Mitsubishi Heavy Industries S3L, Service Manual, Page: 25 / 200

GENERAL
1-9
Electri-
cal
system
Voltage - polarity 12V - negative (-) ground, 24V - negative (-) ground
Starter
Type M001T68281, M008T70471A, M008T81071A
Manufacturer Mitsubishi Electric Corporation
Pinion engage-
ment type
Pinion shift (reduction type)
Output 12 V - 1.7 kW, 12 V - 2.0 kW, 24 V - 3.2 kW
Number 1
Pinion/
ring gear ratio
13/120
Alternator
Type
Three-phase current generator,
integral with IC regulator
Manufacturer Mitsubishi Electric Corporation
Output 12 V - 50 A, 24 V - 25 A
Rated voltage
generating speed 5000 min
-1
(at 13.5 V, 47 A),
5000 min
-1
(at 27.0 V, 22 A)
Regulator adjust-
ing voltage
14.7 ± 0.3 V (12 V - 50 A), 26.5 ± 0.5 V (24 V - 25 A)
Glow plug
Type Sheathed
Rated voltage-
current
12 V 10.5 V - 9.7 A (30 second duration)
24 V 22.5 V - 5 A (25 second duration)
Stop
solenoid
Working voltage
Run off type
(ETS:Energized to stop)
12 V
10 to 15 V
or less
24 V
20 to 30 V
or less
Run off type
(ETR:Energized to rum)
12 V 8 V or less
24 V 16 V or less
Insulation resis-
tance
100 M
Ω
or more at DC 500 V megger
(normal temperature, normal relative humidity)
Stroke 13.5 ± 0.5 mm [0.532 ± 0.020 in.]
Table 1-1 Specifications (3 / 3)
Engine model S3L S3L2 S4L S4L2 S4L2-T