Redwood Global Ltd - ST6P
Operator and Maintenance Manual
Chapter 5: Maintenance
5.12 ADJUSTING THE MAIN BELT TENSION
The flywheel V belts must be checked for tension and condition. If any belt shows signs
of wear, surface damage, shredding, excessive glazing, or have been stretched to their
limit, they must be replaced.
Multiple belt drives must have all belts replaced at the same time. Belts that are too
loose will cause poor cutting performance, excessive belt and pulley wear.
To check the main belt tension and adjust it if required, do the following procedure.
1. Stop the engine.
2. Remove the key from the ignition and keep in a safe place.
3. Open the bonnet.
4. Locate the main belt tensioner (1, Figure 63).
Figure 63 - Main belt tensioner
5. For the main belts, check the belt tension.
The deflection should be the width of one belt.
Figure 64 - Correct main belt tension
a. Using a suitable tool, loosen the main tension bolt (1, Figure 65).
12-00-001 v4.0 92
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