Northern Industrial Tools 1961202 - Manual (Page 5)

NOTE:
¾ If the tool cannot loosen the nut, DO NOT raise the outlet pressure of the air compressor.
¾ When the nut is moved, stop the tool by releasing the trigger and remove the tool from the
nut. Remove the nut from the socket if needed.
vi. Speed Adjustment
1. Turn on the air compressor and allow its tank to be filled.
2. Set the air compressor regulator to 90PSI. This air impact wrench operates at a maximum
of 90psi air pressure.
3. Adjust torque regulator(1,2,3 signed) on the air impact wrench to desire torque.
4. Adjust tool either in forward or reverse position, depends on the purpose of the job. "F" for
forward direction or "R" for reverse direction.
5. Depress the trigger to start operating the tool.
6. Release trigger in order to stop the tool.
7. When changing sockets, always disconnect air supply to avoid injury.
8. When job is completed, turn off the air compressor and store the air tool after lubrication.
MAINTENANCE
WARNING Always disconnect the air supply before attempting any maintenance.
After disconnecting the air supply, squeeze the trigger to make sure no air remains in the unit.
1. After each use, wipe down the impact wrench with a lint-free cloth. Do not use solvents or
harsh detergents to clean the tool.
2. Make sure the air inlet is clean of dirt, grease, or debis.
Parts List
Part No. Description Qty. Part No. Description Qty.
1 Housing 1 22 Bearing 2
2 O-ring 1 23 Rear Gasket 1
3 Cap Screw 8 24 Rev. Valve 1
4 Hammer Case 1 25 O-ring 1
5 Cap Screw 1 26 Rear Cover Ring 1
6 Trigger Retainer 1 27 Back Cover 1
7 Rev. Valve Sleeve 1 28 Locking Pin 1
8 Trigger Shaft 1 29 Spring 1
9 Trigger 1 30 Reverse Button 1
10 Valve Seat 1 31 Screw 1
11 Throttle Valve 1 32 Spring Washer 8
12 Spring Valve 1 33 Hammer Pin 2
13 Exhaust Deflector 1 34 Hammer 2
14 Inlet Bushing 1 35 Hammer Frame 1
15 Front end plate 1 36 Standard Anvil 1
16 Rotor 1 37 O-ring 1
17
Rotor Vane
6 38 Socket Retainer
Ring
1
18 Spring Pin 1 39 Anvil Bushing 1
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