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Meritor Automobile Accessories MM-9902 Manuel D’Utilisation

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Brake Type
Pressure
Air Release 
Brake   80-120 psi (5.52-8.3 bar) 
Hydraulic 
Release Brake 1700-3000 psi (117.3-207 bar) 
10
Hydraulic Fluid
WARNING
Use only the type of hydraulic fluid specified by
the equipment manufacturer.  Do not use
different types of hydraulic fluid.  Using incorrect
hydraulic fluid will damage the rubber parts of
the caliper.  Component damage, loss of braking
and serious personal injury can result.
Do not reuse hydraulic fluid.  Used fluid can be
contaminated and cause incorrect operation.
Serious personal injury can result.
The brake system uses a petroleum based
hydraulic fluid (mineral oil) and includes fluids
that meet MIL-H-5606 specifications.
For fluid type and specifications, refer to the
equipment manufacturer's recommendations.
Inspection Schedule
Inspect the brake according to one of the
following schedules. Choose the schedule that
provides the most frequent inspection and
lubrication interval.
•
The chassis lubrication schedule used by
your fleet
•
The chassis lubrication schedule
recommended by the OEM
•
A minimum of four times during the life of
the linings
•
At tire replacement
Check the Adjusted Chamber
Stroke Length
WARNING
To prevent serious eye injury, always wear safe
eye protection when you perform vehicle
maintenance or service.
Do not work under a vehicle supported only by
jacks. Jacks can slip or fall over and cause
serious personal injury. Support the vehicle with
safety stands. Block the wheels to prevent the
vehicle from moving.
Use the following procedures to check in-service
push rod travel.
1. Park the vehicle on a level surface.
2. Place blocks under the wheels. 
3. Turn the engine OFF.
4. Check the gauges in the cab. Ensure the
tanks contain the correct amount of
pressure. Refer to Table C.
Table C:  Pressure Specifications