SECTION 5: OPERATION
CAS40P 40 CFM / 100 PSIG
PAGE - 22
®
An Oshkosh Corporation Company
5.3 FIRST TIME START-UP
The compressor has been factory-tested and its air and
hydraulic valves have been adjusted to their specified
operating settings. Its crankcase has also been filled to
the proper level.
THE FOLLOWING STEPS APPLY TO THE FIRST TIME
START-UP AFTER MACHINE INSTALLATION
Before attempting to start the unit, make sure that the
machine (vehicle) is on a level surface, and check the
sight glass to ensure that the oil level is within the
acceptable range. Add oil if necessary. Refer to
Figure 5-
1
for unit check locations, and
Figure 5-2
for
instrumentation. See
Section 6.4.3, Compressor
System Lubrication
, for the correct oil type, sight glass
location and level range depiction.
1. Ensure the ON/OFF switch is in the OFF
position.
2. Ensure all service outlets are closed.
3. Apply hydraulic power.
4. Check for hydraulic supply or return leaks and
correct if required.
5. Move the ON/OFF switch to the ON position
to start the compressor.
6. Allow air pressure to build up in the receiver
tank.
KEY
DESCRIPTION
A
SERVICE AIR DISCHARGE PORT: Output to service valve
B
COMPRESSOR OIL SIGHT GLASS: Level should be mid-point mark of glass, with the machine off, and the oil settled.
Figure 5-1: Operation Check Locations
A
B
KEY
DESCRIPTION
A
PRESSURE GAUGE
B
HOUR METER
Figure 5-2: Instrumentation
A
B
Manual #99905382 Rev 02
(JUNE 2018)