Engine Maintenance
99
Engine Speed Adjustment
When the diesel engine fails to maintain the
correct engine speed, check the following before
adjusting the speed:
1. Bleed the air out of the fuel system. Check the
speed.
2. Bleed the air out of the nozzles. Check the
speed.
Adjustment Procedure for Standard
Units
Make the engine speed adjustments with the
engine fully warmed up.
1. Turn the refrigeration unit off so there is no
load on the engine.
2. Start the unit and use the Data Menu and the
Internal States submenu (or the Commands
Menu and the System Setup submenu) to
check the engine speed. The engine speed
should be 1890 ± 10 RPM with No Load.
3. Loosen the jam nut on the speed adjustment
screw.
4. Adjust the screw to change engine RPM.
5. Tighten the jam nut, when the speed is correct.
Adjustment Procedure for Units
with EcoPower Option
Make the engine speed adjustments with the
engine fully warmed up.
1. Turn the refrigeration unit off so there is no
load on the engine.
2. Start the unit.
3. Enter the Commands Menu and then enter the
System Setup submenu. See “System Setup”
on page 62.
4. Set the Speed Solenoid to Off in the System
Setup submenu.
5. Check the engine speed. The engine speed
should be 1560 ± 5 RPM with No Load and
the Speed Solenoid Off.
a. If necessary, loosen the jam nut on the low
speed adjustment screw.
b. Adjust the low speed adjustment screw to
change engine RPM.
c. Tighten the jam nut on the low speed
adjustment screw when the speed is
correct.
6. Set the Speed Solenoid to On in the System
Setup submenu.
1.
Head
2.
Gasket
3.
Screen
4.
Bowl
Figure 61: Fuel Strainer Components
4
1
3
2
1.
Fuel Solenoid
2.
Speed Adjustment Screw
Figure 62: Engine Speed Adjustment
for Standard Unit
2
1
Summary of Contents for SGCO 3000
Page 4: ......
Page 12: ...SGCO 3000 Genset Addendum 12...
Page 14: ...Genset Model Features 14...
Page 22: ...Service Guide 22...
Page 32: ...Unit Description Features Options 32...
Page 78: ...Operating Instructions 78...
Page 86: ...Electrical Maintenance 86...
Page 114: ...Engine Maintenance 114...
Page 124: ...Alternator Operation and Diagnosis 124...
Page 130: ...Structural Accessory Maintenance 130...
Page 138: ...Index 138...
Page 140: ...Electrical and SG Menu Flow Diagrams 140...
Page 141: ...141 SGCO 3000 Wiring Diagram Page 1 of 1...