Natural Gas Vehicles; Cab Inspection - freightliner cascadia Driver Manual

Pre- and Post-Trip Inspections and Maintenance
the minimum and maximum fill marks. See
the engine operation manual for recom-
mended lubricants.
For natural gas vehicles, use only Exxon
Busgard® Geo 15W-40 natural gas engine
oil.
4. Check the power steering reservoir fluid level.
The power steering fluid level should be between
the MIN COLD mark and the middle mark just
above it. See Fig. 21.5. If needed, fill the reser-
voir with automatic transmission fluid that meets
Dexron III or TES-389 specifications.
1
05/21/2007
NOTE: Typical reservoir shown; configurations may
vary.
1. Filler Cap
Fig. 21.5, Power Steering Fluid Reservoir
NOTICE
Low coolant could result in engine overheating,
which could cause engine damage.
IMPORTANT: The surge tank must be cool to
check the coolant level.
5. Check the engine coolant level in the radiator
surge tank. See Fig.
NOTICE
Coolant must be filled to the COLD MAX line of
the surge tank. Low coolant could result in en-
gine overheating, which could cause engine dam-
age.
21.5
f462079
21.6.
2
1
02/05/2013
1. Pressure Relief Cap
2. Filler Cap
3. COLD MAX Fill Line
Fig. 21.6, Coolant Surge Tank
5.1 If the coolant is low, fill the surge tank to
the MAX line with a 50/50 mixture of water
and the type of antifreeze currently in-
stalled in your vehicle.
For natural gas vehicles, use only Fleet-
guard ES Compleat
engine coolant.
5.2
If the surge tank was empty, start the en-
gine after refilling and check the level
again when the engine is at operating
temperature.
6. Inspect visible engine wiring for damage or
looseness. Check for loose wiring, chafed insula-
tion, and damaged or loose hold-down clamps.
7. Inspect visible frame rails for missing bolts, shiny
areas, or rust streaks.

Cab Inspection

1. Push the reset button on the dash-mounted air
intake restriction indicator, if equipped.
2. With the ignition switch in the OFF position,
check the air-pressure warning system.
2.1
If not previously drained, drain the air res-
ervoirs using moderate brake applications
until pressure in both reservoirs is less
than 70 psi (483 kPa).
3
4
5
4
f500390
4. COLD MIN Fill Line
5. Coolant Level Sensor
™ EG Premix 50/50