John Deere 6620, 7720, and 8820 Operator Station Repair - Technical Manual
Product Description
This is the "Operator's Station/Cab Repair" section from the 6620, SideHill 6620, 7720 , and 8820 technical manual. This section contains information on the air conditioning, heating, radio, and more.
Table of Contents
SPECIFICATIONS AND SPECIAL TOOLS
AIR CONDITIONING SYSTEM
- Compressor (Delco)
- General Information
- Removal
- Volumetric Efficiency Test
- Repair
- Compressor Hub and Drive Plate
- Compressor Shaft Seal
- Compressor Pulley and Bearing
- Clutch and Coil Housing
- Checking and Adding Compressor Oil
- Leak Testing Compressor
- Replacing Superheat Shutoff Switch
- Compressor Installation
- Compressor (Nippondenso)
- Removal
- Volumetric Efficiency Test
- Shaft Seal Leak Test
- Disassembly
- Assembly
- Installation
- Condenser, Receiver - Dryer, and Evaporator
- Condenser
- Receiver-Dryer
- Evaporator
- Regulator Controls
- Expansion Valve
- Temperature Control Switch
- Compressor Relief Valve
- High Pressure Switch
- Low Pressure Switch
AIR INTAKE (PRESSURIZER) SYSTEM
- General
- Blower and Controls
- Filters
HEATING SYSTEM
- Heater Valve
- Heater Core
- Heater Blowers
- Heater Pipes and Hoses
PERSONAL POSTURE SEAT
- General Information
- Armrest Assembly
- Cushions
MISCELLANEOUS COMPONENTS
- Glass and Moldings
- Cab Door Adjustments
- Cab Inner Roof Panels
- Headliner and Upholstery
- Radio, Tape Player and Windshield Wiper Motor
- Console Cover
- Removing Cab
- Installing Cab
Manual Details
Pages: 70
Years and Serial Numbers: Covers all years and serial numbers
Models: 6620, SideHill 6620, 7720 , and 8820
Years and Serial Numbers Covered: 1953
Make: John Deere
Manual Code: TM-1202
Manual Type: Technical Manual, Service Manual
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