AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: MAINTENANCE
090034-OP_r0
PAGE - 95
6.6.14.2 REPLACING THE AIR COMPRESSOR
SERPENTINE DRIVE BELT
To replace the air compressor serpentine belt consult
Figure 6-17
and the following procedure:
1. With the machine off and the truck off, open
and remove the access panel.
2. Position and route the new air compressor
serpentine belt as shown in
Figure 6-17
,
TOOLS NEEDED
REPLACEMENT
PART(S)
Socket Wrench - Size 6 mm
Hex Head (for Tensioner
Plate Bolts)
Serpentine Belt
No. DR27584
Torque Wrench, 1/2” Drive
Ratchet, 1/2” with Extension
KEY
DESCRIPTION
KEY
DESCRIPTION
A
TENSIONER PLATE MOUNTING AND
ADJUSTMENT BOLTS
E
Loosen bolts to allow tensioner plate to pivot man-
ually to achieve new belt-tensioned position.
B
IDLER
F
Pivot plate by applying torque wrench to tension-
ing hole.
C
TENSIONER PLATE
G
Belt tension adjustment should be verified using a
tension tester.
D
TENSIONING HOLE
Figure 6-16: Compressor Serpentine Belt Re-tensioning
A
B
C
D
F
E
G