Doosan D55C-5 - Page 42

Vehicle Systems Disassembly & Assembly 40
Disassemble & assemble brake valve
1. Take off bellows (4) and lift push rod (3), remove vent air (25) and bolts (28).
2. Separate the front housing (1) and rear housing (2), remove servo spring (10), servo piston (9) and master
piston (5).