Belt Tension Inspection
m2 mm 01.01.002
Engine drive belts on the Mercedes-Benz and Caterpillar engines have belt tensioners that automatically adjust the tension on the belt. These belts do not require adjustment.
Caterpillar 3126 Engine
Inspect the belt tensioner for unusual noise and excessive looseness or shaking of the pulley bearings. See Fig.. If the belt tensioner requires disassembly, refer to the engine service manual.
Fig. 1, Belt Tensioner on Caterpillar 3126 Engine
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