IHI NIIGATA MG(L)26HLX, Инструкция по эксплуатации

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SECTION
４
- DISASSEMBLY AND REASSEMBLY
4.4 FUEL INJECTION VALVES AND FUEL INJECTION
PUMPS
４－４－０３
WARNING
There is a danger of injuries caused if high-pressure oil droplets come in direct
contact with your skins when conducting the injection test of fuel injection pump.
Never allow your body to gain access to the range covered by oil droplets.
In case where high-pressure oil droplets have come into your body through the
skin, then it is necessary to undergo forthwith specialist's diagnosis and surgical
treatment.
CAUTION
When using hydraulic tools or when conducting the fuel injection valve injection
test, high- pressure fluid will gush out , leading to the danger of injuries.
Never allow your body to gain access to the range covered by oil droplets.
In case where high-pressure oil droplets have come into your body through the
skin, then it is necessary to undergo forthwith specialist's diagnosis and surgical
treatment.
Apply hydraulic pressure only after making sure that joints are securely
connected.
Setting the Injection Valve Opening Pressure
- Loosen the locknut at the top of the injection valve (Item 8 in Figure)
- Loosen the adjusting screw
④
two turns.
- Operate the calibration pump lever several times to force fuel through the
injector to flush away any dirt that may have been introduced.
- Tighten the adjusting screw
④
about two turns and recheck the valve
opening pressure continue adjusting the screw until the valve opening
・
pressure is correct (30.0 MPa).
- Retighten the lock nut
⑧
. Hold the adjusting screw firmly while
tightening the lock nut to make certain that it does not turn.
- If the injection nozzle is not to be used immediately, plug all openings and
wrap it securely to keep it clean.