7-125
9,10
3
14
13
15
12
Fit wear ring(15) and dust ring(13) to
piston(12).
Ι
Fit piston seal(14) to piston.
Put the piston seal in the warm water of
60~100
Á
C for more than 5 minutes.
After assembling the piston seal, press
its outer diameter to fit in.
Θ
ö
ö
Fit back up ring(10) to gland(3).
Put the backup ring in the warm water of
30~50
Á
C .
Fit O-ring(9) to gland(3).
Λ
ö
Μ
A
A
ssemble piston assembly
Check for scratches or rough surfaces.
If found smooth with an oil stone.
Coat the outer face of piston(16) with
hydraulic oil.
(2)
ö
Η
R35Z77CY27
R35Z77CY28
R35Z77CY30
R35Z77CY31