User Manual
Table Of Contents
- Safety
- Emergency
- Controls
- Entering and Leaving the Vehicle
- Doors
- Electrically Operated Windows
- Heated Mirrors
- Mirrors
- Electrical Mirror Adjustment
- Windshield Wiper Blades
- Roof Console
- Sun Visors
- Stepwell Lighting
- Interior Lighting
- Dashboard
- Control Panel
- Control Panel of Heating/Ventilation System
- Air Conditioning Switch
- Fan Speed Selector Switch
- Temperature Adjustment
- Air Distribution Selector Switch
- Center Console
- Left-Hand Steering Column Switch
- Right-Hand Steering Column Switch
- Steering Wheel Switches
- Adjustable Steering Column
- Seats
- Master Display
- PDC and Voltage Display
- Power Distribution Center (PDC)
- Voltage Converter
- Driving
- General
- Steering Lock/Contact/Starter Switch
- Glow System
- Starting Procedure
- Engine Speed Control
- Cruise Control
- Adaptive Cruise Control (Optional)
- Vehicle Speed Limitation for Special Applications
- Driving Style
- Steering
- ABS Brakes
- Park Brake and Service Brake
- Engine Brake
- Stopping
- Allison Automatic Gearbox
- Maintenance
- Introduction
- Air Dryer
- Overhaul
- Air Tanks
- Air Gauges and Air Leaks
- Air Compressor
- Overview of Daily Checks
- Opening the Front Panel
- Engine Oil Level
- Topping Up Coolant
- Special Coolant Fill Instructions
- Windshield Washer Reservoir Fluid Level
- Air Filter Indicator
- Wheels and Tires
- Lighting and Instruments
- Driver's Seat and Mirrors
- Overview of Weekly Checks
- Power Steering Fluid Level
- Brake System Air Drier
- Draining the Water Separator
- Batteries
- General Maintenance
- Cab Maintenance
- Cleaning
- Preventative Maintenance before the Winter Season
- Diesel Fuel
- Windshield Washer Reservoir
- Maintenance after the Winter Season
- Cooling System
- Information
- Glossary
- Index
NOTE
Review the warranty policy before per-
forming any maintenance procedures.
An extended warranty may be voided
if unauthorized maintenance is per-
formed during this period.
Air Tanks
To eject moisture from the air system
tanks, pull the line that is connected to the
moisture ejection valve. Continue pulling
until the air comes out free of water.
Daily: The air tanks, must be
drained on a daily basis.
Operate air devices daily
to circulate lubricants
within the unit.
Periodically: Clean filter screens ahead
of the valves by removing
the screens and soaking
them in solvent. Blow
them dry with pressurized
air before reinstalling
them.
WARNING
If the supply and service air tanks are
not drained at the recommended fre-
quency, water could enter the air lines
and valves. This could cause corrosion
or blockage, which could compromise
the brake system safety and potential-
ly cause an accident. Failure to comply
may result in death, personal injury,
equipment or property damage.
CAUTION
DO NOT use penetrating oil, brake flu-
id, or wax-based oils in the air system.
These fluids may cause severe dam-
age to air system components.
• Maintain the air compressor to
prevent excessive oil bypass.
• Replace worn seals in valves and
air motors as they are needed.
Your authorized dealer carries
rebuild kits for most units.
Air Gauges and Air Leaks
Your vehicle comes with air pressure
gauges for two separate systems, Primary
and Secondary. The Primary gauge
indicates pressure in the rear braking
system. The Secondary gauge indicates
pressure in the front braking system. Each
gauge indicates the amount of air pressure
in pounds per square inch (psi).
WARNING
DO NOT operate the vehicle if leakage
in the air system is detected. Conduct
the following procedure and contact an
authorized dealer (or any other proper-
ly equipped service center) if a leak is
detected. Failure to check the brakes
or follow these procedures could
cause a system failure, increasing the
risk of an accident and may result in
death, personal injury,equipment or
property damage.
If the light and alarm do not turn off at start-
up, do not try to drive the vehicle until the
problem is found and fixed. If the pressure
MAINTENANCE - Air Tanks
100 Y53-6078-1B1 (12/18/18)
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