Mitsubishi L2E Service Manual

136 / 155
Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
ENGLISH
ALTERNATOR AND DYNAMO ELECTRICAL SYSTEM
2. Inspecting the regulator alone
To judge if the regulator itself is acceptable or not,
check the regulator for normal continuity by
connecting the circuit tester to the lead wires as
follows:
33.10.3 Installation
Heat tremendously affects the regulator and the
rectifier. Therefore it is necessary to install them in a
well-ventilated area. reassemble the regulator in the
proper direction by positioning the head of the outlet
leads downward.
Figure 147 Lead outlet coupler
Blue lead
Red lead
Yellow lead
Green lead
Blue lead
Black lead
Item
Normal
measure
-ment
If abnormal
– possible
cause of
regulator
trouble
Tester (+) Tester (–)
Red Blue 1
Continuity Broken diode
Red Blue 2
Blue 1 Black
Blue 2 Black
Blue 1 Red
Non-
continuity
Shorted diode
Blue 2 Red
Black Blue 1
Shorted diode
or thyristor
Black Blue 2
Table 52 Inspection of the regulator
NOTE
For testing, use an ohmmeter as the circuit tester.

Mitsubishi L2E Specifications

General

Engine Model	L2E
Number of Cylinders	2
Starting System	Electric starter
Lubrication System	Forced lubrication by trochoid pump
Cooling System	Water-cooled