SECTION 6: MAINTENANCE
AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 92
090010-OP_r0
5. Replace the washer [
D
] and nut [
A
]. Tighten
the nut securely.
6.5.16.3 RE-TENSIONING THE GENERATOR
SERPENTINE BELT
To re-tension the generator serpentine belt, consult
Figure 6-19
and the following procedure:
1. With the machine off and the ignition key
removed, open and remove the front panel.
2. Locate the generator belt idler sheave [
A
] on
the generator tensioner plate [
B
]. Loosen,
but do not remove, the tensioner plate
mounting and adjustment bolt [
C
]. Loosen
enough to allow the tensioner plate to pivot
while still retaining belt path position.
3. Vanair recommends rotating the tensioner
plate to its maximum position.
4. Once the position is achieved that accounts
for a satisfactory tension in the belt, torque
the bolt [
C
] to 12 ft-lbs (16.3 Nm) to secure
the tensioner plate [
B
] into position.
6.5.16.4 REPLACING THE GENERATOR
SERPENTINE DRIVE BELT
To replace the generator serpentine belt consult
Figures
6-18
,
6-19
and
6-20
, and the following procedure:
1. With the machine off and the ignition key
removed, open and remove the front access
panel.
TOOLS NEEDED
REPLACEMENT
PART(S)
Wrench - Size 3/8”
Not Applicable
Tension Tester
TOOLS NEEDED
REPLACEMENT
PART(S)
Wrench - Size 15/16” (for
Tensioner Plate Bolts)
Serpentine Belt
No. DR98202
Tension Tester
Socket Wrench - Size 3/4”
NOTE
After replacing the serpentine belt, the
belt will need to be checked for proper
tension. Consult
Section 6.5.15.1
on how
to check and adjust the air compressor
serpentine belt tension.
