SECTION 6: MAINTENANCE
CAS40P 40 CFM / 100 PSIG
PAGE - 26
®
An Oshkosh Corporation Company
TABLE 6A: ROUTINE MAINTENANCE SCHEDULE
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.
MAINTENANCE
INTERVALS
Hourly or Calendar
Period - whichever
comes first
NOTES:
If working in dusty or dirty conditions, reduce
the recommended time intervals between
servicing by half for compressor oil change,
and compressor filter servicing.
For routine, as well as non-routine,
maintenance procedures, consult the section
title listing table in
Section 6.4
to locate
specific maintenance components.
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KEY
TASK DESCRIPTION
ACTION TO TAKE
*
Break-in period
:
Initial oil
change
AFTER INITIAL 50
HOURS OF
OPERATION
Perform a complete compressor unit oil change.
NOTE:
After the initial oil change revert to Key
#10 below.
1
Before starting
, check compressor
crankcase oil level.
•
•
•
Ensure vehicle is situated on a level surface
before checking oil level. Add oil if necessary.
Refer to
Section 6.4.3
.
2
Check for any loose bolts and/or loose
connections.
•
•
•
Tighten if necessary.
3
Check drive belt for tension.
•
•
•
If necessary, consult
Section 6.4.9
for
procedure on tightening the drive belts.
4
Check for leaks.
•
•
•
Visually note any leaks or evidence of leaks
around the compressor unit and hose
connections. Tighten any loose connection point
where needed. Repair or replace any damaged
part.
5
Inspect and clean the air discharge
system.
•
•
•
Check/drain air reservoir daily, or more
frequently, depending on working environment
conditions.
6
After starting,
check pressure gauge
for correct operating pressure.
•
•
•
Refer to
Section 3, Table 3A
, and
Section
6.4.2
.
7
Clean dust and foreign matter from the
compressor oil cooler core.
•
•
Consult
Section 6.4.5
for procedure on cleaning
the cooler core (external and internal).
8
Remove, inspect, and clear air intake
filters if necessary
I
.
•
•
Consult
Section 6.4.4
for procedure on how to
inspect and/or change the air intake filters.
9
Inspect and clean the compressor
valves.
II
Consult
Section 6.4.6
for maintenance
procedure for the compressor valves.
10
Change the compressor crankcase oil.
•
Consult
Section 6.4.3
for procedure on
changing the crankcase oil.
11
Check the hoses for damage or other
signs of deterioration.
•
Consult
Section 8.14
for assistance with hose
replacement.
12
Check the wiring for damage or
deterioration and ensure that
connections are secure.
•
Refer to
Figure 4-4
(Electrical System Wiring
Diagram) for wire system route connections.
I
Air filters inspection performed weekly (change if needed); air filters change interval is yearly, or sooner depending upon inspection.
II
Valves should be removed from the cylinder heads every two (2) or three (3) months and examined for cleanliness and carbon
formation (bulid-up).
Manual #99905382 Rev 02
(JUNE 2018)
