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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
OPERATING THE IMPACT WRENCH
1. Place the socket over the nut/bolt to be tightened or loosened.
2. Squeeze the trigger to start and release the trigger switch to stop the
wrench.
• The square drive will continue to rotate very briefly after the trigger
has been released.
LOOSENING A WHEEL NUT/BOLT
1. Remove any wheel trim, before selecting the appropriate socket and
placing firmly on the square drive of the impact wrench.
2. With the switch in the REVERSE running position, and holding the impact
wrench firmly in BOTH HANDS, squeeze the trigger. The nut/bolt will be
impacted repeatedly until it is loosened.
IMPORTANT!
Release the trigger as
soon as the nut/bolt begins to loosen.
3. Jack up the vehicle according to the vehicle handbook so that the wheel
is clear of the ground, then proceed to fully undo the wheel nuts/bolts.
4. Soak rusted nuts/bolts in penetrating oil and break any rust seal before
twisting off with the wrench.
TIGHTENING A NUT/BOLT
1. Start the nut/bolt by hand, ensuring it is not cross threaded, then with the
appropriate socket installed on the impact wrench, place it on the nut/
bolt.
2. With the switch in the clockwise (FORWARD) running position, and holding
the wrench firmly in BOTH HANDS, squeeze the trigger.
3. Run each nut/bolt up in turn until it is ‘nipped’ up only - do not tighten.
When all nuts/bolts are nipped up, tighten progressively by pulling the
trigger fully and allowing the action to operate briefly to prevent
overtightening.
4. ALWAYS finish tightening with a torque wrench. The weight of the vehicle
will need to be placed on the wheel to prevent it from rotating while the
nuts/bolts are tightened. Ensure the final torque applied to the nuts/bolts
meets the vehicle manufacturer’s recommendations.
WARNING: ENSURE THAT THE CORRECT SOCKET IS BEING USED FOR THE
NUTS ON YOUR PARTICULAR VEHICLE. AN INCORRECT SOCKET SIZE IS
LIKELY TO DAMAGE THE HEADS OF THE NUTS/BOLTS.
Содержание CAT179
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