SANY LATIN AMERICA
1-20
SY195/205/215/225C9 Crawler Hydraulic Excavator
Introduction
Shop Manual - June 2013
Place O-ring (6) in contact with the contact
surface of the joint (7) to seal the pressurized
oil.
1.4.3 Connection of O-rings
Wrench size mm
Wrench size mm
Tightening torque
Connecting nut
Hose joint
N·m (kgf·m,Ibf·ft)
19
17
44(4.5,32)
22
19
59(6,44)
27
22
118(12,87)
36
30, 32
235(24,173)
41
36
295(30,218)
50
46
490(50,361)
ZX215-1000030
Hose connector
6
7
8
9
10
NOTICE
●
Replace o-rings (6) with new ones when
re-connecting hoses.
●
Before tightening nut (9), make sure the
o-ring (6) has been placed into the o-ring
seat (8).Displacement of the o-ring may
have it damaged and cause leaks.
●
Be careful not to damage the o-ring seat
(8) or the sealing surface (10). Damaged
o-ring (6) may cause oil leakage.
●
If oil leakage due to loosened nut (9) is
detected, do not try to stop the leakage
by tightening nut (9). Instead, replace o-
ring (6) with a new one and make sure it
is well positioned, and tighten nut (9).
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