Robin LG072 Service Manual page 57

Off-load voltage is normal, but load cannot be operate
I
(Cause)
(Remedy)
R p m unadjusted
Operates if load is decreased. Overload
0
Adjust
0
Change load.
I K
4
Resistance nearly zero
I
AC plug checked
OK
Load shorted
+"-+
Resistance infinite
AC plug
wrong wiring
' - 1
Load defective
I
0
Correct.
0
Check and correct load.
0
Correct,
0
Check and correct load.
Generator insulation
I
~ ~ ~ l
defective
I
r
Generator overheat Cooling air n o t
t
Fan faulty; cooling
circulating weli air passage biocked
0
Check. Correc:. Replece.
OK
4
t o 6 - 1 3 R
Resistance not within range of
Slip ring defective
Brush defective
Slip rings checked? Slip ring defective
Brush defective
Not checked properly. Or, opera-
t i o n returns t o normal when A V R A V R defective
is replaced w i t h another one.
insufficient
See Engine Trouble-shooting
0
Clean. Replace.
0
Check. Replace.
0
Replace.
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