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FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY.
WARNING
Always wear eye protection
when operating or perform-
ing maintenance on this
tool.
WARNING
Air powered tools can vibrate
in use. Vibration, repetitive
motions or uncomfortable po-
sitions may be harmful to your
hands and arms. Stop using
any tool if discomfort, tingling
feeling or pain occurs. Seek
medical advice before resum-
ing use.
WARNING
Keep body stance balanced
and firm. Do not overreach
when operating this tool.
TORQUE ADJUSTMENT
To adjust the torque on these Twin Blade Impulse
Wrenches, proceed as follows:
1. Remove the Adjustment Hole Plug.
2. Rotate the Drive Shaft until the Torque Adjustment
Screw is visible in the opening.
3. Using a 1.5 mm hex wrench, rotate the Adjustment
Screw clockwise to increase the torque output and
counterclockwise to decrease the torque output.
Do not rotate the Oil Plug.
Make all final adjustments at the job.
4. Replace the Adjustment Hole Plug.
CHANGING THE MECHANISM FLUID
To change the Mechanism Fluid in the Impulse Mechanism,
proceed as follows:
1. Use a pointed probe to push the Spring Seat
against the Retaining Sleeve Spring. While the
Spring is compressed, use another pointed probe or
thin blade screwdriver to remove the Retaining
Ring. Lift the Spring Seat, Spring and Bit
Retaining Sleeve off the Drive Shaft and
remove the Bit Retaining Ball.
WARNING LABEL IDENTIFICATION
Always wear hearing
protection when operating
this tool.
Do not carry the tool by
the hose.
90 psig
Operate at 90 psig (6.2 bar/
(6.2bar/620kPa)
620 kPa) Maximum air pressure.
ADJUSTMENTS
WARNING
WARNING
WARNING
2. Using snap ring pliers, remove the Retaining Sleeve
Spring Stop from the Drive Shaft.
3. Remove the Rubber Housing Boot.
4. Using copper–covered vise jaws, carefully grasp the
flats of the Mechanism Cover with the output end
of the Drive Shaft downward.
5. Using an adjustable wrench, unscrew the Motor
Housing Assembly from the Mechanism Cover.
This is a left–hand thread, rotate the Motor Housing
clockwise to remove it. See Dwg. TPD1264.
CLOCKWISE TO LOOSEN
6. Lift the assembled motor off the Mechanism Cover
and pull the mechanism assembly out of the Cover.
2
WARNING
Always turn off the air sup-
ply and disconnect the air
supply hose before install-
ing, removing or adjusting
any accessory on this tool,
or before performing any
maintenance on this tool.
WARNING
Do not use damaged, frayed
or deteriorated air hoses
and fittings.
(Dwg. TPD1264)
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