Yanmar 3YM20, Руководство по обслуживанию

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12. Electrical System
192
12.4.5 Inspection
(1) V belt inspection
1) Inspect the matter whether there are not crack,
stickiness and wear on the belt visually.
Check that a belt doesn't touch the bottom part of
the pulley groove. If necessary, replace the V belt
set.
2) V belt tension :
(Refer to 2.2.2.(4) in Chapter 2.)
(2) Visual check of wiring and check of unusual
sound
1) Confirm whether wiring is right or there is no
looseness of the terminal part.
2) Confirm that there is no unusual sound from the
alternator during the engine operation.
(3) Inspection of charge lamp circuit
1) Move a start switch to the position of on. Confirm
lighting of the charge lamp.
2) Start an engine, and confirm the lights-out of the
lamp. Repair a charge lamp circuit when a lamp
doesn't work.
(Inspection of V pulley)
Normal
Clearance
Defect