D
Group 177 Preventive Maintenance
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Check Engine Control in Cab
Check engine controls and performance while moving
through the gears. Accelerator pedal should work
smoothly and without any hesitation in engine response.
Engine should accelerate smoothly and without hesitation,
misses or surges. Also, check the exhaust through the
mirrors for excessive smoke during acceleration.
During acceleration in a low gear, let engine go to full
speed on a flat stretch of road. Note maximum engine
speed. Check the engine manufacturer’s specifications
for correct speed.
W3004405
26
Check Retarder Control
Ensure that the steps of the retarder control are
well-defined and that the control stops in the set position.
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