MMD Equipment 100S-6B4 - Manual (Page 26)

2. Operation
2-11
2.6.9 Check V-Belt Tension
Too tight belt tension could damage shaft and shorten bearing life. Too loose belt tension may result in
damaging belt earlier and machine components due to overheat.
Follow the procedure below to adjust tension of fan belt and V-belt for alternator.
[PDS100S,130S-6B4]
(Procedure)
① Adjust the tension by gradually loosening the fastening bolt
of the alternator.
② Visually check if there are any cracks or tears in the belt.
③ Loosen the fastening bolt of the alternator until the play of
the belt reaches 0.2 to 0.3 in. (6.0 to 8.0 mm) when pushed
by fingers, and adjust it.
④ Be careful not to leave any grease or LLC * on a belt while
changing it. If any such material is left, wipe it off
completely.
* Long life coolant
[PDS185S-6B4]
(Procedure)
① Adjust the tension by gradually loosening the fastening bolt
of the alternator.
② Visually check if there are any cracks or tears in the belt.
③ Loosen the fastening bolt of the alternator until the play of
the belt reaches 0.32 to 0.45 in. (8.0 to 12.0 mm) when
pushed by fingers, and adjust it.
④ Be careful not to leave any grease or LLC * on a belt while
changing it. If any such material is left, wipe it off
completely.
* Long life coolant
H000041E-2
0.2 to 0.3in.[110bf(49N)]
H000041E-2
0.32 to 0.45in.[22lbf(98.1N)]