AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: MAINTENANCE
090012-OP_r0
PAGE - 79
1. With the machine off and the ignition key
removed, place a suitable receptacle under
the compressor drain tube end and remove
the drain cap.
2. After oil has completely drained, securely
replace the drain cap.
3. Replace the oil filter (see
Section 6.6.4
for
instructions on how to replace the
compressor oil filter element).
4. Replace the air/oil coalescer (see
Section
6.6.6
for instructions on how to replace the
spin-on air/oil coalescer filter).
5. Once the oil filter and air/oil coalescer have
been replaced, access the compressor oil fill
port by removing the cap ([
A
] in
Figure 6-6
)
and filling the compressor unit to the service
capacity level (two and a half [2.5] quarts)
with Vanguard™ Premium Synthetic Oil.
Note the acceptable range for the oil level
[
G
] from
Figure 6-6
when filling the
compressor unit reservoir.
6. Run the compressor momentarily, turn off,
and verify that the level of compressor oil [
G
]
is within satisfactory range.
6.6.6 REPLACING THE SPIN-ON AIR/OIL
COALESCER
The air/oil coalescer element is a spin-on disposable
type. Consult
Figure 6-9
, and use the following
procedure to replace the coalescer element. Consult
Section 6.3, Maintenance Schedule Table
for routine
coalescer element change intervals.
1. With the machine off and the ignition key
removed, open the hood panel.
2. Locate the spin-on element situated on the
topside at the rear of the compressor unit.
IMPORTANT
Only Use Vanguard Premium Synthetic Oil.
TOOLS NEEDED
REPLACEMENT
PART(S)
Strap Wrench
Coalescer
Replacement
Element No. 264470
Compressor Oil (to coat
seal)
NOTE
DO NOT overfill the compressor system;
stay within the recommended guidelines
as prescribed in
Section 3, Table 3B:
Specifications - Air Compressor
.
KEY
DESCRIPTION
A
COALESCER FILTER ELEMENT
B
COALESCER FILTER SEATING
C
ELEMENT SEALING SURFACE
Figure 6-9: Air/Oil Coalescer Element
A
B
C
NOTE
For extreme weather conditions, refer to
Section 5.8
.
