Tightening The Fan Belt - Lincoln Electric SHIELD-ARC SVM128-A Service Manual

D-8

TIGHTENING THE FAN BELT:

loosen after the first 50 hours of operation. If the fan
belts are loose, the engine can overheat and the bat-
tery can lose its charge. Check belt tightness by press-
ing on the belt midway between the pulleys. The belt
should deflect no more than 10 mm (0.375 in.). See
Figure D.6.
To adjust the fan belt, do the following:
1. See Figure D.6. Loosen the pivot fasteners of the
alternator (1) and the adjustment link fasteners (2).
MAINTENANCE
Fan belts tend to 2. Change the position of the alternator to give the cor-
3. Check the belt tension again to ensure that it is still
If a new belt is fitted, the belt tension must be checked
again after the first 25 hours of operation.
FIGURE D.6 – TIGHTENING THE FAN BELT
SA-250
rect tension. Tighten the pivot fasteners of the alter-
nator and the adjustment link fasteners.
correct.
1
2
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