CHAPTER 3
OPERATOR/CREW MAINTENANCE INSTRUCTIONS
Section I. LUBRICATION INSTRUCTIONS
Allow no dust, dirt, or other foreign material to mix with
3-1. General Instructions
the lubricants. Keep all lubrication equipment clean.
a. The motor issued with this air compressor has
been factory lubricated for its lifetime.
b. Cleaning. Wipe lubricating points free-of dirt.
Clean lubrication paints after lubricating to prevent
b. Check compressor frame oil level frequently,
accumulation of foreign matter.
since excessive oil consumption is the principal method of
determine compressors need for repairs.
c. Service. Service lubrication points at proper
intervals as shown in LO 5-4310-348-12.
3-2. Lubrication Instructions
a. General. Keep all lubricants in closed containers
and store in a clean dry place away from external heat.
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Because all required inspections must be made daily, or
more frequently, operator/crew personnel will refer- to
their periodic inspection.
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
B - Before Operation
D - During Operation
A - After Operation
Time required: 0.1.
0.1
Time required:
Interval and
Item to be inspected procedure
Work time
sequence No.
(M/H)
B
D
A
NOTE
Visually inspect for evidence of lubricant leak concurrently with daily service checks.
1
INSPECT OIL LEVEL IN COMPRESSOR FRAME
Remove fill plug in frame (fig. 1-1), below pilot relief valve (LO 5-4310-348-12).
0.1
1
OBSERVE PRESSURE GAGE OPERATION
Watch pressure gage reading when the motor starts, and stops. Motor should start when gage reads 175 psi.
0.1
Motor should stop when gage reads 200 psi. When gage operation is improper, notify organizational
maintenance.
Table 3-2. Operator/Crew Preventive Maintenance Checks and Services
D-Daily
W-Weekly
Time required: 0.2
Time required: 0.4
Interval and
Item to be inspected procedure
Work time
sequence No.
(M/H)
D
W
1
CLEANLINESS OF EQUIPMENT
0.1
Inspect the exterior of the air compressor. The belt guard, motor, V-belts, compressor, and the receiver should be
clean and free of dust, dirt, or oil.
WARNING
Compressed air and electricity are dangerous. Before performing any maintenance, 6r adjustment, be sure
electrical power has been-shut of and lock out. Never depend on the ON-OFF switch on the motor starter. Turn
power off at the source, and avoid injury should the unit start running.
3-1
