Cooling Fan Belt Adjustment Guide

Product Overview

This detailed guide provides step-by-step instructions for adjusting the cooling fan belt in your engine. Proper maintenance of the cooling fan belt ensures optimal performance and prevents potential engine overheating. Follow these instructions carefully to maintain the necessary tension and functionality of the belt.

Key Features

• Comprehensive instructions with necessary steps for belt adjustment.
• Method to measure belt flex and tension using precise instruments.
• Guidelines for setting correct belt tension to enhance engine efficiency.
• Included visual aid for ease of understanding: Cooling Fan Image.

Benefits

• Ensures proper cooling of the engine by maintaining the correct tension of the cooling fan belt.
• Prevents costly engine repairs associated with overheating due to belt failure.
• Easy-to-follow steps make it accessible for both novices and experienced technicians.

Usage Recommendations

• Step 1: Loosen the adjust plate lock bolt and the mounting bolt located at the generator’s bottom.
• Step 2: Adjust the belt by turning the adjust bolt.
• Step 3: Apply a load of 98 N (22 lb) to the specified belt position to inspect belt flex.
• Step 4: Use a sonic tension meter to verify if the precise tension is achieved:
  • Amount of deflection for a new belt: 4.2 – 5.0 mm (0.1654 – 0.1969 in).
  • When adjusting: 6.6 – 7.4 mm (0.2598 – 0.2913 in).
  • Frequency of vibrations for a new belt: 220 – 244 Hz.
  • When adjusting: 182 – 206 Hz.

Important Components

• 1. Crankshaft pulley
• 2. Installation bolt
• 5. Lock nut
• 6. Fan pulley