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Do not exceed 240°F (116°C) maximum engine oil temperature at any time.Do not exceed 2300 rpm in any situation. Overspeeding can result in serious damage to your engine.Operation of the engine over 2300 rpm will cause the Electronic system to activate the CHECK ENGINE lamp, indicating engine overspeed.
No special skills are required to operate a vehicle with a BrakeSaver. However, it requires the operator to observe the engine speed and the BrakeSaver oil temperature.
The BrakeSaver should not be used as a primary or service brake. The BrakeSaver is not an emergency or quick stop brake. Use the service brakes for quick stops.
The BrakeSaver provides auxiliary braking to slow the truck and to control speed on long grades. Governing the deceleration or downhill speed of a vehicle by using the BrakeSaver results in reduced wear on brake linings and brake drums. It helps save the service brakes for emergency stopping requirements.Braking effort is a direct function of engine speed. The greater the engine speed the greater the braking effort. This applies to all engines, especially those with slower speed economy ratings.The BrakeSaver utilizes the engine oil and cooling systems, which eliminates the need for auxiliary oil or cooling systems.Scheduled maintenance on the BrakeSaver, or additional engine maintenance, is not required.Trucks equipped with the BrakeSaver require an additional amount of engine lubricating oil. Refer to the Refill Capacities chart in this publication for proper amount of oil required for a BrakeSaver equipped engine.Manual Control
The hand-operated control lever is usually mounted on the steering column. It provides a smooth modulated application of the BrakeSaver for desired retarding of the vehicle up to 2300 engine rpm.This controlled modulation of the BrakeSaver is especially desirable on slippery roads. Increasing or decreasing the BrakeSaver action is accomplished by moving the control lever. Actuating the manual Brakesaver control will deactivate the Electronic engines' Cruise Control or PTO control.Automatic Control
The mode selector switch must be in the AUTOMATIC MANUAL position and the Electronic system Cruise Control ON/OFF switch must be in the OFF position for automatic control.In this mode, the BrakeSaver will automatically be applied when the clutch is engaged and the accelerator pedal is released.The BrakeSaver will automatically shut off when the clutch is disengaged or when the accelerator pedal is depressed. It will engage again when the clutch is re-engaged and the accelerator pedal is released.Gauges
The BrakeSaver CONTROL AIR PRESSURE gauge indicates the pressure at the BrakeSaver control valve. Air pressure should not exceed 50 psi (345 kPa).If the indicator shows reduced or no pressure, the BrakeSaver may not provide any braking effort. Stop the vehicle or operate at a reduced speed.Control vehicle stopping with proper downshifting and service brakes until proper repairs are made.The BrakeSaver oil temperature gauge indicator should register in the NORMAL (GREEN) range, 240°F (116°C). If the indicator moves to the RED range, move the BrakeSaver manual control lever to the OFF position.Operate the vehicle with the service brakes only, or stop the vehicle and let the engine idle until