TM 10-4320-344-24
2.23.6 Master Cylinder and Brake Line Maintenance.
This task covers:
2.23.6.1 Disassembly
2.23.6.3 Assembly
2 .
23 . 6 . 2 R e p a ir
INITIAL SETUP
Tools
Equipment Conditions
General Mechanic’s Automotive
Pumping station shut down, TM 10-4320-
Tool Kit, Appendix B, Section
344-10.
III, Item 1
Tongue Jack and Tripod Assembly removed,
Flaring Tool, Appendix B, Section III,
paragraph 2.23.3 (US636HCCD-1).
Item 2
General Safety Instructions
Tube Bender, Appendix B, Section III,
Item 2
Do not work on equipment that is not
securely stabilized to prevent rolling
Material/Parts
o r s l i d i n g .
Brake Fluid, Appendix C, Item 4
Do not work on equipment without follow-
Pan, Appendix C, Item 19
ing standard shop safety practices.
Rags, Appendix C, Item 20
This procedure applies to Model 609-A. The procedures for Models 609-C and
US636HCCD-1 are similar.
2.23.6.1 Disassembly.
Do not work on equipment that is not securely stabilized to prevent rolling
or sliding. Ensure both wheels of equipment have chocks that are secure.
a.
b .
c .
d .
e .
f .
g .
h.
Failure to obey this warning may result in serious personal injury.
Place pan beneath master cylinder (Figure 2-173, 1).
Disconnect metal brake line (2) from rear of master cylinder (1) and drain
brake fluid into pan. Properly discard brake fluid in accordance with
standing operating procedures.
Remove two nuts (3), bolts (4), four spacers (5), wiring harness clamp (6),
and master cylinder (1) from trailer (7).
Remove four mounting screws (8) and brake line mounting clamps (9) from
t r a i l e r ( 7 ) .
Disconnect and remove metal brake line (2) from rubber brake line (10).
Remove retaining clip (11) and rubber brake line (10) from mounting bracket
(12) and disconnect and remove rubber brake line (10) from tee fitting (13) on
a x l e ( 1 4 ).
Disconnect metal brake line (15) from backing plate (16) on right side wheel
and tire assembly (17).
Disconnect other end of metal brake line (15) from tee fitting (13) and remove
metal brake line (15).
2-388
NOTE
