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SHEET 3420979 - Caterpillar



3420979 SHEET Caterpillar parts 312D, 312D L SHEET
Rating:
45
Alternative (cross code) number:
CA3420979
342-0979
3420979
Caterpillar 3420979 SHEET
Weight: 24 pounds 11 kg.

Buy SHEET 3420979 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

Compatible equipment models: 3420979:

EXCAVATOR  312D   312D L   Caterpillar
Number on catalog scheme: 7
 
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3420979 Images:
Caterpillar parts 3420979
Caterpillar parts 3420979

Information:

System Operation
Synchronization System
The 3408/3412 Marine Engine arrangement allows the operator to synchronize both engines on either one of the two throttle signals. To accomplish this, two switch inputs on the ECM are used. The following code determines the throttle usage: For each individual engine, a - Battery - Battery, - Battery + Battery and + Battery + Battery code means the throttle signal in use is the Primary Throttle Signal. A + Battery - Battery code means the throttle signal in use is the Secondary Throttle Signal. This switch is OEM supplied. If Caterpillar synchronization system is not used, then no wires should be connected to pins 1, 2 and 3 of the P2 connector. If the optional CMS display is being used, then engine location (PORT or STBD) must be programmed into the ECM using a service tool (ECAP). The status of the % Throttle and Desired Engine Speed should change when the synchronization switch is changed from independent to PORT or STBD.For example: If the PORT desired speed is set to 1500 rpm and the STBD desired speed is set to 2000 rpm and the synchronization switch is moved from independent to PORT, the Desired Engine Speed for both engines will be 1500 rpm. If the PORT throttle lever is moved the Desired Engine Speed for both engines will change.Schematic
Functional Test

Caterpillar parts catalog:

Caterpillar parts catalog
312D L Excavator SKA00001-UP (MACHINE) POWERED BY C4.2 Engine
312D & 312D L Excavators KES00001-UP (MACHINE) POWERED BY C4.2 Engine
312D L Excavator XGK00001-UP (MACHINE) POWERED BY C4.2 Engine
312D & 312D L Excavators PHH00001-UP (MACHINE) POWERED BY C4.2 Engine
312D2 & 312D2 L Excavators GWN00001-UP (MACHINE) POWERED BY 3054C Engine
313D2 & 313D2 GC Excavators FAP00001-UP (MACHINE) POWERED BY C4.4 Engine


Parts sheet Caterpillar catalog:

2833649 SHEET-RUBBER
312D, 312D L, 313D
2833933 SHEET-RUBBER
312D, 312D L, 313D
2833934 SHEET-RUBBER
312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2
2833632 SHEET AS
312D, 312D L, 313D
3346493 SHEET AS
312D, 312D L, 312E, 312E L, 315D L, 316E L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D LN, 323D SA, 323E L, 324D, 324D L, 324E, 32...
3346497 SHEET AS
312D, 312D L, 312E, 312E L, 315D L, 316E L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D LN, 323D SA, 323E L, 324D, 324D L, 324E, 32...
3421094 SHEET AS
314D CR, 314D LCR
3346497 SHEET AS
312D, 312D L, 312E, 312E L, 315D L, 316E L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D LN, 323D SA, 323E L, 324D, 324D L, 324E, 32...
3346493 SHEET AS
312D, 312D L, 312E, 312E L, 315D L, 316E L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D LN, 323D SA, 323E L, 324D, 324D L, 324E, 32...
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