RIDGID 918-I Manual página 18

918-I Roll Groover
3. Use 3/16" hex key to loosen the two screws on the
front half of the transmission coupling (Figure 23).
4. Use the spanner wrench to remove the drive shaft
bearing retaining nut (Figure 24).
5. Pull the drive shaft assembly forward. Remove front
half of the coupling and the drive shaft bearing retain-
ing nut. Reinsert drive shaft.
6. Use the / " hex in the box wrench to loosen the draw
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bolt (Figure 26).
7 . Tap draw bolt head with a soft face mallet to release
drive roll from drive shaft.
8. Unthread draw bolt from drive roll, remove drive roll
from front of groover.
9. Install new drive roll, insert and hand-tighten draw bolt.
10. Manually rotate the drive shaft/drive roll assembly
while applying pressure to the spindle lock pin until
the lock pin engages the spindle lock hole in the drive
shaft.
11. With the spindle lock engaged, use the
box wrench to tighten the draw bolt.
12. Release pressure on the spindle lock pin, allowing to
retract.
13. Pull drive shaft assembly forward. Insert front half of
coupling onto back half. Insert drive shaft assembly
through the bearing retaining nut, aligning hex with
opening in coupling.
14. Use spanner wrench to tighten the drive shaft bearing
retaining nut.
15. Tighten transmission coupling set screws.
16. Close transmission cover.
Figure 25 – Removing Drive Shaft Assembly
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Figure 26 – Removing Draw Bolt
Changing One Piece Drive Shaft to Two Piece Drive
Shaft:
1. Remove the one-piece drive shaft.
2. Remove the front half of the coupling.
3. Assemble proper drive roll to drive shaft (two-piece
/ " hex in the
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4. Insert two-piece drive shaft assembly into groover.
5. With the spindle lock engaged, use the
6. Release pressure on the spindle lock pin, allowing to
7 . Pull drive shaft assembly forward. Insert front half of
8. Use spanner wrench to tighten the drive shaft bearing
9. Tighten transmission coupling set screw.
10. Close transmission cover and secure.
Replacing Carbon Brushes
Check motor brushes every 6 months. Replace when
worn to less than ½".
1. Swing open the transmission cover.
2. Remove four screws holding motor cover, remove
3. Using a pair of pliers, pull the motor brushes straight
style) with draw bolt hand tight.
box wrench to tighten the draw bolt.
retract.
coupling onto back half. Insert drive shaft assembly
through the bearing retaining nut, aligning hex with
opening in coupling.
retaining nut.
motor back cover.
out. Detach the connector. (See Figure 27)
/ " hex in the
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999-998-676.10_REV. D