USER MANUAL: GT1300PSS
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20 OF 32
REV 1308
®
TIGHTENING
Once the reaction arm and appropriate size impact socket have
been installed and the correct pressure for your application has
been set, you are ready to tighten your fastener. Depending on
your application, you may be required to use lubrication on the
nut being tightened and a backup wrench on the nut on the
opposite end of the stud – please consult the instructions supplied
by the fastener manufacturer or the engineering instructions
supplied for the project.
Be sure to wear appropriate PPE (Personal Protective
Equipment) – please see the sections on “SAFETY” and “PPE” at the
beginning of this manual. Never place your hands or other body
parts near the reaction arm or any moving component.
Set the direction lever of the tool to “R”. Place the impact socket
over the fastener (see Figure 15). Slowly depress the tool trigger
until the reaction arm touches a robust, stationary object like a
nearby fastener or other similar metal feature (see Figure 16).
Remember that the gearbox and reaction arm assemblies can
rotate with respect to the tool handle to accommodate the most
favorable work angle for the tool.
Figure 15
- SOCKET OVER FASTENER
Figure 16
- REACTION ARM AGAINST
NEARBY FASTENER
Fully depress trigger until socket stops turning. Once the socket
stops do not depress the trigger again – doing so may increase the
torque applied to the fastener by an undesirable amount. If
necessary set the direction lever of the tool to “L” and depress the
trigger slightly to ease in disengagement of socket.
