Vanair 050817 - Replacing the Generator Serpentine Drive Belt

AIR N ARC
®
200 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: MAINTENANCE
090019-OP_r0 PAGE - 87
6.5.7.10 REPLACING THE GENERATOR
SERPENTINE DRIVE BELT
In order to replace the generator serpentine belt, the
compressor belts will need to be removed. Consult
Section 6.5.7.3, Steps #3 and #4 to remove the
compressor belts.
To replace the generator serpentine belt, refer to
Figures
6-17
and 6-18, and the following procedure:
1. With the machine off, the ignition key
removed, and the compressor v-belts
removed, the worn generator serpentine belt
can now be replaced.
2. Loosen the generator belt by performing the
procedure given in
Section 6.5.7.9, Re-
Tensioning the Generator Serpentine Belt
.
By loosening the tensioner plate bolt (item
[
C] in Figure 6-17), and pivoting the
generator idler sheave (item [
A] in Figure 6-
17
) to its maximum position, the generator
belt will be loose enough to remove from the
generator and engine drive pulleys.
TOOLS/ITEMS NEEDED
REPLACEMENT
PART(S)
Wrench - Size 3/8” Serpentine Belt
No. DR62184
Tension Tester
TABLE 6B: MEASURING BELT DEFLECTION
SPAN LENGTH (in) DEFLECTION
DISTANCE (in)
DEFLECTION FORCE (lbs)
ALL RIBS TORQUE TO IN-LB TENSION
RE-TENSION NEW INSTALL RE-TENSION NEW INSTALL
14.286 0.223 10.725 17.074 51 79
P
F
c
q
P - Span Length
c - Center Distance
F - Deflection Force
q - Deflection Distance
WARNING
Relieve pressure from the compressor
system before performing maintenance
on any components.
WARNING
Before performing maintenance or repair
operations on the machine, ensure that
all power has been removed and locked
out to prevent accidental start-up.