Completing Set Up - RIDGID 975 Manual

975 Combo Roll Groover
3. Place the adapter bracket over the end of rails of the
300 Compact (as shown in Figure 5) and lock into
place with the attached pin.
Figure 5 – Installing Adapter Bracket
4. Place the 975 support arms on the arms of the
adapter bracket with the drive bar adapter in the
chuck of the machine. Close and tighten the threading
machine chuck onto the drive bar adapter. Make
sure that the drive bar is centered in the chuck. Use
repeated and forceful counterclockwise spins of the
speed chuck hammerwheel to securely grip the drive
bar.
Figure 6 – 975 Combo Roll Groover Properly Mounted
On 300 Compact Threading Machine

Completing Set Up

1. Position the foot switch so that the operator can con-
trol the power drive/threading machine, the roll
groover and the pipe to be grooved. As shown in
Figure 6 , the position should allow the operator to:
• Stand facing the roll groover with access to (on the
same side as) the FOR/OFF/REV switch.
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Figure 7 – Operator Position
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• Control the ON/OFF action of the foot switch and
quickly release the foot switch if needed.
• Have convenient access to the roll groover, pipe
and ratchet wrench without reaching over the roll
groover.
2. Run the power cord along the previously identified
clear path. With dry hands plug the power drive into
the properly grounded outlet. Keep all connections dry
and off the ground. If the power cord is not long
enough use an extension cord that :
• Is in good condition
• Has a three prong plug similar to that on the power
drive
• Is rated for outdoor use and contains a W or W-A in
the cord designation (i.e. SOW)
• Has sufficient wire size (14 AWG for 25' or less, 12
AWG for 25' – 50' long). Under sized wires can
overheat, melting the insulation or causing a fire or
other damage.
3. Check the power drive/threading machine to make
sure that it is operating correctly:
• Move the switch to the FOR (Forward) position.
Press and release the foot switch. Confirm that
the driveshaft rotates in a counter-clockwise direc-
tion as you face the front chuck. If the unit does not
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