Re-Tensioning The Generator / Hydraulic Pump Serpentine Drive Belt - Vanair AIR N ARC I 300 SERIES Operation Manual

SECTION 5: MAINTENANCE
A
B
C
3. Unfasten the clutch retaining cable by
removing the retaining cable bolt [ D ],
lock washer [ E ], washer [ F ], and
harness cable clamp [ G ] securing the
cable to the floor. The harness cable
does not have to be removed from the
clamp. Retain parts for reassembly.
COMPRESSOR DRIVE BELT
REMOVAL AND REPLACEMENT
1. Loosen the compressor belt as
instructed in steps #1 and #2 in
Section 5.4.3.1 . When belt is loose
enough to clear the sheave(s) remove
the belt.
2. Position and route a new air
compressor serpentine belt [ B ] onto
the proper driver tracks as shown in
Figure 5-5 , making sure that it goes
on the outside driver of the double
sheave track of the engine clutch
assembly, closest to the face plate of
the clutch. Also note that the textured
side of the drive belt goes on the
inside of the belt for traction with the
drive pulleys.
3. ( Figure 5-4 ) Reposition the clutch
retaining cable [ H ], harness cable
PAGE - 48
AIR N ARC
E
D
Figure 5-5: Compressor Serpentine Belt Positioning
090045-OP_r1
®
I-300 SERIES ALL-IN-ONE POWER SYSTEM
KEY DESCRIPTION
A ENGINE CLUTCH ASSEMBLY
B
AIR COMPRESSOR SERPENTINE BELT
COMPRESSOR UNIT IDLER SHEAVE
C
D AIR COMPRESSOR DRIVE SHEAVE
E GENERATOR SERPENTINE BELT (ref)
I
Compressor drive belt tracks on the outside
clutch sheave track.
Order Compressor Serpentine Belt Replacement
no. DR27584. For Generator / Hydraulic Pump
Belt replacement refer to Section 5.4.3.4.
A B
clamp (with harness wire intact) [ G ],
washer [ F ], lock washer [ E ] and
retaining cable bolt [ D ] into proper
anchoring hole in the frame base.
Tighten the bolt securely.
5.4.3.3 RE-TENSIONING THE
GENERATOR / HYDRAULIC PUMP
SERPENTINE DRIVE BELT
To re-tension the generator / hydraulic pump
serpentine belt, consult Figure 5-6 and the
following procedure:
1. With the machine off and the ignition
key removed, open and remove the
front panel.
2. Locate the generator tensioner plate
[ C ]. Using a 3/4" socket wrench,
loosen, but do not remove, the
tensioner adjustment/set bolt [ F ] and
anchor bolt [ D ] to allow the tensioner
plate to pivot.
3. Place a torque wrench fitting into the
anchor hole [ E ], and adjust the plate to
a reading of 65 ft-lbs.
4. Without relieving pressure on the
torque wrench, tighten the adjustment/
I
C D
®