DOC-20230111-WA0038.

Disassemble Brake Valve
• Be sure to read “Precautions for Disassembly and
Assembly” thoroughly on page W1-1-1 before
starting the disassembly work.
1. Remove plugs (5) (2 used), springs (4) (2 used),
spring seats (3) (2 used) from valve housing (1).
: 36 mm
2. Remove O-rings (6) (2 used) from plugs (5) (2
used).
3. Remove spool (2) from valve housing (1).
IMPORTANT: Do not disassemble the relief valves
(11) assembly.
Do not move the piston on the relief
valve (11) assembly, otherwise the
O-ring will be damaged when the
piston passes the cartridge hole.
4. Remove the relief valves (11) assemblies (2 used),
springs (8) (2 used), poppets (7) (2 used) from
valve housing (1).
: 30 mm
5. Remove plug (17) from valve housing (1) to
remove O-ring (16) from the plug.
:6 mm
6. Remove spring (15), spool (14) from valve
housing (1).
7. Remove plug (9) from valve housing (1) to
remove O-ring (10) from the plug.
:6 mm
IMPORTANT: Do not remove plug (12) and ball (13)
unless necessary.
8. Remove plug (12) from valve housing (1), incline
the valve housing to take balls (13) out.
:5 mm
UNDERCARRIAGE / Travel Device
W3-2-21