IC Bus CE Series 2020, Operation And Maintenance Manual

Page: 30 / 287

Vehicle Inspection Guide
Underhood and Fluid Checks
WARNING
To prevent personal injury and / or death, or
damage to property, maintain adequate clearance
between all parts of the exhaust system and all
hoses, wires, and lines for engine cooling, brake
system, fuel system, power steering system, and
electrical system.
Heat damage to hoses and
wires may cause vehicle malfunction.
WARNING
To prevent personal injury and / or death from
hot coolant or steam scalding, use the following
procedure to remove the pressure cap from the
deaeration tank:
A. Allow the engine to cool.
B. Wrap a thick cloth around pressure cap.
C. Partially unscrew pressure cap slowly while
firmly holding cap down, then pause to allow
pressure to release.
D. When system pressure is released, fully
unscrew pressure cap while continuing to hold
cap down. Slowly release downward pressure
from pressure cap.
E. Remove cap.
WARNING
To prevent personal injury and / or death, or
damage to property, if vehicle is equipped
with
an automatic transmission, have a
qualified technician regularly check operation of
transmission neutral start switch. If unit starts in
gear, the vehicle may inadvertently move.
WARNING
To prevent personal injury and / or death, or
damage to property, exercise care when working
on vehicles with running engines that are
equipped with an automatic fan clutch.
The
fan engages when engine coolant reaches a
predetermined temperature or the refrigerant
pressure (if equipped with air conditioning)
reaches a predetermined setting.
The fan will
start with no advance warning.
16