Welch 8905 Owner's Manual page 34

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

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