GAC ESD5200 Series 매뉴얼 - 페이지 4

{카테고리_이름} GAC ESD5200 Series에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. GAC ESD5200 Series 7 페이지. Speed control unit

START THE ENgINE

The factory set SPEED setting is set to approximately engine idle speed, 1000 Hz., Speed sensor signal or 600 RPM.

Crank the engine with DC power applied to the governor system. The actuator will energize to the maximum fuel position until the engine

starts. The governor system should control the engine at a low idle speed.

If the engine is unstable after starting, refer to section 8,

To increase the speed control unit speed set point, turn SPEED adjustment con-

trol clockwise.

Remote speed adjustment can be obtained with the optional 5kΩ Speed Trim

Control potentiometer.

ADJUSTINg FOR STABIlITY

Once the engine is running at operating speed and with no load, the following governor perfor-

mance adjustments can be made to increase engine stability.

ParameTer

GAIN

Rotate the GAIN adjustment clockwise until instability develops.

Gradually move the adjustment counterclockwise until stability returns.

Move the adjustment one division further counterclockwise to ensure

stable performance (270° potentiometer).

If instability persists, adjust the next parameter.

STABILITY

Follow the same adjustment procedure, steps 1 - 3, as the GAIN parameter.

Normally, adjustments made at no load achieve satisfactory performance. If further performance improvements are required,

noTe

refer to section 10,

ADJUSTING FOR

STaBILITY aDJUSTmenT

ProceDUre

SYSTEM

TROUBLESHOOTING.

STABILITY.

GAIN

ESD5200 Series Speed Control Unit 1-2021-C3 PIB1030

SPEED

OVERSPEED

STABILITY

SPEED

OVERSPEED

GAIN

STABILITY