MERITOR-TP-9853
MERITOR WEDGE BRAKES
MAINTENANCE MANUAL NO. 4R
FEBRUARY 1995
MERITOR-TP-9853 - Page 24 of 32
Section 5
Lubrication, Maintenance and Adjustment
20
Section 5
Lubrication, Maintenance and Adjustment
Lubrication
Lubricate the components shown in
Figure 5.1
every 100,000 miles (160,000 km), or once a year,
or when any of the following occur:
r
The seals are replaced.
r
The plungers are removed.
r
The brake is relined.
r
The grease becomes contaminated or
hardened.
Use generous amounts of grease to prevent
premature wear. However, do not pack the
housing with so much grease that the components
cannot move freely.
Figure 5.1
AREAS OF SPIDER
AND HARDWARE THAT
CONTACT SHOES
PAWL TEETH
ADJUSTING BOLT
SHOE SLOT
AND THREADS
INSIDE OF SEAL
ENTIRE
ACTUATOR
ENTIRE
ADJUSTING
PLUNGER
ALL PLUNGER
HOUSING BORES
WEDGE HEAD
AND ROLLERS
ENTIRE PLUNGER
BELOW SEAL
GROOVE AND
ANCHOR PLUNGER
SHOE SLOT
INSIDE OF SEAL
Table A:
Wedge Brake Grease Specifications
Component
Meritor
Specification
NLGI
Grade
Grease Description
Outside Temperature
r
All Actuating
Components
r
All Areas Where Shoes
Contact Spider
r
Anchor Plungers
r
Adjusting Bolts or
Retainer Hardware
O-616-A
1
Clay Base
Down to –40°F (–40°C)
O-645
2
Synthetic Oil, Clay Base
Down to –65°F (–54°C)
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