OPERATION
PRE -STARTING CHECKS - NEW UNITS.
3-1.
3-1.1. Before starting a new unit fill the compressor crankcase to the overflow point with
oil as specified in Table 5-2.
3-1.2. Turn the compressor flywheel through several revolutions by hand to see that every-
thing is free and in working order.
3-1.3. Check the tension of the belts as described in Paragraph 5-5.
3-1.4. Remove tools, rags and any other objects from the vicinity of the compressor before
starting it.
OPERATING CHECKS. Satisfactory operation depends to a large degree upon adher-
ence to a preventative maintenance schedule. To obtain optimum performance, observe the
Routine Inspection and Maintenance Guide in Table 3-4. As a further initial precaution,
tighten all capscrews and nuts after 25-to 50-hours to maintain efficiency and prevent loss of
oil. Tighten to the torque values recommended in Table 5-1.
SAFETY PRECAUTIONS. The following precautions should be observed to assure the
safety of operating personnel.
3-3.1. BEFORE OPERATION.
Be sure all guards are in place.
Remove all tools and other objects from the compress or.
3-3.2. DURING OPERATION.
Always stop the compressor before making adjustments.
Never disconnect any air lines without first relieving pressure from the entire unit.
Never direct air at personnel; serious injury may result.
3-3.3. AFTER OPERATION.
Drain the receiver and relieve all air pressure from the entire unit before performing
any maintenance on the compressor.
