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MBS-1P Installation
®
Pneumatic System
MBS-1P Location and Mounting
The MBS-1P can be located some distance from the relay valve. The air line
connecting the PCM to the relay valve should be 3 to 5 feet in length. This
allows some mounting flexibility, provides good ABS performance, and
complies with brake application and release timing requirements.
Mount the MBS-1P using two grade 8 bolts WNC part number
BLT 00650 (1/4-20 x 3-1/2") for 1M systems, BLT00732 (1/4-20 x 5-1/2") for
2M systems.
NOTE: Use the grade 8 bolts included with the MBS-1P installation kit.
The bolts must be inserted from the bracket side when installing 2M systems.
An optional mounting bracket (WNC part number 12S00475) is available
from Wabash.
The MBS-1P may also be mounted directly to a crossmember by drilling two
mounting holes on 5-3/8" centers.
Mounting Bracket
or Crossmember
Mounting
Bolt
PCM
Delivery
PCM
Port
ECM
Air Line
Tubing
Supply
Port
Washer
Nut
Air Line
Tubing
Exhaust
Port
322UX030
Figure 11, Typical MBS-1P Mounting
17
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