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Cummins HGJAA-HGJAF ONAN Generator Service Manual PDF | 2018
Cummins HGJAA-HGJAF ONAN Generator Service Manual PDF | 2018
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CUMMINS 2018
ONAN HGJAA-HGJAF • Service Manual
This downloadable PDF contains the digital service manual for the 2018 Cummins Onan HGJAA-HGJAF generator series. Covering all six model variants in this lineup, this provides detailed procedures to diagnose, maintain, and repair these generators to technical specifications.
- Adobe Acrobat (PDF) format
- Fully searchable
- Easily print any or all content
- Everything needed to repair & maintain your generator
- Troubleshooting instructions, wiring diagrams, and reference material
Models Covered
- HGJAA
- HGJAB
- HGJAC
- HGJAD
- HGJAE
- HGJAF
Table of Contents (202 Pages)
- SAFETY
- ABOUT
- GENERAL
- PERIODIC MAINTENANCE
- PREPARING FOR SERVICE
- CONTROL
- GENERATOR
- FAN, DRIVE BELT, FLYWHEEL, IGNITION AND EXHAUST
- FUEL SYSTEM
- ENGINE
What's Included
- Complete engine disassembly and assembly procedures
- Fuel, governor, and carburetion system service
- Electrical, ignition, and charging system diagnostics
- Cooling system inspection and maintenance
- Stator, rotor, and alternator servicing
- Control board testing and fault recovery
- Troubleshooting charts and diagnostic workflows
- Technical specifications and torque tables
- High-resolution wiring and system diagrams
- Fan and drive belt replacement procedures
- Flywheel inspection and service
Features
- Searchable and printable PDF
- High-resolution diagrams and schematics
- Works on PC, Mac, tablet, and mobile devices
- Important: This is a digital PDF manual. No paper book will be provided.
Don't See What You Need?
- We maintain thousands of reference guides.
- Message us. We can point you to the correct listing or post the one you're looking for.
Buy With Confidence
- Thousands of satisfied customers
- Fast access to digital download
- Reliable post-sale support
- 60-day worry-free returns
- Consistent 5-star feedback and repeat buyers
- If you have any questions about compatibility, model coverage, or what this manual includes, message us anytime. We pride ourselves on exceptional customer service and can provide expert support on all products we sell.
What Our Customers Are Saying
- Better than the hard copy I had.
- Less than 5 minutes after purchase I had already downloaded my manual. Great service.
- This was a life saver for a piece of equipment I bought that did not have the manuals.
- The manual was just what I needed to fix the problem with my lower unit.
- Great customer service. My manual wasn't showing all the pictures and it turned out to be my PDF viewer. The seller helped me determine the problem and get it fixed.
- Exactly what I needed. Zero complaints.
- Treasure trove of information. Thank You.
- Received my repair manual as described — super easy. Will be nice to have detailed instructions for my machine.
Frequently Asked Questions
Q: What does this manual cover?
A: It covers the models and years listed above. Review the Models Covered and Table of Contents sections for the exact included material.
Q: How do I receive this manual?
A: You will receive a download link in your email immediately after purchase. The download link will also appear on your checkout page. No physical item is shipped. The PDF works on any PC, Mac, tablet, or phone and requires free Adobe Acrobat Reader.
Independent Supplier Notice
DAL Manuals is an independent digital manual supplier. Brand names and model designations are used only to identify manual compatibility. DAL Manuals is not affiliated with, endorsed by, or sponsored by any manufacturer named on this page.
Shipping & Returns
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- Instant Digital Delivery
Returns
- If you're not fully satisfied, simply contact us for a no-hassle refund.
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leehileman2013 Once understood. Awesome. Buy.
(Originally posted on our eBay store)