Maintenance and Care
MAN Industrial Diesel Engines D2848/40/42 LE201/203/211/213
69
Carefully read the Operating Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
Set tension and change V-belts
Alternator - top
1. Loosen mounting bolt (1)
2. Loosen jam nut (2)
3. Set adjustment nut (3) until belt has the correct
tension
4. Retighten jam nut and mounting bolt
To change belt loosen adjustment nut (3) and swi
vel alternator to the inside.
1 1
2
3
1
Alternator - lower right
1. Loosen mounting bolt (1)
2. Loosen jam nut (2)
3. Set adjustment nut (3) until belt has the correct
tension
4. Retighten jam nut and mounting bolt
To change belt remove fan, loosen adjustment nut
(3) and swivel alternator to the inside.
1
1
231
Crankshaft - Coolant pump - Tensioner pulley
1. Loosen mounting bolt (1).
2. Loosen jam nut (2).
3 Set adjustment nut (3) until belt has the correct
tension.
4. Retighten jam nut and mounting bolt.
To change belt remove fan, loosen adjustment nut
(3) and swivel tensioner pulley to the inside.
2 3
1
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