Copyright Meritor, Inc., 2022
MM-0861 / Revised 06-22
Page 3
Printed in USA
1 Safety Information
Safety Information
Hazard Alert Messages
Read and observe all hazard alert messages in this publication.
DANGER
Indicates imminent danger. Failure to follow this instruction will
result in death or serious injury.
WARNING
Indicates a possibly impending danger. Failure to follow this
instruction can result in death or serious injury.
CAUTION
Indicates a hazardous situation or unsafe practice which, if not
avoided, could result in injury or damage to components.
Safety Precautions
Before performing service and maintenance procedures, read
and understand the following safety precautions. Failure to follow
these instructions may result in death or injury. Additional hazard
alert messages are included throughout this publication where
applicable.
DANGER
• Before starting any work on the vehicle, carefully read and
understand all instructions and hazard alert messages
provided in this publication. Failure to follow procedures
and alerts as directed can result in death, serious injury and
damage to components.
• Procedures may only be performed by qualified professionals
who are trained and certified in vehicle service. Death or
serious personal injury and damage to components can result.
• Only perform work on a flat, level surface in a well-lighted,
ventilated area. Death or serious personal injury and damage
to components can result.
• Follow all safety instructions and service guidelines
established at the service facility where work is being
performed. Death or serious personal injury and damage to
components can result.
DANGER
• Use only the recommended tools for service. Follow all safety
guidelines and instructions provided by the tool manufacturer.
Failure to do so can result in death or serious injury and
damage to components.
• Park the vehicle on a level surface. Block the wheels to
prevent the vehicle from moving. Support the vehicle with
safety stands. NEVER work under a vehicle supported only by
jacks. Jacks can slip and fall over. Failure to use safety stands
can result in death or serious personal injury and damage to
components.
WARNING
• Always wear proper eye protection and other appropriate
personal protective equipment when performing procedures.
• Never wear loose clothing such as neck ties and jewelry such
as necklaces, watches and rings when working on a vehicle.
Always tie long hair back. Loose clothing, hair and jewelry can
catch on parts, resulting in serious injury.
• Turn the engine Off and remove the ignition key before
working on a vehicle. Contact with moving parts can result in
serious injury.
• After operating a vehicle, allow the vehicle to cool down before
performing service. Coming into contact with hot parts and
fluids can cause burns and serious injury.
• Drain the air completely from the air system before working on
any connected air lines or components.
• Never disconnect or connect an air line containing pressurized
air. The air line can whip around or project debris, resulting in
personal injury.
• Do not actuate a brake with the brake pads or shoe linings
removed.
• Use only Meritor
®
brand replacement parts, components and
kits. Use of unauthorized parts can result in damage or injury,
and void the Meritor warranty.
• Use only wheels and valve stems approved by the vehicle
manufacturer for use with Meritor air disc brakes. Use of
unapproved wheels and valve stems can result in valve stem
damage.
• Always ensure all components and systems are in correct
operating condition before returning the vehicle to service.
