Air Burners, Inc.
T-400 Air Curtain Trench Burner with Kubota V3600-TE Engine
OPERATING MANUAL
Page 28 of 34
(Vers. 09.15)
Air Fan Belt Adjustment Bolt
“Krikit 2” Belt Tensioning Gauge
Procedure for Changing the Air Fan Drive Belts.
NOTE: Make sure that the engine is
switched off and the battery cut-off switch
open to preclude accidental starting of the
engine. Do not loosen any bolts on the
idler pulley assembly.
The drive belts are removed and installed by
hand. “Rolling” the belts is accomplished by
turning the PTO pulley and guiding the drive
belt on or off by hand. Do not loosen the idler
pulley as its tension is preset.
Caution: Take care not to pinch your fingers between the belt and the pulley.
Removal of the twin drive belts:
Remove the twin drive belts by “rolling” them off the PTO drive pulley, one at a time.
Installation of the twin drive belts:
1. Install the first belt over the fan pulley and the idler pulley.
2. By rotating the PTO pulley, “Roll” the first drive belt on to the PTO pulley.
3. Install the second drive belt over the fan pulley and the idler pulley.
4. Rotate the PTO pulley and “Roll” the second drive belt on to the PTO pulley.
INSTALLATION OF V-BELTS
For Air Fan and Engine Cooling System
Air Fan PTO Pulley &
Lower Tensioner Pulley
