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ENGINE AR-COMPLETE 1399935 - Caterpillar



1399935 ENGINE AR-COMPLETE Caterpillar parts C-12 ENGINE
Rating:
55
Alternative (cross code) number:
CA1399935
139-9935
1399935
Caterpillar 1399935 ENGINE AR-COMPLETE

Buy ENGINE AR-COMPLETE 1399935 Caterpillar genuine, new aftermarket tractor parts with delivery
TRUCK ENGINE,

Compatible equipment models: 1399935:

TRUCK ENGINE  C-12   Caterpillar
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Illustration 2 g03817613
CAAC Control Electrical Schematic (1) B+ from CAAC ECM fuse (2) CAN "1" resistor (3) Rear CAAC resistor (4) Rear CAAC ECM (5) Front CAAC ECM (6) Front CAAC resistor (7) Main CAAC ECM (8) From terminal "J1-21" of machine ECM number- one (9) From terminal "J1-20" of machine ECM number- one (10) CAN "1" resistor (11) Front eccentric weight speed sensor (12) Ferrite beads (13) Front accelerometer (14) Rear eccentric weight speed sensor (15) Ferrite beads (16) Rear accelerometer (17) Front CAAC extend solenoid (18) Front CAAC retract solenoid (19) Rear CAAC extend solenoid (20) Rear CAAC retract solenoid (21) Front CAAC cylinder position sensor (22) Rear CAAC cylinder position sensorWhen the engine start switch is in the ON position, power transfers from CAAC ECM fuse (1) to the following locations:
Terminal "2" of rear CAAC ECM (4)
Terminal "10" of rear CAAC ECM (4)
Terminal "2" of front CAAC ECM (5)
Terminal "C50-2" of main CAAC ECM (7)
Terminal "C51-11" of main CAAC ECM (7)
Terminal "C51-12" of main CAAC ECM (7)
Contact "1" of front accelerometer (13)
Contact "1" of rear accelerometer (16)
Contact "A" of the front CAAC cylinder position sensor (21)
Contact "A" of the rear CAAC cylinder position sensor (22) Rear CAAC ECM (4) and front CAAC ECM (5) share the same part number. System software analyzes a configuration input at terminal "10" of this ECM to determine the function of the ECM. A voltage input signal at terminal "10" indicates that the ECM is the rear CAAC ECM. An open circuit at terminal "10" indicates that the ECM is the front CAAC ECM.Rear CAAC ECM (4) and front CAAC ECM (5) are grounded at terminal "1". Main CAAC ECM (7) is grounded at terminal "C50-1".CAN Communication
The machine ECM number-one and the CAAC ECMs communicate through CAN "1" lines (8) and (9). The machine ECM number-one passes the following information to main CAAC ECM (7) :
Vibratory system status
Amplitude mode
Amplitude level
Vibratory frequency
Propel direction and 360-degree seat direction (if equipped)The vibratory system status signal informs main CAAC ECM (7) if the vibratory system is on or off. The amplitude mode signal tells the main CAAC ECM whether the operator has selected manual or automatic operation. The main CAAC ECM uses the amplitude level signal to calculate the necessary offset of the inner and outer vibratory weights. The main CAAC ECM uses the vibratory frequency input to determine the initial starting amplitude. The main CAAC ECM uses the propel direction and seat position to determine which drum is considered to be the front during operation.Sensor Input
The CAAC control system monitors input from the following sensors:
Front eccentric weight speed sensor (11)
Front accelerometer (13)
Rear eccentric weight speed sensor (14)
Rear accelerometer (16)
Front CAAC cylinder position sensor (21)
Rear CAAC cylinder position sensor (22) Note: The machine is equipped with two CAAC speed sensor harnesses. One harness is used on the front drum, and the other is used on the rear drum. The wiring of these harnesses is identical. The front drum harnesses is attached at connector "J-C35". The

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