BHI HydroRam HK580S, Руководство по эксплуатации и список запасных частей

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BHI
Best Hammer Industries
- 26 -
6. N
2
gas Pressure Maintenance
1) Inspection of N₂Gas Pressure Inside Head Cap ( same as the Accumulator )
(1) Remove the cap from the gas valve.
(2) Turn the handle of gas charging adapter counterclockwise until it stops.
(3) Connect the gas charging adapter with gas valve.
(4) Fix the cap of gas charging adapter after turning it clockwise.
(5) Turn the handle, so that gas pressure inside head cap is indicated on the pressure
gauge.
․ Gas pressure changes according to the position of the tool. Lay down the hammer and
let the tool extend fully.
․
If it is not optimum gas pressure, it should be set according to the chart as below.
◈ Head cap & Accumulator Optimum Nitrogen Gas Pressure [kg/㎠(psi), at20℃(68°F)]
2) Removal of gas charging adapter
(1) Turn the handle of gas charging adapter counter clockwise until it stops.
(2) Unscrew the cap and release the gas inside the gas charging adapter.
(3) Remove the gas charging adapter from the gas valve and fit the cap of gas valve.
3) How to set the gas pressure
(1) If you loosen the cap slowly after taking the above procedures, the gas pressure
will become lower. Tighten the cap at the optimum pressure.
(2) Next procedures are same as removal procedures of gas charging adapter.
4) Filling N₂Gas
Take the following procedures after of Inspection of N₂gas pressure inside head cap
mentioned above.