Isuzu engine 4j series. Manual — part 86
6D3 – 2 CHARGING SYSTEM
Generator
6D3-2-1.tif
6D3-2-2.tif
CHARGING SYSTEM 6D3 – 3
CHARGING CIRCUIT
6D3-3-1.tif
6D3 – 4 CHARGING SYSTEM
DIAGNOSIS
GENERAL ON-VEHICLE INSPECTION
The operating condition of charging system is indicated by
the charge warning lamp. The warning lamp comes on
when the starter switch is turned on "ON" position. The
charging system operates normally if the lamp goes off
when the engine starts. If the warning lamp shows
abnormality or if undercharged or overcharged battery
condition is suspected, perform diagnosis by checking the
charging system as follows:
1. Check visually the belt and wiring connector.
2. With the engine in stop status, turn the starter switch
to "ON" position and observe the warning lamp.
•
If lamp does not come on:
Disconnect wiring connector from generator, and
ground the terminal "L" on connector side.
•
If lamp comes on:
Repair or replace the generator.
6D3-4-1.tif
CHARGING SYSTEM 6D3 – 5
ON-VEHICLE SERVICE
GENERATOR
REMOVAL
Preparation
•
Disconnect battery ground cable.
1. A/C Compressor Drive Belt (A/C Model)
•
Loosen the idler pulley lock nut
•
Loosen the adjust bolt and remove the drive belt.
2. A/C Compressor Assembly (A/C Model)
•
Disconnect the clutch harness connector.
•
Remove the A/C compressor fixing bolts and
temporarily tighten the A/C compressor to chassis
frame side use the wire.
6D3-5-1.tif
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