4-39. WHEEL CYLINDER REPLACEMENT.
This Task Covers:
l wheels chocked.
l Rags (Item 11, Appendix E)
l Semitrailer uncoupled from towing
l Four Iockwasher
vehicle (para 2-11).
l Wheel removed (para 4-49).
l Hub and brakedrum removed (para 4-48).
l General mechanics tool kit
Disconnect brake line (10) from multiple connector (11).
Remove two fluid passage bolts (8) and ring spacer (7) from two tube tees (6). Pull tube tees away from cylinder
assemblies (17 and 18). Remove washers (5) from between tube tees and cylinder assemblies.
Remove tube assemblies (9 and 12) from rear of backing plate (2).
Do not allow brake fluid to contact brake linings.
Remove two brakeshoe return springs (13) and slide brakeshoes(14 and 15) away from wheel cylinder piston
Remove four bolts (4), Iockwasher (3), cylinder assemblies (17 and 18), and spark shields (1 and 16) from
backing plate (2), Discard Iockwasher,