2-5. OPERATING PROCEDURES-Continued.
Check hydraulic lines from power source to hydraulic impact wrench.
Check vehicle hydraulic reservoir. Fill if necessary in accordance with applicable vehicle Technical
Start power supply to pump and allow power unit to warm up.
Ensure directional control is set to clockwise or counterclockwise limit. Failure to do so will
restrict oil flow and cause unnecessary strain on hydraulic supply equipment.
Set directional control handle (1) for either
clockwise or counterclockwise position.
To prevent injury to personnel, do
not operate hydraulic impact wrench
with trigger removed.
Unless resistive force of object being
turned is greater than 50 pound-feet
(lb-ft) (67.8 Newton-meters [Nom]),
impact feature of wrench will not
wrench will rotate at continuous
Press and hold trigger (2) for operation.
Release trigger (2) to stop operation.
Bleed small amount of fluid from hoses
(3) prior to storing to prevent pressure
build up in hoses.