Centinel System – Repair Manual – 009-053   Belt Tensioner, Refrigerant Compressor, Automatic

WARNING  Tensioner is spring loaded. Do not attempt to disassemble the tensioner. Severe bodily injury can result.

With the tensioner installed on the engine, pivot the tensioner through the full range of motion. Tensioner must move with resistance while pivoting the tensioner away from the belt. If no resistance, replace tensioner.

If this check is okay, check the belt part number. Make sure that the belt is correct for this refrigerant compressor option.

Check the tensioner pulley and body for cracks. If cracks are found, replace the tensioner.

Spin the tensioner pulley. The pulley must spin freely. If not, replace the tensioner.

• Remove the fan drive belt. Refer to Procedure 008-002.
• Remove the refrigerant compressor belt. Refer to Procedure 009-052.

Remove the mounting capscrew and the refrigerant compressor belt tensioner from the bracket.

Install the refrigerant compressor belt tensioner.

Install and tighten capscrew.

• Install the refrigerant compressor belt. Refer to Procedure 009-052.
• Install the fan drive belt. Refer to Procedure 008-002.