107
5-2.
NITROGEN GAS LEAKAGE
※ It is abnormal for the nitrogen gas to leak more than 0.3MPa (43 PSI )per 100 hours
from the cylinder cover. Check the areas as shown in the chart for repairs.
Inspect the areas as shown in the following diagram.
NOTE: (*) It is necessary to disassemble the hydraulic breaker in order to repair.
Please contact TOKU or TOKU
’
s Distributor and ask for repair.
Gas Leakage Position
Cause
Countermeasure
F
Gas leakage from gas valve
plug.
Wear or damage of O-ring
Replacement
Damage of gas valve piston
Replacement
G
Gas leakage from gas valve
body.
Wear or damage of O-ring
Replacement
H
Gas leakage from between the
cylinder and the cylinder cover.
Wear or damage of O-ring
Replacement
I
In case of gas leakage did not
find at gas valve plug, gas
valve body and connecting
face of cylinder and cylinder
cover.
Wear or damage of gas seals
Replacement
Wear or damage of O-ring
Replacement
Seizure of piston and
packing bush
Repair or replacement
H
G
F
TNB-08M, 1M, 2M, 3MB, 4M, 5M
TNB-6M, 6E, 7J, 16K/
110
, 141LU, 151LU2,
27K/
190LU2
, 230LU2, 310LU1, 60K/
400LU2
G
F
H
Содержание TNB-08M
Страница 133: ...TOKU Pneumatic Co Ltd...