- All visible oil wicks should
be checked for proper positioning over the eccentrics and to make sure
they are not broken or dried out, Figure 7
and Figure 8.
- The head chamber cover should be
removed and any lint should be removed with compressed air, a brush or
rag, Figure 9.
- The felt pad in the base plate oil pan
and the rubber seal on the filter cap assembly should be cleaned of
any contaminants. If the pad or seal has dried out it should be
replaced, Figure 10.
- All thread contact surfaces should be
cleaned and checked for burrs, sharp edges and worn thread holes,
Figure 11.
- After all of the above areas have been
cleaned and or replaced, reinstall the drain plug and refill the
machine with oil. It is important to use Union Special Corporation
Spec.
175 oil which has the following characteristics, (See Table Below).
Fill the machine until the proper oil level is indicated in the oil
sight gauge. NE

|
USM Spec. 175 Oil |
Characteristics |
| Viscosity |
100F
90-125 |
| Flash Point (Min.) |
350F |
| Color ASTM (Max.) |
1 |
| Viscosity Index (Min.) |
85 |
| Aniline No. |
175-225 |
| Copper Corrosion (Max.) |
1A |
| Neutralization No.
(Max.) |
0.1 OM |
|




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