SHIM 0859870 - Caterpillar

0859870 SHIM Caterpillar parts E450

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Alternative (cross code) number:
CA0859870
085-9870
0859870

Buy SHIM 0859870 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

Compatible equipment models: 0859870:

EXCAVATOR E450 Caterpillar

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Which Generate This Code:This diagnostic code is associated with the 5 VDC power supply on connector 2 of the IQAN Lx A0 module. The "VREF-A Error" code means that some factor is overwhelming the ability of the module to regulate the source voltage between 4.9 VDC and 5.1 VDC.The possible causes of the diagnostic code are listed:
A short or open may have occurred on the circuit for the engine speed potentiometer.
A short or open may have occurred on the circuit for the two-speed travel switch.Note: Refer to the complete machine schematic for the connections of these inputs with the IQAN Lx A0 module.Test Step 1. CHECK FOR AN OPEN CIRCUIT.
Turn the disconnect switch and the key start switch to the OFF position.
Disconnect the machine harness connectors from the IQAN Lx A0 module.
At the machine harness connector for the module, check the continuity to ground of the switch contacts with the switch that is activated and with the switch that is not activated. Refer to the complete machine schematic.Expected Result:The continuity check is NOT correct.Results:
YES - The continuity check is NOT correct. The harness or the switch is faulty. Proceed to Test Step 2.
NO - The continuity check is correct. Proceed to Test Step 3.Test Step 2. CHECK THE SWITCH.
Disconnect the machine harness from the switch.
Check the continuity to ground of the switch contacts with the switch that is activated and with the switch that is not activated.Expected Result:The continuity check is NOT correct.Results:
YES - The continuity check is NOT correct. The switch is malfunctioning.Repair: Repair the switch or replace the switch.STOP
NO - The continuity check is correct.Repair: Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK FOR A SHORT TO +BATTERY
At the machine harness connector for the module, check the continuity from each of the wires for the switch contact to the contact IQAN Lx A0-8 (wire 909-BU).Expected Result:Continuity exists between the source of the battery voltage and the switch circuit.Results:
YES - Continuity exists between the source of battery voltage. The machine harness is faulty.Repair: Repair the machine harness or replace the machine harness.STOP
NO - Continuity does not exist between the source of battery voltage and the switch circuit. The machine harness is correct. It is unlikely that the module is faulty. Exit this procedure and perform this procedure again.Repair: If the cause of the diagnostic code is not found, replace the module.STOP

Caterpillar parts catalog:

Caterpillar parts catalog
Product:

E450 TRACK-TYPE EXCAVATOR 3HG00001-UP (MACHINE) POWERED BY 6D22-TC ENGINE

INJECTION PUMP » c929702
INJECTION PUMP » c929789

Parts shim Caterpillar catalog:

0859883 SHIM
311, 311B, 311C, 312B, 312C, 312C L, 313B, 314C, 318C, 319C, 320 L, 320B, 320B FM LL, 320C, 320C FM, 320C L, 320D, 320D LRR, 321C, 323D L, 323D LN, E110, E110B, E120B, E200B, E450

0966351 SHIM
311, 311B, 311C, 312B, 313B, 320 L, 320B, 320B FM LL, E110, E110B, E120B, E200B, E450

0930074 SHIM
307B, 307C, 308D, 308E, 308E2 CR, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 324D, 325C, 325D L, 330B L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN...

0930106 SHIM
307B, 307C, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 325D L, 330B L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D MH, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 345D, ...

0930076 SHIM
312D2, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 350, 350 L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C L, 390D, 390D L, 390F L, 5080, E450, W3...

0930108 SHIM
312D2, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 350, 350 L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C L, 390D, 390D L, 390F L, 5080, E450, W3...