SANY LATIN AMERICA
8-100
SY195/205/215/225C9 Crawler Hydraulic Excavator
Disassembly and Assembly
Shop Manual - June 2013
8.27.2 Assembly
1. Installation of bushing (21)
1) Use a mounting tool to press the bush-
ing (21) into the bushing (lubricated
with hydraulic oil) on the side of piston
rod and cylinder barrel.
2) Install the dust ring (22) with the help of
a suitable cushion block.
2. Assembly of cylinder head (2)
1) Use the press to push in the bushing
(19).
NOTE: Apply hydraulic oil to the inside
of cylinder head in advance. Make
sure that the bushing (19) pushed in is
free from a raised shoulder.
2) Use the press to push in dust ring (18).
3) Install the guard ring and the U-ring (17)
sequentially in the U-groove.
NOTE:
●
Install the U-ring (17) in correct direc-
tion. Make sure that the U-ring is intact
before installation.
●
Inverse installation will cause leak of
oil.
●
Make sure that the U-ring is free from
any corrugation or permanent deforma-
tion after installation.
22
21
21
ZX215-1006175
Piston rod
Cushion
Press
Mounting tool
2
19
ZX215-1006176
Pressure surface
Hydraulic press
Tool
18
ZX215-1006177
Press in
Tool
U-groove
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