SECTION 5: MAINTENANCE
AIR N ARC
®
I
-
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 50
090045-OP_r1
KEY
DESCRIPTION
KEY
DESCRIPTION
A
UPPER IDLER SHEAVE BOLT
G
2
DRIVE BELT: SMOOTH SIDE = OUTSIDE
B
UPPER IDLER SHEAVE
H
WELDER DRIVE PULLEY
C
TENSIONER PLATE (FOR UPPER IDLER)
J
AC GENERATOR PULLEY
D
TENSIONER PLATE ANCHOR SCREW
K
IDLER (LOWER - FOR COMPRESSOR UNIT
SHEAVE)
E
ANCHOR HOLE FOR TORQUE WRENCH
L
COMPRESSOR DRIVE BELT
I
F
TENSIONER PLATE ADJUSTMENT/SET BOLT
M
CLUTCH SHEAVE (FRONT: COMPRESSOR
DRIVE) & STUB SHAFT SHEAVE (REAR: GEN-
ERATOR/HYDRAULIC PUMP DRIVE)
G
GENERATOR/HYDRAULIC PUMP DRIVE BELT
G
1
DRIVE BELT: TRACTION SIDE = INSIDE
N
HYDRAULIC PUMP DRIVE SHEAVE
I
Compressor drive belt must be removed before maintenance can be performed on the generator/hydraulic pump drive
belt. Refer to
Section 5.4.3.2
for instructions on removing the compressor drive belt, for purpose of gaining generator
/ hydraulic belt access.
Order Generator / Hydraulic Pump Serpentine Belt Replacement no.
DR272436.
For Compressor Serpentine Belt
replacement, refer to
Section 5.4.3.2
.
Figure 5-7: Generator / Hydraulic Pump Serpentine Belt Replacement Positioning
M
K
G
1
N
G
2
G
1
G
2
G
2
G
1
G
H
G
J
M
N
H
BELT LAYOUT
J
B
M
K
N
L
N
G
1
K
G
2
M
A
B
C
D
E
F
B