SECTION 6: MAINTENANCE
AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 82
090034-OP_r0
3. With the aid of a strap wrench, remove the old
element [
A
] by turning it counterclockwise.
4. Apply a thin coat of compressor oil to the new
seal [
C
] on the new element.
5. Install the new element [
A
] into place on the
filter seating [
B
].
6. Turn element clockwise until it seats snugly.
Rotate one more complete turn, using a
strap wrench if necessary.
7. Run the compressor and check for leaks.
8. Dispose of discarded filter and drained oil
within the guidelines of all applicable local,
regional and/or federal laws.
6.6.7 REPAIRING THE COMPRESSOR SHAFT SEAL
If the air compressor shaft seal requires servicing, order
shaft seal repair kit no. 270766.
The compressor belt and compressor drive sheave must
first be removed in order to access the seal components.
Refer to
Figure 6-9
, and the following procedure to
perform maintenance on the compressor shaft seal:
6.6.7.1 P
ART
I – R
EMOVING
THE
C
OMPRESSOR
S
ERPENTINE
B
ELT
1. With the truck/vehicle off and the ignition key
removed, open the front access panel.
2. Slightly loosen the four (4) capscrews [
L
]
enough to allow the compressor sheave (air
end) tensioner plate [
P
] to rotate/slide
counterclockwise [
Insert P1
] to its maximum
position allowed by the plate’s slots. This
maximum position will loosen the serpentine
belt [
F
] enough to be removed.
3. Remove serpentine belt [
F
].
TOOLS NEEDED
REPLACEMENT
PART(S)
Wrench - Size 6mm Hex
Head
Shaft Seal
Rebuild Kit No.
270766
Torque Wrench, 1/2” Drive
Clean Cloth
Puller Tool
