Parts List for 1/2-inch Square Drive Impact Wrench, model JSM-403
Index No. Part No. Description Size Qty
1...............40301 ......................Motor Housing.......................................................................................1
2...............40302 ......................Anvil...................................................................1/2” Square ................1
3...............40303 ......................Anvil Collar and Seal ..........................................13*11*0.9 mm.............1
4...............40304 ......................Trigger...................................................................................................1
5...............40305 ......................O-Ring................................................................6.5*2 mm....................1
6...............40306 ......................Anvil Bushing.........................................................................................1
7...............40307 ......................Hammer Dog.........................................................................................1
8...............40308 ......................Hammer Cage.......................................................................................1
9...............40309 ......................Screw.................................................................M3*8L.........................2
10.............40310 ......................Hammer Pin.......................................................8*52.6L mm................1
11.............40311 ......................Drive Cam.............................................................................................1
12.............40312 ......................Screw.................................................................M8*8L.........................1
13.............40313 ......................Ball Bearing........................................................6001...........................2
14.............40314 ......................Rear End Plate......................................................................................1
15.............40315 ......................Rotor.....................................................................................................1
16.............40316 ......................Rotor Vane............................................................................................6
17.............40317-13 .................Spring Pin...........................................................3*12L mm...................1
18.............40318 ......................Cylinder.................................................................................................1
19.............40319 ......................Front End Plate .....................................................................................1
21.............40321 ......................Rear Cover............................................................................................1
22.............40322 ......................Rear Gasket..........................................................................................1
23.............40323 ......................Exhaust Deflector..................................................................................1
25.............40325 ......................Reverse Valve.......................................................................................1
26.............40326 ......................Valve Seat.............................................................................................1
27.............40327 ......................Valve Stem............................................................................................1
28.............40328 ......................Steel Ball............................................................3/8”.............................1
29.............40329 ......................Spring....................................................................................................1
31.............40331 ......................Hose Adapter ........................................................................................1
32.............40332 ......................Air Regulator .........................................................................................1
33.............40333 ......................O-Ring...................................................................................................1
34.............40329-12 .................Spring....................................................................................................1
35.............40335 ......................Rubber..................................................................................................1
37.............40337 ......................Spring Pin...........................................................3*18L mm...................1
38.............40334A....................Screw.................................................................M5*7L.........................1
39.............40339 ......................Protecting Rubber..................................................................................1
40.............40340 ......................Screw.................................................................M5*5L.........................1
41.............40341 ......................Spring....................................................................................................1
42.............40342 ......................Pin.........................................................................................................1
43.............40343 ......................Screw.................................................................M5*16L.......................4
44.............40344 ......................Spring Washer ...................................................M5..............................4
45.............40345 ......................Spring Pin...........................................................3x16L mm ..................1
