ATTACHMENTS AND OPTIONS AIR CONDITIONER Every 250 Hours Maintenance 0. Air Conditioner Compressor Belt Tension - Inspect/Adjust 0. Inspection 0. The belt should deflect 5 to 6 mm (0.197 to 0.236 in) when pressed with a finger force of approx. 58.8 N (6 kgf, 13 lb) at a point midway between the idle pulley and compressor pulley. Adjustment 0. Adjust the belt tension with adjustment nut (2) of idle pulley (1). 1. Open the engine hood and loosen nut (3). 2. Adjust with adjustment nut (2) so that the deflection of the belt is 5 to 6 mm (0.197 to 0.236 in) (approx. 58.8 N (6 kgf, 13 lb)). 3. Tighten nut (3) to hold idle pulley in position. 4.
Check for damage to the pulleys, and wear of the V-groove and V-belt. Be particularly careful to check that the V-belt is not in contact with the bottom of the V-groove. 5. Replace the belt if it has stretched, leaving no allowance for adjustment, or if it is cut or cracked. 6. When the new V-belt is installed, readjust it after the first hour of operation. 6-9