MAINTENANCE
Lubrication
37
RECOMMENDED LUBRICANT
The oil mist lubricator assembly, located op-
posite the cutting enclosure, supplies pressur-
ized oil mist to the spindle assembly. A sight
gauge indicates oil level in the reservoir (Figure
26). Check oil level regularly and refill when
necessary. Use a spindle oil with rust and oxi-
dation inhibitors and Saybolt viscosity of 150
seconds at 100°F. (37.8° C.), such as Mobil
DTE® Oil Light or equivalent. Oil consumption
is approximately .046 fluid ounces (1.36 ml)
per hour, or a 3/8" (9.53 mm) drop in oil level
every 44 hours. One gallon containers of fil-
tered spindle oil are available from Urschel
Laboratories, Inc. See “Tools”, page 82.
Optional grease lubricated spindle assem-
blies are lubricated for the service life of the
bearings. No additional lubrication is required.
To refill reservoir:
1. Disconnect and lock out the power
source.
2. Shut off air supply by turning air shut-off
valve handle clockwise.
3. Remove oil fill plug and fill reservoir with
clean, filtered oil. Make sure oil level is al-
ways visible in the oil level sight gauge (Fig-
ure 26).
NOTE:
Do not overfill reservoir! Oil
mist may be prevented from reaching spin-
dle, even though oil droplets are visible in
sight dome.Drain oil if necessary to correct.
4. Replace oil fill plug, turn on air and
check feed rate. Maintain 40 drops per
minute in sight dome. To readjust, see
“Adjustments”, page 43.
When starting up a machine that has been
totally shut down for 24 hours or more, allow lu-
bricator only to run at least one half hour before
starting machine. Also it is recommended that
the lubricator remain in operation during nor-
mal downtime and weekend shutdown periods.
Oil consumption is slight and the presence of
pressurized oil mist prevents moisture conden-
sation within the spindle housing.Ambient tem-
perature may affect spindle oil viscosity making
it necessary to readjust oil flow rate. Maintain
40 drops per minute in sight dome.
MOTOR LUBRICATION
Lubricate according to instructions fur-
nished by motor manufacturer.
Figure 26 — Oil mist lubricator; maintain 40 drops per
minute in sight dome. (1) Sight Dome, (2) Oil Fill Plug
(3) Sight Gauge
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