Model 85736
Model 85737
Model 85738
Model 85739
Model 89740
20
Plunger link rod
277381
277382
277383
277384
277975
25
Reciprocating tube
277732
277733
277734
277735
277979
60
Housing tube
277736
277737
277738
277739
277981
17