Caterpillar 4G63, 4G64, 6G72 LPG Engine Fuel System Service Manual Supplement
76 pages · Publication 99729-85100
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- Models
- 4G63, 4G64, 6G72
- Serial coverage
- 4G63 / 4G64: AA0001-ZZ9999
- 6G72: 0A0001-0Z9999
- Manual type
- Service Manual Supplement
- Pages
- 76
- Publication
- 99729-85100
- Condition
- Brand new
What's inside
From the manual's own table of contents: 34 topics. See sample pages (PDF, 315 KB)
- Types of LP-gas
- Guideline for selecting LP-gas for lift-truck engines
- LP-gas knock rating and octane number
- Adverse effects of olefins on LP-gas fuel system
- and normal butane
- Structure and Function
- 1.Outline of LP-gas device
- 2.LP-gas device layout
- 3.Main component structures
- LP-gas tank
- Pressure relief valve
- Fixed liquid level gauge
- Service valve (LP-gas outlet valve)
- Fuel level indicator
- Filter (Vacuum fuel lock filter)
- Hydrostatic relief valve
- Converter (vaporizer) and LP-gas carburetor
- Converter (vaporizer)
- 3.4..2. LP-gas carburetor
- Actions to be taken in the event of a failure
- Troubleshooting
- Disassembly and reassembly
- 1.Main components of LP-gas device (4G63, 4G64)
- 2.Main components of LP-gas device (6G72)
Show all 34 topics
- 3.Disassembly and reassembly of LP-gas carburetor /mixer
- 4.Disassembly and reassembly of converter/regulator (vaporizer)
- 5.Disassembly and reassembly of LP-gas filter, Fuel lock
- Inspection and adjustment
- 1.LP-gas tank inspection
- 2.Filter inspection
- 3.Converter (vaporizer) inspection and adjustment
- 4.Idle speed adjustment
- 5.Output power adjustment
- 6.Gas leak check procedure
Inside this manual
Real pages from this service manual supplement (76 pages). Open the sample pages (PDF, 314 KB)
- Diagram, page 8: Vacuum System Diagram and Wiring Schematics
- Specifications, page 58: 4. Throttle and Governor Operation:
- Troubleshooting, page 65: TROUBLESHOOTING
- Color page, page 50: STRUCTURE AND FUNCTION
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 76 pages
Quantity one is the manual described above.
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60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).