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General| Brand | Allison Transmission |
|---|---|
| Model | HT 750DRD |
| Category | Microphone system |
| Language | English |
Describes the fundamental components and operational principles of the torque converter.
Explains the mechanism, engagement, and purpose of the lockup clutch.
Details the function of shift lever positions P, R, N, and D for specific transmission series.
Explains range selection for AT and MT/HT series transmissions without a park feature.
Describes the range selection options for MT 650 and MT(B) 653DR transmissions.
Instructions on utilizing engine braking for controlled descent on grades.
Explains the operation and necessary precautions for using the hydraulic retarder system.
Highlights critical conditions to report to maintenance to avoid major issues.
Highlights the critical necessity of maintaining optimal transmission fluid levels for longevity.
Provides a step-by-step guide for checking the transmission fluid level.
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