4012 Engine Wiring Diagram (Twin Starters And Electronic Governor) - Perkins 4012 Manual

4012/16 Diesel

4012 engine wiring diagram (twin starters and electronic governor)

Item
A1 Engine fitted terminal box
A2 Oil pressure switch
A3 Starter motor 1
A4 Starter motor 2
A5 Battery charging alternator
A6 Start inhibit relay
A7 Emergency stop switch
A8 Starter relay
Two air shutoff solenoid valves energise to
A9
(1)
stop . Must be manually reset after operating
A10 Fuel stop solenoids energised to run
A11 Two switch speed unit
A12 Speed ref.
(1) To operate only in conjunction with overspeed fault.
Notes:
All switches are shown with the engine at rest.
The diagram refers to standard engine wiring on engines fitted with a terminal box.
User's Handbook, TSL 4186E, Issue 2
Description Item
A13 Overspeed
A14 'A' bank engine fault switches
A15 'B' bank engine fault switches
A16 Water temperature
A17 Water temperature
A18 Oil pressure
A19 Oil pressure
A20 Magnetic pick-ups
A21 Engine flywheel
A22 Electronic governor control box
A23 Electronic governor actuator
A24 Typical linking box to controller
Description
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