SECTION 6: MAINTENANCE
CAS40P 40 CFM / 100 PSIG
PAGE - 34
®
An Oshkosh Corporation Company
6.4.3.1 CHECKING THE OIL LEVEL
Refer to
Figure 6-4
. Check oil level daily (preferred),
or at least every week, and top off, if necessary. To
ensure a proper oil level the compressor unit must be
located on a level surface. Oil is filled via the fill port
[
B
]. If low, fill the oil level until the sight glass is 1/4 to
3/4 full.
DO NOT
overfill.
6.4.3.2 CHANGING THE COMPRESSOR OIL
The compressor oil fill port is accessible from the top
of the unit. To access the oil fill port, disengage the
hinged roof panel per
Section 6.4.1.1, Opening and
Closing the Roof Panel
.
Refer to
Figure 6-4
and the following procedure:
1.
Place an open container (of at least three [3]
quarts capacity) below the level of the
compressor unit, within reach of the drain hose
end [
H
] after it is disconnected from the hose
clamp [
J
].
2. Disengage the oil drain hose cap [
K
] from the
oil drain fill port [
B
] using a 3/4” male hex
socket wrench.
3. Disengage the oil drain hose [
H
] from the
hose clamp [
J
].
4. Remove the hose cap [
K
] from the end of the
drain hose.
5. Thoroughly drain the existing oil into the
container.
6. Replace the hose cap on the end of the drain
hose and tighten.
7. At the oil fill port [
B
], fill crankcase with a full
charge of IMT reciprocating oil to the proper
level indicated by the sight glass reading [
C
].
8. Replace the 3/4” hex socket plug on the oil fill
port [
B
], and tighten.
6.4.4 AIR FILTER MAINTENANCE
Depending on the degree of contamination of the air
taken in, regularly and carefully inspect the air filters
on (at least) a weekly basis. The air filter elements
NOTE
When inspecting the oil level, ensure that
the oil fill sight glass does not contain
any cracks or pits.
WARNING
Before performing maintenance:
Shut down machine, relieve all system
pressure and lock out all power, as per
the Safety Section of this manual. If
machine is hot, allow package to cool
before removing any panel.
NOTE THAT THE SYSTEM CAN BE
STARTED REMOTELY:
Always clearly tag the start-up
instrumentation against accidental
system start-ups during maintenance.
NOTE
Dispose of discarded oil within the
guidelines of all applicable local,
regional and/or federal laws.
Manual #99905382 Rev 02
(JUNE 2018)
