Pajero II Workshop Manual 1991 · Электрооборудование двигателя · страница 8 из 54 · Открыть оригинал PDF ↗

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(6) Connect a tachometer. (For the procedure tor connect-
ing the tachometer,refer to GROUPService
Adjustment Procedures

Reconnect the negative battery cable

8)Leave the hood open

'9) Start the engine

(10) With the engine running at 2500 r/min, turn the
headlamps and other lampsonand off to adjust the
alternator loadso that the value displayedon the
ammeter is slightly above 30A.
Adjust the engine speed by gradually decreasing
until the value displayed on the ammeter is 304. Take
reading of the value displayedon the voltmeter at
this time,

Limit value:Max. 0.3 V

NOTE

(11) If the value displaved on the voltmeter is above the
limitvalue; thereis probablya malfunctionin the
alternator output wire,so check the wiring between
the alternatorB" terminal and the battery (+) terminal
(including fusible link)

If a terminal is not sufficiently tight or if the harness
has become discolored due to overheating: repair and
then test again.

(121 After the test, run the engine at idle.

(13) Turn off all lamps ad turn the ignition switch to the
OFF position:

(14) Disconnect the negative battery cable.

(15) Disconnect the ammeter , voltmeter and tachometer.

(16) Connect the alternator output wire to the alternator
"B" terminal.

(17) Connect the negative battery cable.

Whenthe alternator output is high and thevalue
displayedon the ammeter does not decrease until
30A set the value t0 40ARead the value displayed
on the voltmeter at this time

In this case the limit value becomes max 0.4V.

OUTPUT CURRENT TEST

This test determines whether the alternator outputs normal

current

(11Before the test; always be sure t0 check the following
Alternator installation
Battery (Refer to GROUP 54Battery )

NOTE

The battery to be used should be slightly discharged.
Theload in a fully-charged battery will be insufficient
andthe test may notbe abletobecarriedout
correctly

Alternator drive belt tension (Refer to GROUP 11
Service Acjustment Procedures
Fusiblelink

Abnormalnoise fromthealternatorwhile the
engine iS running

(2)Turn the ignition switch to the OFF position

(3)Disconnect the negative battery cable

(4)Disconnect the alternator output wire from the alter-
nator "B'terminal and connecta DC test ammeter

withrange of 0-1OOA in series between the'B"
terminal and the disconnected output wire. (Connect
the (+) lead of the ammeter t0 the "8" terminal, and
thenconnect the (_ ) leadof theammeterto the
disconnected output wire )

Caution

Neveruse clipsbut tightenboltsandnutsto
connect the line_Otherwirelooseconnections
(e.g.usingclips) will lead toserious accident
because of high current:
NOTE

A clamp-type ammeter which enables measurements
tobetakenwithout disconnectingthe alternator
output wire should be recommended

(51Connect a voltmeter with a range 0f 0-20 V between
the alternator "B" terminal and the earth (Connect the
(+) lead of the voltmeter t0 the "B" terminal, and then
connect the (_) lead of the voltmeter t0 the earth )

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