Kohler 40COZ/33CFOZ Service Manual page 61

15 amp
10 amp
5 Second
Shutdown
Reset
K2
K1
Overspeed
16
Speed
Sensor
Speed
Pickup Voltage
Regulator
11
6 9
FP
Speed Sensor
Actuator
Photo-Coupling
AC
F3
G
AC
Photo Transistor
LED Circuit Board
Circuit Board
Figure 6-4 Relay Controller Sequence of Operation with F-254717 and Later Circuit Boards
TP-5737 5/01
+ --
K20
K10
N
Run
D5
47
Off/Reset
K2
Auto
4
70
GS
FS
OP
WT
BV
HR
K20
K4
K10
K1
K5
K4
Fault Latch Line
2
K1
Q
Fault
Shutdown
K3
3
Q
Crank
Disconnect
Overcrank
V7
10
4
V8
11
FN
2
12
9
F1 F2
Exciter
Field
AC
F+
G
F---
AC
Exciter
Armature
SCR Assembly
Starter
M
Remote Start
3
D Overcrank, Overspeed, LWL, HET, and
K5
D Fault latch provided by K1 normally open
D Overcrank shutdown is only driven by
D Crank disconnect driven by AC and
D Relays K1, K2, K3, K4, and K5 are part of
K3 D Fault latch line, fault shutdown, crank
Fault
ETS
BV
HET
ETS
FS
K3
GS
LOP
HET
HR
K1
K2
K3
K4
K5
K10
K20
V7
V0 LOP
LWL
7
10
8
M
OP
WT
1
Stator
4
2
5
6 3
Main Rotor
Field
Section 6 Decision-Makert 1 Controller Troubleshooting
NOTE
LOP drive the fault shutdown circuit.
contacts.
AC.
speed sensor input.
the controller circuit board and their
electrical connections and circuits are
simplified in this diagram.
disconnect, overcrank, overspeed, and
speed sensor (dotted lines) are part of the
controller circuit board and their electrical
connections and circuits are simplified in
this diagram.
Battery Volts
High Exhaust Temperature Switch
Fuel System
Governor System
High Engine Temperature Switch
Hourmeter
Fault Shutdown Relay
Engine Run Relay
Crank Disconnect/
Flashing Control Relay
Crank Disconnect Relay
Fault Latch Relay
Auxiliary Run Relay
Starter Relay Solenoid
Low Oil Pressure Switch
Low Water Level Sender
Starter Motor
Oil Pressure Gauge
Water Temperature Gauge
ADV-5353-6
47