544 656 Case IH Series Hydrostatic Drive Tractor H70 H80 — GSS-1397
TABLE OF CONTENTS:
SPECIAL SERVICE TOOLS REQUIRED
STANDARD TORQUE DATA FOR NUTS AND BOLTS
SPECIFICATIONS
- Speed Ratio Charts
PRINCIPLES OF HYDROSTATICS
- General
- How it Works
OPERATING PRINCIPLES
- Hand Controlled Models
- Foot Controlled Models
FAMILIARIZATION AND COMPONENT IDENTIFICATION
CONTROLLING THE TRACTOR (HAND CONTROLLED MODELS)
- High-Low Range Selector
- Speed-Ratio Control
- Foot-N-Inch Valce and Drive Control Valve
CONTROLLING THE TRACTOR (FOOT CONTROLLED MODELS)
- General
- Dump Valve
- Two Position Deceleration Valve
UNIT SERVICE
- Hydrostatic Transmission
SERVICING COMPONENTS
- Servi Cylinders
- Charge and Servo Pump
- Center Section Components
- Multiple Valve Body
- Drive Control Valve
- Foot-N-Inch Valve
RANGE TRANSMISSION AND MPH DRIVE
HYDRAULIC AND DIFFERENTIAL LUBRICATION CURCUITS
ADJUSTMENTS
- Hand Controlled Models
- Foot Controlled Models
TESTING AND TROUBLE SHOOTING
- General Information
- Checking Pressures and Charge Pump Flow
- Testing Other Components
- Trouble Shooting
SAFETY STARTING PROCEDURE
