OPERATION N9 MA. 530.0 :
Cbcc-king thv c)lcctrical com&r~cr~ts
Op. MA. 530.0
1
I. CHECKING THE OUTPUT OF THE ALTERNATORS
7
co
co
5
or, better still, using a combined
z
Connect up as per diagram; using
voltmeter V, ammeter A and rheostat,
,iiJ
(( voItmeter/ammeter/rheostat~~.
2
-
2
In order to measure the output of the alternator, progressively increase the engine speed, and actuate the rheostat
5
to maintain the voltage at 14 V.
E
-c
9
*
1. 12 V 80 Amp alternator :
PARIS-RHONE : A 14 R 11
Cut-in speed under voltage of 14 V
: 1100 rpm
( alternator speed )
Output, under voltage of 14 V
:
40 Amps at 1500 rpm
( alternator
j. 690 rpm
( engine )
69 Amps at 3000 rpm
( alternator
), 1375 rpm
( engine )
78 Amps at 6000 rpm
( alternator
). 2750 rpm
( engine )
80 Amps at 8000 rpm
( alternator
‘), 3670 rpm
( engine )
F
2. 12 V 53 Amp alternator : DUCELLIER 7584 and MOTOROLA 510-2
Cut-in speed under voltage of 14 V
: 1100 rpm
( alternator speed)
Output, under voltage of 14 V
z.21 Amps at 1480 rpm
( alternator 1
680 rpm
( engine )
46 Amps at 3300 rpm
( alternator
): 1510 rpm
( engine )
51 Amps at 6000 rpk
( alternator
) 2750 rpm
(engine )
53 Amps at 8000 rpm
( alternator
). 3670 rpm
( engine )
3. 12 V 72 Amp alternator :
PARIS-RHONE A 14 R 3, and MOTOROLA 510-4
Cut-in speed under voltage of 14 V
: 1100 rpm
( alternator speed)
Output, under voltage of 14 V
: 33
Amps at 1480 rpm
( alternator
). 680 rpm (
engine )
62 Amps at 3300 rpm
( alternator
1 1510 rpm ( engine )
70 Amps at 6000 rpm
( alternator
) 2750 rpm
( engine )
72 Amps at 8000 rpm
( alternator
1. 3670 rpm (
engine )
If these figures are not obtained, check alternator belt, and its tension. If these are correct, recondition alternator
To Next Page
Loading...
