Generator Shutdown Procedures - MQ Power DCA300SSJU4F3 Operation Manual

WARNING
NEVER stop the engine suddenly except in an
emergency.
NORMAL SHUTDOWN PROCEDURE
To shutdown the generator, use the following procedure:
1. Place both the MAIN, GFCI and LOAD circuit breakers
as shown in Figure 61 to the OFF position.
Figure 61. Main, Aux. and GFCI
Circuit Breakers (OFF)
2. Let the engine cool by running it at low speed for 3-5
minutes with no load applied.
3. Place the Auto Off/Reset Manual Switch (Figure 62)
in the OFF/RESET position.
AUTO
OFF/RESET
(CENTER)
Figure 62. Auto Off/Reset Manual Switch
(Off/Reset)
4. Verify that all status LEDs on the ECU control panel
are OFF (not lit).
5. Remove all loads from the generator.
6. Inspect entire generator for any damage or loosening of
components that may have occurred during operation.
PAGE 48 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22)

GENERATOR SHUTDOWN PROCEDURES

MANUAL
EMERGENCY SHUTDOWN PROCEDURE
NOTICE
The Emergency Stop Pushbutton Switch should only
be used to stop the engine in case of an emergency
or to lock out operation during service. The emergency
stop switch should NEVER be used for routine stopping
of the engine.
1. To stop the engine in the event of an emergency, push
the Emergency Stop Pushbutton Switch (Figure 63).
Figure 63. Auto Off/Reset Manual Switch (OFF)
2. The emergency stop switch is a push-locked type
switch. The switch contact can only be released by
rotating the button in the clockwise direction. The
engine can not be restarted until the contact is released
(closed).
3. Place the MAIN, GFCI and LOAD circuit breakers as
shown in Figure 61 to the OFF position.
AUTOMATIC SHUTDOWN SYSTEM
This unit is equipped with safety devices to automatically
stop the engine in the event of low oil pressure, approximately
24 psi (165 kPa), high water temperature, approximately
240°F (115°C), or overspeed approximately +15%. The
alarm lamps on the ECU illuminate to signify the reason
for the shutdown.
NOTICE
Before inspecting the generator, check that the
Auto/Manual switch is in the OFF/RESET position,
and place all circuit breakers in the OFF position. Allow
sufficient time for adequate cooling. When ready to
restart, complete all steps in the Generator Startup
Procedure section of this manual.