Podcast
Questions and Answers
What are the main parts of a hydro-mechanical transmission?
What are the main parts of a hydro-mechanical transmission?
Main parts include housing assembly, input transfer gearing, torque converter, planetary gear box, differential steering mechanism, output planetary trains, stop brakes, and hydraulic system.
What components are included in the hydraulic system of a transmission?
What components are included in the hydraulic system of a transmission?
The hydraulic system includes a hydraulic torque converter and other hydraulic components necessary for operation.
Which type of steering mechanism is found in the M60-A3 vehicle?
Which type of steering mechanism is found in the M60-A3 vehicle?
The M60-A3 vehicle utilizes a steering mechanism of the mechanical combined type.
What type of steering mechanism does the M1-A1 vehicle have?
What type of steering mechanism does the M1-A1 vehicle have?
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What is the purpose of the differential steering mechanism in a transmission?
What is the purpose of the differential steering mechanism in a transmission?
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What are the functions of the input transfer gearing in a transmission?
What are the functions of the input transfer gearing in a transmission?
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What are the different ranges provided by the planetary gear box in a transmission?
What are the different ranges provided by the planetary gear box in a transmission?
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What is the role of the housing assembly in a transmission system?
What is the role of the housing assembly in a transmission system?
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Why is the hydraulic brake system important in a vehicle?
Why is the hydraulic brake system important in a vehicle?
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What adjustment procedures are typically required for maintaining brake control pedals?
What adjustment procedures are typically required for maintaining brake control pedals?
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Study Notes
Hydrostatic Units Overview
- Hydrostatic units comprise a pump and hydraulic motor, essential for the M60 transmission.
Transmission Unit Components
- Key components include:
- Housing assembly
- Input transfer gearing
- Torque converter
- Planetary gear box
- Steering assembly
- Output planetary trains and stop brakes
- Hydraulic system
Cross Drive Transmission
- Cross drive transmission employs various parts illustrated in diagrams.
- Parts detailed include:
- Left front and rear covers
- Oil filler assembly and drain plugs
- Spur gear and input shaft
- Brake adjusting components and access covers
Transmission Operation
- Controlled by the driver using steering, shifting controls, and the brake pedal.
- Hydraulic torque converter enhances engine torque leveraging planetary gear sets.
- Utilizes hydraulically operated clutches and bands for variable torque output to the final drive.
Transmission Adjustments
- Mechanical linkages adjustments are performed at the rear of the transmission.
- Transmission mounts are installed on both sides, guiding power plant installation.
Transmission Oil Cooler
- Oil coolers on each side of the engine cool oil with air drawn by engine cooling fans.
- Flow control thermostats regulate oil circulation until it reaches the operating temperature.
Shifting Controls
- Controlled via a shift lever that engages a mechanical link to the transmission shift valve.
- The shift valve manages hydraulic control of transmission driving range servo systems.
Brake System
- The brake system comprises a control pedal linked to a hydraulic brake mechanism.
- A mechanical locking arrangement is used for parking.
- Brake adjusting worm on transmission end covers facilitates adjustments when linkages are disturbed.
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Description
Test your knowledge on the components of a hydrostatic transmission unit, including housing assembly, input transfer gearing, torque converter, planetary gearbox, steer assembly, output planetary trains, stop brakes, and hydraulic system. Figures 4-5, 4-6, and 4-7 provide visual references for the components.
