MasterCraft 058-9321-6, Instruction Manual

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TROUBLESHOO
TING
18
AIR - POWERED IMPACT WRENCH 058 - 9321 - 6
The following chart lists common issues and solutions. Please read it carefully and follow all
instructions closely.
• Disconnect the tool from the air s upply before making any adjustments.
• Repairs must be performed in an authorized service center only.
Note: For further repair information, please call 1 - 800 - 689 - 9928.
WARNING!
Potential hazard that could result in serious injury or loss of life.
• If any of the following symptoms appear while the tool is in use, turn it off
and disconnect it from the air supply immediately. Failure to heed this
warning will result in serious personal injury.
PROBLEM POSSIBLE CAUSES SOLUTIONS
Tool runs at normal
speed but loses
speed under load.
1. Motor parts are worn or
damaged.
2. Rotor blade is worn or stuck due
to lack of lubricant.
1. Repair or replace the parts.
2. Lubricate the parts.
Note: If the air tool is used for an extended
period, it is recommended to lubricate regularly.
Tool runs at low
speed. Air flows
slightly from exhaust.
1. Dirt particles are jammed in
motor.
2. Power regulator is in closed
position.
3. Air flow is blocked by dirt.
4. Air supply is less.
1. Check if there is blockage in air inlet filter.
2. Pour lubricating oil into air inlet as per
instructions.
3. Operate the tool by reversing the rotation in
back and forth direction in short
duration (
wherever applicable)
.
4. Check for obstructions in the air supply.
Tool stops working.
Air flows freely from
exhaust.
One or more motor vanes got stuck
due to material build up.
1. Pour air tool lubricating oil into air inlet.
2. Operate the tool in short bursts by quickly
reversing the rotation in back and forth
direction (
wherever applicable) .
3. Tap motor housing gently with plastic mallet.
4. Disconnect the air supply. Operate the motor
by manually rotating the drive shank
(wherever applicable)
.
Tool does not shut
off. O - rings in the throttle valve are
dislodged from the seat inlet valve.
Replace O - rings.