
Index Part No Description Qty Index Part No Description Qty
16..... JSM4540-16.......Rotor Blade..................... 6
17..... JSM4140-17.......Spring Pin (2.5x5)............ 1
18..... JSM4540-18.......Cylinder........................... 1
19..... JSM4540-19.......Front End Plate............... 1
20..... BB-6003Z...........Ball Bearing (6003Z) ....... 1
21..... JSM4540-21A.....Air Regulator................... 1
22..... JSM4540-22A.....O-Ring (45.5x2)............... 1
23..... JSM4140-23A.....Spring............................. 1
24..... SB-9/64..............Steel Ball (9/64")............. 1
25..... JSM4540-25.......Anvil Bushing.................. 1
26..... JSM4340-26.......Oil Cap (7/32") ................ 1
27..... 70117.................Spring Pin (2x5).............. 1
28..... JSM4540-28.......Hammer Case................. 1
29..... JSM4540-29.......Gasket ............................ 1
30..... JSM4540-30.......Gasket ............................ 1
31..... JSM4540-31.......Gasket ............................ 1
32..... JSM4540-32.......Washer........................... 1
33..... JSM4540-33.......Hammer Cage................. 1
34..... JSM4540-34.......Hammer ......................... 2
35..... JSM4540-35.......Hammer Pin.................... 2
36..... JSM4540-36.......Anvil (3/4") ...................... 1
37.....JSM4540-37 .......O-Ring (10x3.5)...............1
38.....JSM4540-38 .......Retaining Ring.................1
39.....JSM4540-39 .......Gasket.............................1
40.....JSM4540-40 .......Screw..............................2
41.....JSM4343-41 .......O-Ring (15.54x2.62)........3
42.....JSM4340-08 .......Valve Spring....................1
43.....JSM4340-09 .......Valve Stem......................1
44.....JSM4340-24 .......Rubber Spacer................1
45.....JSM4140-45 .......Spring Pin (2.5x20)..........1
46.....JSM4540-46 .......Screw (M6x110)..............4
47.....JSM4540-47 .......Muffler Material................1
48.....JSM4540-48 .......Muffler Material................1
49.....40340 .................Set Screw (M5x5)............1
50.....JSM4540-50 .......Spring..............................1
51.....JSM4540-51 .......Pin...................................1
52.....60328 .................Retaining Ring (RTW-28).1
.........RPK-4540A....Repair Kit1
.........RBK-4540......Rebuild Kit2
1Contains Index No.'s 5, 8, 9, 16, 22, 24, 37, 38, 42
2Contains Index No.'s 29, 30, 31, 34, 35, 39
Specifications for JSM-4540:
Square drive......................................................................... 3/4”
Bolt capacity...................................................................... 1-1/2”
Anvil retainer type................................................................Ring
Impact mechanism.................................................. twin hammer
Maximum working torque............................................ 1200 ft/lbs
Torque settings...........................forward 3 steps/reverse 3 steps
Free speed .................................................................5500 RPM
Air pressure.......................................................................90 psi
Air consumption at load.....................................................4 CFM
Air inlet......................................................................... 1/4" NPT
Air hose inside diameter........................................................ 3/8”
Vibration value................................................................3.9 m/s2
Noise level.........................................................................83 dB
Number of vanes in motor......................................................... 6
Overall length ..........................................................................6”
Net weight ......................................................................7.50 lbs
Shipping weight..............................................................7.72 lbs