918-I Heavy Duty Roll Grooving Machine
• Tighten groove roll set screw into detent on upper
roll shaft.
• Using a grease gun, grease the drive shaft through
the fitting on the side of the groover.
Figure 15 – Remove Drive Shaft
Removing and Installing Roll Sets with
Two-Piece Drive Shafts (1", 1
2" – 6" Copper)
1. Removing Groove Roll:
• Fully raise the upper roll housing by moving the
pump release lever to the return position, away
from the operator.
• Loosen groove roll set screw (Figure 11) . Grasp
groove roll and remove upper shaft and groove roll
from the Groover (Figure 12) .
2. Removing Drive Roll From Drive Shaft:
• Open motor and transmission cover.
" hex key to loosen the two screws on the
• Use
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front half of the transmission coupling (Figure 13).
• Use the spanner wrench to loosen and remove the
drive shaft retaining nut (Figure 14) .
Figure 16 – Removing Bearing, Retaining Nut and Front
" – 1
",
1
/
1
/
4
2
Figure 17 – Engaging Spindle Lock and Loosen Draw Bolt
3. Installing New Drive Roll:
Ridge Tool Company
• Pull the drive shaft assembly forward. Remove
drive shaft bearing retaining nut and the front half
of the coupling (Figure 16) . Reinsert drive shaft .
Half of Coupling
• Manually rotate the drive shaft while applying
pressure to the spindle lock pin until the lock pin
engages the spindle lock hole in the drive shaft.
• With the spindle lock engaged, use a
to loosen the draw bolt (Figure 17) .
• Tap draw bolt with a mallet to release drive roll
from drive shaft.
• Unthread draw bolt from drive roll, remove drive
roll.
• Install new drive roll, insert and hand-tighten draw
bolt.
" wrench
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11