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 ELECTRIC PROTECTIVE SYSTEM
WIRING DIAGRAMS
NOTE A:
Wire, cable and components shown with dotted lines are to be added by customer. See
wire and cable gage charts for size selection.
NOTE B:
Do not use remote emergency switch for normal engine shutdown. The use of emergency
switch requires manual reset of air shut-off at top of air inlet housing.
NOTE C:
Caterpillar alarm and prealarm contacts are rated for a maximum of 3 amps inductive at the
charging system voltage.
NOTE D:
Switch to be a single pole, normally open switch (may be latching if desired) with a minimum
contact rating of .5 amp inductive at the charging system voltage.
NOTE E:
Switch to be a single pole, normally open switch (may be latching if desired) with a minimum
contact rating of 1 amp inductive at the charging system voltage.
NOTE F:
Magnetic pick-up and oil pressure switch to be wired to electric governor control (Woodward
2301) with a two conductor shielded cable (Belden Corp. type 8780 or equivalent). Shields
are to be grounded at electric governor control grounding stud. Each shield should not have
more than one ground connection.
NOTE G:
Woodward 2301 Electric Governor Control terminal identification chart:
SYMBOL
FUNCTION
STAND-BY
LOAD SHARING
TS NO.
TS NO.
P
Batt +
2
12
R
Batt -
1
13
S
EGA +
6
17
T
EGA -
5
16
U
Mag Pick-up
7
18
V
Mag Pick-up
8
19
Y
Oil Pressure Speed Limiter
9
14
Z
Oil Pressure Speed Limiter
10
15
511/(512 Blank)
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