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40 AC-Series Operator’s Manual-E/F
ADJUST BELT TENSION -
AC-2500GH & AC-3500GH ONLY
NOTE: Check/adjust belt tension after every 25 hours of
use.
1. Twist locking screw (A) 1/4 turn and lift off belt guard.
2. Inspect belts for wear, cracks or fraying. Replace belts
if damaged.
3. Loosen the four bolts (A) holding pump mounting
bracket to chassis.
4. Tighten adjusting cap screw (B) to take slack out of
belt.
5. In the four-bolt pattern that holds the pump mounting
bracket to chassis, rst tighten mounting bracket corner
bolt which is closest to both the motor and the belts.
(Right rear bolt in illustration.)
6. Continue tightening adjusting cap screw (B) until
pulleys are aligned parallel to straightedge (C), and
13mm (1/2 inch) deection occurs at belt midpoint (D)
when belt is depressed with nger.
NOTE: Process may have to be repeated several times to
maintain pulley alignment while producing 13mm
(1/2 inch) belt deection.
7. Tighten all four pump mounting bracket bolts (A).
8. Install guard.
PIC105-102299R0
PIC104-101599R0
PIC106-102299R0
A
Service
B
A
A
D
C