Low Transmission Air Warning
Pneumatic controls are used to shift the transmission. If there is inadequate air pressure, a warning is displayed and the quality of gear shifts may be degraded. Wait for air pressure to build before operating the vehicle.
Important: If the low transmission air warning indicator appears while the vehicle is in operation, safely pull the vehicle off the road, and correct the problem.
Table 1, Clutch Abuse Alerts and Protections
Clutch Abuse Alerts and Protections |
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Alert Level |
Alert |
Protections |
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Highest Start Gear |
Creep Mode |
Clutch Function |
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1 |
Heavy clutch load message |
1 |
No restriction |
Normal function |
2 |
Heavy clutch load message |
1 |
Disabled |
Normal function |
3 |
Clutch overload message and buzzer |
1 |
Disabled |
If the accelerator pedal is depressed, the clutch closes at fixed rate. If the accelerator pedal is released, the clutch opens at fixed rate. |