Western Star 47X 2020, Maintenance Manual

Page: 3 / 166

Foreword
When performed on a regular basis, lubricating the parts of your vehicle is the least costly way of obtaining safe and
reliable vehicle operation. Added benefits and savings occur when you check that the engine, undercarriage, and
noise emission control parts are in good working order during lubrication.
IMPORTANT: The maintenance operations in this manual are not all-inclusive . Also refer to other
component and body manufacturers’ instructions for specific inspection and maintenance instructions.
Perform the operations in this maintenance manual at scheduled intervals based upon distance traveled or hours
of operation. Perform daily, pretrip inspection and maintenance as outlined in the
Western Star 47X and 49X
Driver’s Manual .
IMPORTANT: Descriptions and specifications in this manual were in effect at the time of printing. Western
Star Trucks reserves the right to discontinue models and to change specifications or design at any time
without notice and without incurring obligation. Descriptions and specifications contained in this
publication provide no warranty, expressed or implied, and are subject to revision and editions without
notice.
Refer to www.Daimler-TrucksNorthAmerica.com and www.WesternStarTrucks.com for more information, or
contact Daimler Trucks North America LLC at the address below.
Environmental and Safety Concerns and Recommendations
Whenever you see instructions in this manual to discard materials, you should attempt to reclaim and recycle them.
To preserve our environment, follow appropriate environmental rules and regulations when disposing of materials.
Servicing vehicles may result in contact with items known to the state of California to cause harm.
WARNING
Breathing diesel engine exhaust exposes you to chemicals known to the State of California to cause can-
cer and birth defects or other reproductive harm.
Always start and operate the engine in a well-ventilated area. If in an enclosed are, vent the exhaust to the
outside. Do not modify or tamper with the exhaust system. Do not idle the engine except as necessary.
For more information go to www.P65warnings.ca.gov/diesel .
WARNING
Cancer and Reproductive Harm www.P65warnings.ca.gov/diesel .
NOTICE: Parts Replacement Considerations
Do not replace suspension, axle, or steering parts (such as springs, wheels, hubs, and steering gears) with used
parts. Used parts may have been subjected to collisions or improper use and have undetected structural damage.