1233 Pipe and Bolt Threading Machine
Cleaning Oil System (Weekly)
1. Place container under chip pan drain plug.
2. Remove drain plug and drain oil.
3. Slide out chip tray.
4. Lift up and remove insert tray.
5. Use putty knife to remove pipe scale, metal shavings
and dirt from bottom of chip pan.
6. Remove oil filter and clean screen.
Jaw Insert Replacement
NOTE! When teeth on jaw inserts become worn and fail to
hold pipe or rod during operation, replace entire
set of jaw inserts. Clean teeth of jaw inserts daily
with wire brush.
WARNING
NEVER REMOVE INSERT IF JAW IS OUT OF MA-
CHINE. A SPRING LOADED LOCATING PIN BEHIND
INSERT CAN CAUSE INJURY.
1. To remove insert — place screwdriver in insert slot
and turn 90 degrees in either direction. Remove insert.
(Figure 23)
2. Install new insert — place insert sideways on lock-
ing pin and press down as far as possible.
3. Hold insert down firmly with screwdriver, turn so
teeth face up.
Figure 23 – Replacing Jaw Inserts
Replacing Carbon Brushes in Motor
NOTE! Check motor brushes every 6 months and replace
when worn to less than
1. Unplug machine from power source.
2. Fully loosen four screws that hold motor housing
cover in place and remove motor housing cover.
(See Figure 24.)
3. Fully loosen carbon brush holders and remove carbon
brush. (Figure 25)
4. Install new carbon brushes.
5. Re-install brush holders and motor cover and hous-
ing.
Figure 24 – Motor Housing Cover Screws (4)
Figure 25 – Brush Holder(s) Exposed
Ridge Tool Company
1
/
".
2
Remove 4 Screws
Carbon
Brush
Holder
15