Belt - Inspect; Belt Tensioner - Check - Perkins 1206A-E70TTA Operation And Maintenance Manual

72
Maintenance Section

Belt - Inspect

4. Clean all disconnected connection and battery
terminals.
5. Use a fine grade of sandpaper to clean the
terminals and the cable clamps. Clean the items
until the surfaces are bright or shiny. DO NOT
remove material excessively. Excessive removal
of material can cause the clamps to not fit
correctly. Coat the clamps and the terminals with a
suitable silicone lubricant or petroleum jelly.
6. Tape the cable connections in order to help
prevent accidental starting.
7. Proceed with necessary system repairs.
8. In order to connect the battery, connect the
positive connection before the negative connector.
Belt - Inspect
Illustration 33
Typical example
To maximize the engine performance, inspect the
belt (1) for wear and for cracking. Replace the belt if
the belt is worn or damaged.
• Inspect the belt for cracks, splits, glazing, grease,
displacement of the cord and evidence of fluid
contamination.
The belt must be replaced if the following conditions
are present.
• The belt has a crack in more than one rib.
• More than one section of the belt is displaced in
one rib of a maximum length of 50.8 mm (2 inch).
To replace the belt, refer to Disassembly and
Assembly, "Alternator Belt - Remove and Install". If
necessary, replace the belt tensioner. Refer to
Disassembly and Assembly, "Alternator Belt -
Remove and Install" for the correct procedure.

Belt Tensioner - Check

i07318340
Illustration 34
Typical example
Remove the belt. Refer to Disassembly and
Assembly, "Alternator Belt - Remove and Install".
1. Ensure that the belt tensioner is securely installed.
Visually inspect the belt tensioner (1) for damage.
Check that the pulley on the tensioner rotates
freely and that the bearing is not loose.
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