RIDGID 300 Manuel De L'opérateur page 15

300 Power Drive
Carriage
Lever
Figure 11 – Threading Pipe with Quick or Self-Opening
Die Head
Removing Pipe from the Power Drive
1. Flip directional switch to OFF.
2. Use repeated and forceful clockwise spins of the
speed chuck handwheel at the front of the Power
Drive to release the workpiece from the speed
chuck jaws.
3. If necessary, loosen the rear centering device using
a clockwise rotation of the handwheel at the rear of
the Power Drive.
4. Slide the workpiece out of the Power Drive, keeping a
firm grip on the workpiece as it clears the Power Drive.
To avoid injury from falling parts or equip-
WARNING
ment tip-overs when handling long workpieces, make
sure that the end farthest from the Power Drive is sup-
ported prior to removal.
5. Clean up any spills or splatter on the ground sur-
rounding the Power Drive.
Installing Dies in No. 811A Quick-
Opening Die Head (Right and Left Hand)
NOTE! The No. 811A Universal Die Head (Figure 12) for
right hand threads requires four sets of dies to
thread pipe ranging from
of dies is required for each of the following pipe
Die Head
" through 2". One set
1 /
8
Ridge Tool Company
"), ( " – "), (
size ranges: ( 1 / 1 / 3 /
8 4 8
" pipe dies are not available for left hand die head. Bolt
1 /
8
threading requires a separate set of dies for each bolt
size. No bolt dies are available for left hand universal die
heads.
1. With machine unplugged, remove die head. Lay die
head on bench with numbers face up.
2. Flip throwout lever to OPEN position.
3. Loosen clamp lever approximately three turns.
4. Lift tongue of clamp lever washer up and out of
slot under size bar. Slide throwout lever all the way
to end of slot in the OVER direction indicated on size
bar (in direction of CHANGE DIES arrow on rear of
cam plate).
5. Remove dies from die head.
6. Insert new dies to mark on side of dies. Die numbers
1 through 4 on the dies must agree with those on die
head.
7. Slide throwout lever back so that tongue of clamp
lever washer will drop in slot under size bar.
8. Adust die head size bar until the index line on lock
screw or link is aligned with proper size mark on
size bar. For bolt threads, align index line with BOLT
line on size bar.
9. Tighten clamp lever.
10. If oversize or undersize threads are required, set
the index line in direction of OVER or UNDER size
mark on size bar.
11. Replace die head in machine.
Index Line
Link
Throwout
Lever
Figure 12 – Universal Quick-Opening Die Head
" – ") and (1" – 2"). The
1 / 3 /
2 4
Washer
Head
Clamp Lever
Size Bar
13