AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: MAINTENANCE
090012-OP_r0
PAGE - 95
Deflection
for the proper tension
measurement.
4. Once a position is achieved that accounts for
a satisfactory tension in the belt, torque the
four (4) tensioner plate bolts [
A
] to 12 ft-lbs
(16.3 Nm) to secure the tensioner into
position.
6.6.15.2 REPLACING THE AIR COMPRESSOR
SERPENTINE DRIVE BELT
To replace the air compressor serpentine belt consult
Figures 6-19
and
6-20
, and the following procedure:
1. With the machine off and the ignition key
removed, open and remove the access
panel.
2. Locate the clutch retaining cable ([
F
] in
Figure 6-19
) secured to the base floor of the
machine near the clutch apparatus of the
engine.
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
TABLE 6B: MEASURING BELT DEFLECTION
I
SPAN LENGTH (in)
DEFLECTION
DISTANCE (in)
DEFLECTION FORCE (lbs)
ALL RIBS
TORQUE TO IN-LB TENSION
RE-TENSION
NEW INSTALL
RE-TENSION
NEW INSTALL
17.91
0.25
12.000
18.5
53
81
I
All measurements given are estimations.
P
F
c
q
P - Span Length
c - Center Distance
F - Deflection Force
q - Deflection Distance
