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7-50
Remove the spring (2-40) and the
check valve (2-39).
Remove the disc spring assembly (2-19)
and the spring seat (2-18), and utilizing
the gage port of the case (2-1), remove
the parking brake piston (2-15).
The piston may be ejected by the air
pressure. Exercise sufficient care during
removal. At the beginning of the work, set
a lower air pressure and adjust it while
checking the piston for ejection.
Disassemble the check valve.
Loosen to remove the plug (2-41).
2-41
2-39
2-40
2-15
2-19
2-18
2-18
2-38
2-38-6
2-38-7
R35Z77SM05
R35Z77SM06
R35Z77SM07
R35Z77SM08
Κ
a.
b.
Remove the relief valve.
Loosen the plug (2-38-6) to remove the
relief valve assembly (2-38).
Do not move the adjuster kit (2-38-7).
Otherwise, the set pressure will change.
Do not disassemble the relief valve
assembly (2-38) because it is a
functional component.
Λ
a.
ö
ö
Μ
ö