TM 9-2330-392-14&P
4-66
Change 2
4-27
HYDRAULIC BRAKE ACTUATOR ASSEMBLY MAINTENANCE (CONT).
d.
ASSEMBLY
1.
Install upper bolt (32) and roller (31) into actuator housing (15) and secure with nut (30).
2.
Carefully install push rod assembly (28) and mounting plate (27) onto master cylinder (5). Install two capscrews
(26), nuts (23), washers (24), and springs (25) to secure master cylinder mounting plate (27) and push rod assem-
bly (28) to master cylinder (5). Tighten bolts (26) and nuts (23) compressing springs (25) to a measurement of
3.25 in. +\- 0.0625 in. (1/16 in.).
WARNING
When installing breakaway lever spring (22) onto breakaway spring lever (21) and actuator hous-
ing (14), you must hold the spring in place until master cylinder (5) is installed. If the spring is not
physically held in place as defined, it can fall out of the actuator housing, resulting in no surge
brake protection for the trailer.
3.
Install breakaway lever spring (22) and breakaway spring lever (21) with attached breakaway cable (20) into
actuator housing (14).
