22
OPERATION MANUAL
5. MAINTENANCE
5.1 LUBRICATION:
All ball bearings in your mill/drill are sealed for life, requiring no lubrication.
Points requiring lubrication are:
1. Internal spline drive assembly. Keep this area well lubricated with a good grade grease,
insert grease in the hole at the top of spindle pulley spline driver, lube
TWICE YEARLY
.
2. A light film of oil applied to the quill, table and column will reduce wear, prevent rust,
and assure ease of operation.
EVERY 30 DAYS.
Fluid Film
(O040 or O043)
3. Quill return spring should receive oil (SAE 20)
ONCE YEARLY
. Remove cover plate and
apply oil with oil can or small brush.
4. IMPORTANT: The gear box should be filled with oil such as SAE 68 to the level in the
sight glass.
CHANGE OIL EVERY 12 MONTHS.
5. Apply oil to quill pinion
EVERY 90 DAYS.
NOTE:
Use extreme care when performing these operations and keep hands clear of pinch
points. Do not apply with motor running.
5.2 CHANGING THE GEAR BOX OIL
The headstock oil should be changed every 12
months.
To Change The Oil.
1. Run the spindle for 5 or 10 minutes at 570rpm
to warm the oil
2. DISCONNECT THE MACHINE FROM THE POWER
3. Open the drain plug to allow the oil to drain
from the opening completely.
4. Replace the oil drain plug and remove the oil
filler plug, and fill the gearbox with oil until the
oil level reaches the middle of the oil fluid lever
indicator. (Fig. 5.2)
5. Then replace the oil filler plug.
F
ig
.5.2
o
il
s
ight
g
lass
F
ig
.5.1
o
il
D
rain
P
lug
o
il
F
ill
P
lug
07/11/2019
Instructions Manual for HM-46B (M138D)
22
Summary of Contents for HM-46B
Page 26: ...26 OPERATION MANUAL HEAD PARTS DIAGRAM 07 11 2019 Instructions Manual for HM 46B M138D 26 ...
Page 29: ...29 OPERATION MANUAL COLUMN AND TABLE PARTS 07 11 2019 Instructions Manual for HM 46B M138D 29 ...
Page 31: ...31 OPERATION MANUAL WIRING DIAGRAM 07 11 2019 Instructions Manual for HM 46B M138D 31 ...