918-I Heavy Duty Roll Grooving Machine
Ridge Tool Company
12
• 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.
• With the spindle lock engaged, use a wrench to
tighten the draw bolt.
• Release pressure on the spindle lock pin, allowing
to retract.
• 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.
• Use spanner wrench to tighten the drive shaft bear-
ing retaining nut.
• Tighten transmission coupling set screws.
• Close motor and transmission cover.
Do not use groover with cover removed or
open.
4. Installing Groove Roll:
• With upper roll housing fully raised and drive shaft in
place, insert groove roll into upper roll assembly and
fully insert upper roll shaft through bearings and
groove roll.
• Tighten groove roll set screw into detent on upper
roll shaft.
5. Using a grease gun, grease the drive shaft through the
fitting on the side of the Groover.
Changing from Solid Drive Shaft Roll Set
to Two-Piece Drive Shaft
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 roll shaft and groove
roll from Groover
(Figure 12).
2. Changing Solid Drive Shaft Roll Set to Two-Piece
Drive Shaft:
• Open motor and transmission cover.
• Use
3
/
16
″
hex key to loosen the two screws on the
transmission coupling
(Figure 13).
• Use the box wrench to remove the drive shaft bear-
ing retaining nut
(Figure 14).
• Remove the drive shaft
(Figure 15).
• Remove the front half of the coupling.
• Assemble proper drive roll to drive shaft (two-
piece style) with draw bolt hand-tight.
• Insert two-piece drive shaft assembly into 918-I.
• Manually rotate the drive shaft while applying pres-
sure to the spindle lock pin until the lock pin engages
the spindle lock hole in the drive shaft assembly.
• With the spindle lock engaged, use a wrench to
tighten the draw bolt.
• Release pressure on the spindle lock pin, allowing
to retract.
• 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.
• Use spanner wrench to tighten the drive shaft
bearing retaining nut.
• Tighten transmission coupling set screw.
• Close motor and transmission cover.
Do not use groover with cover removed
or open.
3. Installing groove roll:
• With upper housing fully raised and drive shaft in
place, insert groove roll into upper roll assembly and
fully insert upper roll shaft through bearings and
groove roll.
• Tighten groove roll set screw into detent on upper
roll shaft.
4. Using a grease gun, grease the drive shaft through the
fitting on the side of the groover.
Accessories
Only the following RIDGID products have
been designed to function with the 918-I Roll Groover.
Other accessories suitable for use with other tools may
become hazardous when used on this Roll Groover.
To prevent serious injury, use only the accessories listed
below.
NOTE: A Roll Set consists of a Groove Roll and a Drive Roll.
WARNING
WARNING
WARNING
Catalog
No. 918-I
Accessories
48405
Roll Set for 8
″ −
12
″
Sch. 10, (8
″
Sch.40) with Carrying Case
48407
Roll Set for 1
1
/
4
″
to 1
1
/
2
″
Sch. 10/40 with Carrying Case
48412
Roll Set for 1
″
Sch. 10/40 and 1
1
/
4
″
to 1
1
/
2
″
Sch. 10/40 with
Carrying Case
48417
Roll Set for Copper (2
″
- 6
″
)
76822
English Diameter Tape
76827
Metric Diameter Tape
Pipe Stands (See Ridge Tool Catalog)
