S0705010
Page 7
Cylinders
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TROUBLESHOOTING, TESTING AND ADJUSTMENT
Problem Possible Cause Remedy
Oil leaking between cylinder
head (16) and piston rod (18).
(Index nos. refer to Figure 1)
Foreign material in U-ring (3). Remove foreign material.
Scratches in U-ring (3). Replace U-ring (3).
Damage to U-ring (3). Replace U-ring (3).
Foreign material in dust seal (2). Remove foreign material.
Scratches to dust seal (2). Replace dust seal.
Damage to dust seal (2). Replace dust seal.
Foreign material in seal O-ring
(4).
Remove foreign material.
Scratches in seal O-ring (4). Replace O-ring (4).
Damage to seal O-ring (4). Replace O-ring (4).
Scratches on sealing surface of
piston rod (18).
If scratches are not deep, hone
with an oil stone and lubricate. If
scratches are deep, replace
piston rod (18).
Deep scratches on inner surface
of bushing (15).
Replace Bushing.
Oil leaking between cylinder
head (16) and cylinder tube (13).
Damage to O-rings (14). Replace O-rings (14).
Oil leaking from welded area of
cylinder tube (13).
Damage to welded area. Replace cylinder tube (13).