CUMMINS ONAN HGJA Series Generator Workshop Service Manual

This is a comprehensive workshop service and repair manual for Cummins Onan HGJA series generator sets. It also includes an application and installation guide for generator sets by Cummins Power Generation.

Applicable models for this manual are:

• 7.0 HGJAA/7.0 HGJAB/7.0 HGJAC/5.5 HGJAA/5.5HGJAB/5.5 HGJAC - 2-pole revolving field, 2-bearing, self-excited, 1-phase, vertical shaft, capped voltage regulation (gasoline models)
• 6.5 HGJAA/6.5 HGJAB/6.5 HGJAC/5.5 HGJAA/5.5 HGJAB/5.5 HGJAC - 2-pole revolving field, 2-bearing, self-excited, 1-phase, vertical shaft, capped voltage regulation (LPG models)
• 7.0 HGJAD/7.0 HGJAE/7.0 HGJAF/5.5 HGJAD/5.5 HGJAE/5.5 HGJAF - 2-pole revolving field, 2-bearing, self-excited, 1-phase, vertical shaft, capped voltage regulation (gasoline models)
• 6.5 HGJAE/6.5 HGJAF/5.5 HGJAE/5.5 HGJAF - 2-pole revolving field, 2-bearing, self-excited, 1-phase, vertical shaft, capped voltage regulation (LPG models)

The engine covered in this manual is a 653 cc air-cooled, 4-cycle spark-ignited, OHV, 90 V twin cylinder, vertical shaft engine.

The contents of this manual include safety precautions, table of contents, introduction, specifications, dimensions and clearances, torque specifications, preparing to service, engine primary systems, exhaust system, cooling system, ignition system, electric starter, crankcase ventilation, governor system, fuel system, control system, starting system, fault monitoring, instrumentation, battery charging, stopping system, generator system, brushes and rotor, stator and housing, voltage regulator, wiring harness, engine block assembly, piston and connecting rod, crankshaft and camshaft, cylinder head and valves, lubrication system, hydraulic pump, timing gears, governor mechanism, service checklist, and wiring diagrams.

This is a very comprehensive manual that features detailed exploded views and is used by technicians to fix engines. It covers step-by-step written procedures with pictures and diagrams that are fully printable. You will not be disappointed with this manual as it covers repairs, maintenance, and servicing. It is in electronic format for easy access.