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1720B Series Air Impact Wrench Parts List
Item Part Description Part Number Item Part Description Part Number
1 Motor Housing Assembly 1720B-A40 29 Cylinder Dowel 910-98
2 Trigger 834-93A 30 Motor Clamp Washer (2) 2920-207
3 Trigger Pin (2) 534-265 31 Motor Retainer 2920B-800
4 Throttle Valve Plunger 2920B-302
32
Hammer Case Gasket 910-36
5 Throttle Valve Assembly 834-50 33 Hammer Case Assembly 1720B-A727
6
Throttle Valve Face 435-159 34 Hammer Case Bushing 2920-641
7
Throttle Valve Spring 834-51 34A Warning Label WARNING-2-99
8
Air Strainer Screen 434-61 35 Hammer Case Cap Screw (4) 34U-103
9 Air Inlet Bushing 834-565 36 Cap Screw Lock Washer (4) 34U-58
10 Grease Fitting 130SR-188 37 Rear Hammer Frame Washer 910-706
11
Exhaust Silencer 1720B-311 38 Hammer Frame Assembly 2910-A703
12 Exhaust Deector 2910B-23 39 Hammer Pin (2) 2910-704
13
Exhaust Deector Gasket 2910B-223 40 Hammer 260-724
14 Exhaust Deector Screw (4) H54U-667 41 Anvil
15 Reverse Valve 1710B-329 3/4” square drive 260-726
16
Reverse Valve Seal (2) 261-283 1” square drive 1711B-826
17 Reverse Valve Knob 231-666 42 Socket Retainer
18 Reverse Valve Knob Screw 231-665 for 3/4” square drive RR10034S
19
Rear Rotor Bearing Retainer MVA008-218 for 1” square drive RR10015S
20
Rear Rotor Bearing 4E-510 43 Nameplate 1720B-301
21 Rear End Plate 2921HP-12 44 Nameplate Screw (4) C32-302
22
Rear End Plate Gasket 2920B-283 * Dead Handle Bracket 2910B-364
23 Cylinder 2920-3 * Dead Handle 834-48
24
Vane Packet (set of 6 Vanes) 2910-42-6 * Horizontal Hanger 910-366
25 Front End Plate 2921HP-11 * Tune-up Kit (includes illustrated parts 6, 7, 8,
26 End Plate Dowel 2920-74 11, 13, 16 [2], 19, 20, 22, 24, 28 and 32) 1720B-TK2
27 Rotor 2910B-53
28
Front Rotor Bearing 834-24
* Not Illustrated
Included in Tune-up Kit.