Welch Vacuum 8925 Direct Drive Rotary Vane Pump User Manual
Page 34
34
10.34 Exploded Views and Parts List for 8920A
ITEM QTY
P/N
A*
B* DESCRIPTION
ITEM QTY
P/N
A*
B* DESCRIPTION
1
2
62-1014
SCREW FLAT HD #8-32x3/8
44
2
41-3390
LIP SEAL 3/4”
2
1
61-2370
WINDOW HOLDER
45
1
61-9526
O-RING, FLUOROELAST. #151
3
1
61-2229A
WINDOW GLASS
46
1
61-9597D
INTAKE STAGE
4
1
66-0304
O-RING, FLUOROELAST. #127
47
3
61-9560A
BYPASS VALVE
5
1
66-0212
O-RING, FLUOROELAST. #119
48
2
61-9582A
BYPASS VALVE SPRING
6
1
61-6020
OIL FILL PLUG
49
1
61-9516A
INTAKE VALVE COVER
7
1
61-5358
OIL CASE
50
2
2-69-6108
LOCK WASHER #8
8
1
61-2130A
O-RING, FLUOROELAST. #115
51
3
2-00-6814
SCREW SOCKET HD #10-32x7/8
9
1
61-2372
DRAIN PLUG
52
1
61-9640A
VALVE COVER ASSEMBLY
10
4
2-01-6116
SCREW SOCKET HD 1/4-20x1
53
1
61-9609B
GASKET
11
11
2-01-6114
SCREW SOCKET HD 1/4-20x7/8
54
1
61-6305A
SPRING, GAS BALLAST
12
11
2-63-0193
LOCK WASHER 1/4
56
1
61-5347
MOUNTING PLATE
13
3
2-62-0793
LOCK WASHER #10
57
1
61-2157A
O-RING, FLUOROELAST. #007
14
1
61-9793
ISOLATOR DISK
58
1
61-9282A
O-RING, FLUOROELAST. #011
15
1
61-6279
PLUNGER
59
1
61-6324
GAS BALLAST VALVE ASSEMBLY
16
1
41-0643
GASKET
60
1
61-5348
INTAKE ADAPTER ASSEMBLY
18
1
61-9539B
END PLATE
62
1
66-0200
O-RING, FLUOROELAST. #216
21
1
61-8104A
SHAFT SEAL HOUSING
64
4
62-1071
LOCK WASHER 1/4 SMALL
22
1
61-9935
ISO OPERATOR ASSEMBLY
65
2
41-3072
FLANGE COUPLING
23
5
2-00-2604
SCREW FILLISTER HD #8-32x1/4
66
4
2-01-6516
SCREW SOCKET HD 3/8-16x1
24
1
62-0274
ORIFICE .014”
67
1
61-5246
MOTOR ADAPTER PLATE
25
1
41-3175
GASKET, NYLON
68
1
61-6011
HANDLE
26
5
41-2996
VANE, SPRING
69
6
2-01-6316
SCREW SOCKET HD 5/16-18x1
30
1
61-9527
O-RING, FLUOROELAST. #137
70
10
41-2363
WASHER
31
1
61-9598D
EXHAUST STAGE
71
4
2-01-6320
SCREW SOCKET HD -18x1-1/4
33
1
61-2118A
VALVE, GAS BALLAST
72
1
41-3073
COUPLING SLEEVE
34
1
61-9561A
EXHAUST VALVE SPRING
73
1
41-2637
MOTOR SHAFT KEY (SUPPL. w/MOTOR)
35
1
61-9580A
EXHAUST VALVE COVER
74
1
61-5359
MOTOR ASSEMBLY 3/4 H.P.*
36
2
61-9478
STAND OFF SPACER
75
1
61-5245
BASE
38
2
61-9615A
EXHAUST VANE
76
1
61-9742
DRIP PAD
40
1
61-9595C
ROTOR
77
4
61-9607A
RUBBER BUMPER
41
2
61-9616B
INTAKE VANE
78
1
41-3005
O-RING, FLUOROELAST. #008
42
1
41-0624
WOODRUFF KEY
79
2
2-68-5632
WASHER #8
43
6
61-9280A
DOWEL PIN, 1/4”
80
4
2-63-0593
LOCK WASHER 3/8
67-0912
Rev. 14 01/06
B* : MINOR REPAIR KIT CAT# 8915K-05
A* : MAJOR REPAIR KIT CAT# N/A
PARTS LIST FOR MODEL 8920A