New Flyer SR542 - Vehicle Driving Procedures

VEHICLE OPERATION
78 Copyright © 1998 New Flyer Industries Ltd.
☞ NOTE:
The Panel Lights dimmer operates only when the Master Run
switch is in the NIGHT-RUN position.
Pre-Trip Brake Test
WARNING:
Before driving the vehicle conduct the following
test sequence. If the test reveals a fault advise the
control center and DO NOT OPERATE THE VEHI-
CLE.
Conduct the following test sequence to ensure that the air brake
system is functioning properly.
1. Apply the park brake and block the wheels.
2. Start the engine, set the Idle Speed switch to FAST and check
the following:
a. The low pressure warning devices switch off as the air
pressure builds.
b. If the air pressure gauge reading was below 90 psi, the
reading increases back to 90 psi in less than three minutes.
c. The air pressure gauge reading levels off at 120-125 psi.
3. Release the park brake.
a. Make multiple light brake treadle applications and check
the following:
i. The air pressure gauge reading stabilizes at 105 psi. as
the air compressor begins its pumping cycle.
ii. After continued multiple light brake treadle applications
the low pressure warning devices activate as the air
pressure gauge reading falls to 65 psi.
b. Release the brake treadle and re-apply the park brake.