Isuzu 4JH1 User Manual

ENGINE ELECTRICAL 6D – 1
SECTION 6D
ENGINE ELECTRICAL
TABLE OF CONTENTS
PAGE
Main Data and Specifications......................................................................................... 6D - 2
General Description ........................................................................................................ 6D - 3
Torque Specifications..................................................................................................... 6D - 5
Generator ......................................................................................................................... 6D - 7
Removal and Installation ............................................................................................ 6D - 7
Disassembly ................................................................................................................ 6D - 9
Inspection and Repair................................................................................................. 6D - 12
Reassembly ................................................................................................................. 6D - 18
Starter Motor.................................................................................................................... 6D - 22
Removal and Installation ............................................................................................ 6D - 22
Disassembly ................................................................................................................ 6D - 23
Inspection and Repair................................................................................................. 6D - 26
Reassembly ................................................................................................................. 6D - 29
Pre-heating System ......................................................................................................... 6D -33
Inspection and Repair................................................................................................. 6D -33
Glow Relay................................................................................................................... 6D -33
Glow Plug..................................................................................................................... 6D -33
EGR System................................................................................................................. 6D -33

Isuzu 4JH1 Specifications

General

Bore x Stroke	95.4 mm x 104.9 mm
Compression Ratio	18.5:1
Fuel System	Direct injection
Cylinder Configuration	Inline-4
Valves per Cylinder	4
Fuel Type	Diesel
Engine Type	Diesel, four-stroke
Displacement	3.0 liters
Maximum Torque	217 lb-ft (294 Nm) @ 1800 rpm
Oil Capacity	6.5 liters (with filter)