SWDM240B OPERATION & MAINTENANCE MANUAL
Manual inspection method: Press down with fingers (strength about 6kg) at the belt center of
drive pulley and air compressor pulley (FIG..7-5-5), deformation is about 5 to 8 mm.
FIG.. 7-5-5 Air compressor belt
Tensiometer: check the air compressor belt with a tensiometer. The tension of a new belt is
637±108 N, a used belt is 441±88.2 N .
If only looseness is found, please adjust the tension device for the belt. If damage is found,
please replace with a new belt of the same specification.