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HOSE A HYD 0878531 - Caterpillar



0878531 HOSE A HYD Caterpillar parts HOSE
Rating:
21
Alternative (cross code) number:
CA0878531
087-8531
0878531
Caterpillar 0878531 HOSE A HYD

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Power Distribution
Illustration 1 g03791304
Fuses (1) Power distribution module (2) Vibratory solenoid (3) Tractor CAN lines (4) From fuse "FD5" (5) From fuse "FS8" (6) From fuse "FN3" (7) Tractor/Screed harness (8) Left screed operator station (9) Left display (10) Left keypad (11) Left multifunction dial (12) To CAN resistors (13) Right multifunction dial (14) Right keypad (15) Right display (16) Right screed operator station (17) Screed ECMThe vibratory system receives power from the following fuses:
Fuse "FD5" (4) - Switched power transfers from this fuse to contact "C1-8" of the power distribution module (1) . From connector "C1", the power transfers to the "RC-C2-10" terminals of screed left display (9) and right display (15) . This voltage input provides the power for the screed displays. Fuse "FD5" is rated at 20 amps.
Fuse "FS8" (5) - Switched power transfers from this fuse to contact "C1-14" of the power distribution module (1) . Power then transfers to terminal "J1-1" of screed ECM (17) and to terminals "RC-C2-9" of screed displays (9) and (15) . Power also transfers to terminals "RC-C9-2" of screed keypads (10) and (14) . Fuse "FS8" is rated at 10 amps.
Fuse "FN3" (6) - Unswitched power transfers from this fuse to contact "C1-16" of the power distribution module. Power then transfers to terminals "J1-31", "J1-39", and "J1-47" of screed ECM (17) . This voltage input provides the power for the screed ECM. Fuse "FN3" is rated at 20 amps.Vibratory Control Parameters
The vibratory system requires interlock parameters to be met in order to operate. The machine must be in machine forward pave mode to enable the vibratory system.The machine is in machine forward pave mode when:
The engine is running.
The propel mode is set to "pave".
The propel lever is in the forward range.The vibratory system enable delay time value is stored in screed ECM (17) . This value is adjusted at either screed operator station (8) or (16) . The vibratory system enable delay time prevents vibration when machine movement begins. Once machine movement begins and the delay time elapses, the vibratory system is enabled. The default delay time setting is 0.5 seconds. The maximum delay time setting is 60 seconds.The desired vibratory speed value is stored in screed ECM (17) . This value is adjusted at either screed operator station (8) or (16) . The desired vibratory speed setting is shown on left and right displays (9) and (15) . Multifunction dials (11) and (13) are used to adjust this setting.The desired vibratory speed range is limited between 700 rpm minimum and 3000 rpm maximum. The default value is 0 rpm. The value set for desired vibratory speed is saved over a machine key cycle.The vibratory switch is located on touch screen displays (9) or (15) . Vibratory switches are also available on the tractor displays. The vibratory switch is used to set the status of the vibratory system on or off. The default setting is off.Note: The vibratory switch is only available when the engine is running.System Operation
Screed ECM


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