Meritor MM-9902 User Manual
DXP 195 Air Release and
Hydraulic Release Parking
Disc Brakes
Maintenance Manual No. MM-9902
Issued 10-99
$2.50
Service Notes
This publication provides maintenance and service procedures for Meritor's DXP 195 air release and
hydraulic release parking disc brakes. The information contained in this publication was current at the time
of printing and is subject to revision without notice or liability.
1.You must understand all procedures and instructions before you begin maintenance and service
procedures.
2.You must follow your company's maintenance and service guidelines.
3.You must use special tools, when required, to avoid serious personal injury and damage to
components.
Meritor uses the following notations to warn the user of possible safety problems and to provide
information that will prevent damage to equipment and components.
WARNING
A WARNING indicates a procedure that
you must follow exactly to avoid serious
personal injury.
CAUTION
A CAUTION indicates a procedure that
you must follow exactly to avoid damaging
equipment or components. Serious personal
injury can also occur.
Visit Our Web Site
Visit the Technical Library section of
www.meritorauto.comfor additional product and
service information on Meritor's Heavy Vehicle
Systems component lineup.
TechnicalElectronic Libraryon
CD
The CD includes product and service information
on Meritor's component lineup. $20. Order
TP-9853.
NOTE:A NOTEindicates an operation, procedure
or instruction that is important for proper service.
A NOTEcan also supply information that can help
to make service quicker and easier.
This symbol indicates that fasteners must
be tightened to a specific torque.
How to Order
Call Meritor's Customer Service Center at
800-535-5560.
Table of Contents
Asbestos and Non-Asbestos Fibers Warnings................................................................1
Section 1: Exploded View........................................................................................................2
Section 2: Introduction
Description..............................................................................................................................4
Identification..........................................................................................................................5
Section 3: Disassembly
Remove the Linings..................................................................................................................6
Remove the Caliper Assembly..................................................................................................7
Section 4: Assembly
Install the Caliper Assembly......................................................................................................8
Install the Linings
Adjust the Initial Caliper Clearance............................................................................................9
Section 5: Maintenance
Hydraulic Fluid......................................................................................................................10
Inspection Schedule
Check the Adjusted Chamber Stroke Length
Inspect the Brake Components................................................................................................11
Cleaning..............................................................................................................................13
Section 6: Diagnostics
DXP 195 Air Release and Hydraulic Release Parking Disc Brakes................................................15
Section 7: Specifications
Torque Specifications............................................................................................................16
Notes
Asbestos and Non-Asbestos Fibers
1
Section 1 Exploded View
Spring-Applied Air Release Brake (Left-Hand Brake)
6
5
7
8
2
4
9
10
3
1
Item Description Sequence Number *
1 Chamber 00100
2 Pin 00110
3 Cotter Pin 00120
4 Spacer 00130
5 Lining Assembly00140
* Sequence numbers appear in the bill of material available from the equipment manufacturer.
2
Item Description Sequence Number *
6 Spring 00150
7 Retaining Pin 00160
8 Cotter Pin 00170
9 Washer 00180
10 Adjuster Plug 00190
Section 1
Exploded View
Spring-Applied Hydraulic Release Brake (Left-Hand Brake)
7
6
8
9
5
3
2
4
1
10
11
Item Description Sequence Number *
1 Chamber 00100
2 Spacer 00105
3 Pin 00110
4 Cotter Pin 00120
5 Spacer 00130
6 Lining Assembly00140
* Sequence numbers appear in the bill of material available from the equipment manufacturer.
Item Description Sequence Number *
7 Spring 00150
8 Retaining Pin 00160
9 Cotter Pin 00170
10 Washer 00180
11 Adjuster Plug 00190
3
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