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MODEL 44-50
VIBRATORY
DRIVER/EXTRACTOR
IV.
MAINTENANCE AND ADJUSTMENTS
F. LUBRICATION (CONTINUED)
extremely cold or hot climates to use a different viscosity oil which is better adapted
to adverse conditions. Contact the nearest oil supply representative for suggested
procedures.
TERRESOLVE Invirological 146 hydraulic fl uid is available from J&M in fi ve gallon cans.
See SECTION VIII - ORDERING PARTS, page VIII-58.
3. Vibration Case
The fl uid level is easily read through the sight glass located at the lower center of the vibration
case on the motor side. Lubricating oil may be added when necessary, through either of the
holes in the vibration case top plate after removing the 1" pipe plugs. To drain the case,
remove a 1" pipe plug at either end of the base plate. Tilt the case for complete drainage.
4. Multi-Pump Drive Adapter
The fl uid level is easily checked by removing the 1/4 inch hex head pipe plug on the right
side of the Multi-pump Drive Adapter. Lubricating oil should be to this level. If low, lubricating
oil may be added by removing the 1/2 inch socket head pipe plug located on the left side
of the Multi-pump Drive Adapter. Draining the lubricating oil may be done by removing the
1/2 inch socket head pipe plug on the bottom of the Multi-pump Drive Adapter.
5. The preferred lubricating oil for J&M vibration cases and multi-pump drive adapters
is "High Moly" oil (Schaeffer 268). Longer intervals between fl uid changes and fewer
maintenance hours spent on mechanical service can generally be realized with this
fl uid.
Therefore, whenever the "fi rst preferred" oil is not available, or desired, and an alternate
fl uid is selected, it will be necessary to test and/or change the oil at shorter intervals.
Extensive tests have indicated that the use of Schaeffer 268 results in cooler operation and
extended bearing and gear life.
When operating in arctic conditions, it is recommended to use
a heater to pre-heat the oil prior to starting. Contact J&M for
other arctic operating procedures. It may also be necessary in
IV-6
OPERATING
INSTRUCTIONS
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