Parts list for 8920a – Chemglass AF-0349 Welch Vacuum Pump User Manual
Page 34
34
ITEM
QTY P/N
A* B* DESCRIPTION
0 1
2
62-1014
Screw, Flathead, #8-32x3/8
0 2
1
61-2370
Window Holder
0 3
1
61-2229A
Window Glass
0 4
1
66-0304
O-Ring, Fluoroelast. #127
0 5
1
66-0212
O-Ring, Fluoroelast. #119
0 6
1
61-6020
Oil Fill Plug
0 7
1
61-9367D
Oil Case
0 8
1
61-2130A
O-Ring, Fluoroelast. #115
0 9
1
61-2372
Filler Plug
1 0
4
2-01-6116
Screw, Sockethead, 1/4-20x1
1 1
7
2-01-6114
Screw, Sockethead, 1/4-20x7/8
1 2
1 1
2-63-0193
Lock Washer 1/4
1 3
3
2-62-0793
Lock Washer #10
1 4
1
61-9793
Isolator Disk
1 5
1
61-9450A
Plunger
1 6
1
41-0643
Gasket
1 7
1
62-0211
O-Ring, Fluoroelast. #023
1 8
1
61-9539B
End Plate
1 9
1
61-9795
Adapter, Isolator Disc
2 0
2
2-00-6410
Screw, Sockethead, #6-32x5/8
2 1
1
61-8104A
Shaft Seal Housing
2 2
1
61-9935
ISO Operator Assembly
2 3
5
2-00-2604
Screw, Fillisterhead, #8-32x1/4
2 4
1
62-0274
Orifice .014”
2 5
1
41-3175
Gasket, Nylon
2 6
5
41-2996
Vane, Spring
3 0
1
61-9527
O-Ring, Fluoroelast. #137
3 1
1
61-9598D
Exhaust Stage
3 3
1
61-2118A
Valve, Gas Ballast
3 4
1
61-9561A
Exhaust Valve Spring
3 5
1
61-9580A
Exhaust Valve Cover
3 6
2
61-9478
Stand Off Spacer
3 8
2
61-9615A
Exhaust Vane
4 0
1
61-9595C
Rotor
4 1
2
61-9616B
Intake Vane
4 2
1
41-0624
Woodruff Key
4 3
6
61-9280A
Dowel Pin, 1/4”
4 4
2
41-3390
Lip Seal, 3/4”
ITEM
QTY P/N
A* B* DESCRIPTION
4 5
1
61-9526
O-Ring, Fluoroelast. #151
4 6
1
61-9597D
Intake Stage
4 7
3
61-9560A
Bypass Valve
4 8
2
61-9582A
Bypass Valve Spring
4 9
1
61-9516A
Intake Valve Cover
5 0
4
2-69-6108
Lock Washer #8
5 1
3
2-00-6814
Screw, Sockethead, #10-32x7/8
5 2
1
61-9640A
Valve Cover Assembly
5 3
1
61-9609B
Gasket
5 4
1
61-2204A
Spring, Gas Ballast
5 6
1
61-5257
Mounting Plate
5 7
1
61-2157A
O-Ring, Fluoroelast. #007
5 8
1
61-9282A
O-Ring, Fluoroelast. #011
5 9
1
61-6324
Gas Ballast Valve Assembly
6 0
1
61-9943
Intake Adapter Assembly
6 2
1
66-0200
O-Ring, Fluoroelast. #216
6 3
4
2-01-6114
Screw, Sockethead, 1/4-20x7/8
6 4
4
62-1071
Lock Washer 1/4 Small
6 5
2
41-3072
Flange Coupling
6 6
4
2-01-6516
Screw, Sockethead, 3/8-16x1
6 7
1
61-9746
Motor Adapter Plate
6 8
1
61-6011
Handle
6 9
6
2-01-6316
Screw, Sockethead, 5/16-18x1
7 0
1 0
41-2363
Washer
7 1
4
2-01-6320
Screw, Sockethead, 5/16-18x1-1/4
7 2
1
41-3073
Coupling Sleeve
7 3
1
41-2637
Motor Shaft Key (Suppl. w/Motor)
7 4
1
61-5258
Motor Assembly 1/2 H.P.*
7 5
1
61-5259
Base
7 6
1
61-9742
Drip Pad
7 7
4
61-9607A
Rubber Bumper
7 8
1
41-3005
O-Ring, Fluoroelast. #008
7 9
2
2-68-5632
Washer #8
8 0
4
2-63-0593
Lock Washer 3/8
8 1
1
41-2753
Cord Set
8 2
1
41-3470
Cord Strain Relief
8 3
1
62-0241
Lock Nut 1/2 NPT
* Includes items Pc.No. 81 & 82
67-0912
Sheet 1 of 2
Rev.11 6/04
PARTS LIST FOR 8920A