John Deere 6620, SideHill 6620, 7720 and 8820 Combine "Engine Operation and Tests" - Technical Manual
Product Description
This is the "engine operation and tests" section of the John Deere 6620, SideHill 6620, 7720 and 8820 combine technical manual.
Table of Contents
Specifications and Special Tools
- Specifications
- Special Tools
System Operation
- Cooling System
- Lubrication System
System Tests and Diagnosis
- Engine and Combine Break-in
- Diagnosing Engine Malfunctions
- Testing Compression Pressure
- Checking Camshaft-Oil Pump Gear Backlash
- Checking Valve Lift
- Checking Valve Clearance
- Checking Crankshaft End Play
- Checking Damper Run-out
- Checking Oil Clearance
Manual Details
Pages: 14
Years and Serial Numbers: Covers all years and serial numbers
Models: 6620, SideHill 6620, 7720 and 8820 Combines
Make: John Deere
Manual Code: TM-1202
Manual Type: Technical Manual
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