OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
4.5.2.6 Check and adjust fan tension
【Important】
Excessive tension on belt will
accelerate the wear-out of bearing and
belt. Loose belt may cause incomplete
battery charging, engine overheating,
belt abnormality and premature
wear-out.
1) Press at a point midway between fan
belt pulley and engine belt pulley to
check fan belt tension.
2) The deflection A should be 8-12mm,
when the pressing with a pressure of
10kgf（98N）.
3) If the tension is not within specific
range, loosen bolts on adjust plate and
engine bracket, move engine until
proper tension value is reached.
4) Tighten the bolts on adjust plate and
engine bracket.
Note: Please replace belt if
necessary.
With new belt installed, make sure to
run engine at low speed for 3-5 minutes.
Next, check and adjust belt tension to
ensure that belt is position properly.
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