Engine Startup And Running - Generac Power Systems 10 kW LP Repair Manual

sEctioN 4.2
oPEratioNal aNalYsis
With the fuel solenoids open and ignition occurring, the engine starts. Engine startup and running may be briefly
described as follows:
• Voltage pulses from the ignition magnetos are delivered to the circuit board via Wire 18. Once the circuit board
determines that the engine is running, the circuit board (a) terminates cranking, and (b) terminates the choke
solenoid (CS), and (c) turns on an "engine warm-up timer".
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enGine Startup and runninG

POWER
WINDING
STATOR
6
2
POWER
WINDING
0
4
IM2 18
SP2
IM1
18
SP1
86
HTO
LOP
0
13
13
SCR
16
2
6
0
4
22
11
44
33
22
11
56
SCR
0
13
BATTERY
SC
SM
Part 4
DC CONTROL
2
6
0
VOLTAGE
0
REGULATOR
4
4
22
11
0
4
0
13
12V
0