Northern Industrial Tools 1981202 Impact Driver User Manual


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NOTE:
ØIf the tool stalls while tightening, DO NOT raise the outlet pressure of the air
compressor above 90 PSI.
ØWhen the nut has been tightened, remove the tool and socket.
Do not over-tighten.
ØIf available, check the recommended torque specifications for the nut.
You should use a torque wrench to torque the nut after using the impact wrench.
INSPECTION, MAINTENANCE AND CLEANING
1. Always make sure the trigger is in its OFF position, and disconnect the tool from
its compressed air supply before performing any inspection, adjustments,
maintenance, or cleaning.
2. Before each use, inspect the general condition of the tool. Check for loose screws,
misalignment or binding of moving parts, cracked or broken parts, damaged air hose,
and any other condition that may affect its safe operation. If abnormal noise or
vibration occurs, have the problem corrected before further use. Do not use
damaged equipment.
3. Daily: With a clean cloth, remove all dirt, oil, and grease from the tool. If necessary,
you may use a mild detergent. Do not use solvents, as damaged to the tool may occur.
Do not immerse the tool in any liquids.
GENERAL TOUBLE SHOOTING
TROUBLES
ØTool does not run at a normal speed or at a variable speed.
ØThe motor blocks.
ØAutomatic start when connected to compressed air.
ØTorque reduces
ØAbnormal vibrating Easy hot rising at the housing.
CAUSES
ØAir supply is not enough (air pressure not in a required standard)
ØSpeed controller/switch breaks down
ØRotor blades break or wear out
ØDust gets into the motor
ØThrottle lever or starting trigger malfunctions
ØAir leakage at the inlet or somewhere else
ØBearing damages
ØCorrespondent O-rings wear out or out of position
ØLack of lubricating
TROUBLE SHOOTING
ØCheck the air hose to see whether it is blocked or twisted for less air supply
ØCheck the air compressor to gain the correct air pressure required
ØReplace rotor blades
ØDisassemble the tool and clean the inner structure under proper instructions
ØCheck and fix the throttle lever or starting trigger for accurate operation
ØCheck the air leakage and fix it under proper instruction
ØReplace new bearing
ØReplace the damaged O-ring or put it back in correct position
ØOil/Lubricate the tool consistently until it gains the right speed and torque.
NOTE: For any other special troubles which cannot be settled down by the operator,
please contact the selling agent from whom you purchased the tool.
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