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2920B Series Air Impact Wrench Parts List
Item Part Description Part Number Item Part Description Part Number
1 Motor Housing Assembly 35 Motor Retainer 2920B-800
for 2920B 2920B-A40 36 Hammer Case Gasket 910-36
for 2920B-EU 2920B-EU-A40 37 Hammer Case Assembly 2920B-A727
2 Trigger 834-93A 38 Hammer Case Bushing 2920-641
3 Trigger Pin (2) 534-265 39 Hammer Case Cap Screw (4) 34U-103
4 Throttle Valve Plunger 2920B-302 40 Cap Screw Lock Washer (4) 34U-58
5 Throttle Valve Assembly 834-50 41 Rear Hammer Frame Washer 910-706
• 6 Throttle Valve Face 435-159 42 Hammer Frame Assembly 2910-A703
7 Throttle Valve Spring 834-51 43 Hammer Pin (2) 2910-704
• 8 Air Strainer Screen 434-61 44 Hammer (2) 2910-724
9 Air Inlet Bushing 834-565 45 Anvil
10 Grease Fitting 130SR-188 3/4” square drive 2910-726
11 Exhaust Bae 2920B-124 1” square drive 2910-826
12 Exhaust Silencer (2) 2920B-311 46 Socket Retainer
13 Exhaust Deector 2910B-23 for 3/4” square drive RR10034S
14 Exhaust Deector Gasket 2910B-223 for 1” square drive RR10015S
15 Exhaust Deector Screw (4) H54U-667 Quick Change Anvil Assembly 2910B-A926-10
16 Oil Chamber Plug R2-227 47 Quick-Change Anvil 2910B-926-10
17 Reverse Valve 1710B-329 48 Retaining Sleeve W54-930-10
• 18 Reverse Valve Seal (2) 261-283 49 Thrust Ring Lock (2) W54-933-10
19 Reverse Valve Knob 231-666 50 Thrust Ring W54-932-10
20 Reverse Valve Knob Screw 231-665 51 Retaining Sleeve Spring W54-931-10
21 Reverse Valve Detent Ball AV1-255 52 Retaining Ball 8U-722
22 Reverse Valve Detent Spring 231-664 53 No. 4 Spline Drive Anvil Assembly 2910-A526
* Housing Label 54 Socket Retaining Ball G601-65
for 2920B WARNING-2-99 55 Retaining Ball Plunger 910-230
for 2920B-EU EU-99 56 Ball Plunger Spring 12SR-262
23 Rear Rotor Bearing Retainer MVA008-218 57 Plunger Retaining Pin 502B-120
24 Rear Rotor Bearing 4E-510 58 Dead Handle Bracket 2910B-364
25 Rear End Plate 2921HP-12 59 Dead Handle 834-48
• 26 Rear End Plate Gasket 2920B-283 60 Horizontal Hanger 910-366
27 Cylinder 2920-3 61 Side Spade Handle T15-41
• 28 Vane Packet (set of 6 Vanes) 2910-42-6 62 Side Spade Handle Stud 534-448
29 Front End Plate 2921HP-11 63 Side Spade Handle Stud Nut 107-73A
30 End Plate Dowel 2920-74 * Nameplate 2920B-301
31 Rotor 2910B-53 * Nameplate Screw (4) C32-302
32 Front Rotor Bearing 834-24 * Tune-up Kit (includes illustrated parts 6,
33 Cylinder Dowel 910-98 7, 8, 12 [2], 14, 18 [2], 21, 22, 23, 24, 26, 2920B-TK2
34 Motor Clamp Washer (2) 2920-207 28, 32 and 36)
* Not Illustrated.
• To keep downtime to a minimum, it is desirable to have on hand certain repair parts. We recommend that you stock one (pair or set) of each
part indicated by a bullet (•) for every four tools in service.