Mitsubishi 4DQ5 Service Manual download pdf (Page 90)

Alternatively check four wire leads

the armature

coil for continuity with a tester

shown:

Checking

armature

there

no continuity between the wire leads,

an indication

that

the armature has open cir-

cuit. Replace the armature with a new one. Then,

check the armature for continuity between the

wire lead and core.

there

continuity, it

indication that there

a grounded circuit between

the wire and core.

this case, too, the armature

should be replaced.

(d) Brushes

Any brush which

worn beyond the service limit

should be replaced with a new one.

Wear

limit

line

J20198

7-3

Battery

Check the electrolyte level in the battery cells, making

sure

that

10 mm (5/16 in.) above cell plates. Check

the specific gravity

electrolyte.

below 1.260 at

20°C (68°F), prepare an electrolyte

1.260 specific

gravity and add it to the battery. A specific gravity below

1.190 means that the

battery

half discharged; in such

a case recharge the battery.

Checking

electrolyte

specific

gravity

-4

Glow

plugs

Connect the positive (+) lead to the portion A

the plug

with the portion B grounded to

see

the plug glows red.

The plug

in good condition if it glows red.

Checking

glow

plug

-86-

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Mitsubishi 4DQ5 Service Manual Page 90

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