6I6590 IDLER & BEARING AS Caterpillar parts
311, 311B, 311C, 311D LRR, 311F LRR, 312, 312B, 312B L, 312C, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313B, 313D, 313D2, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, E110B, E120B
Rating:
Alternative (cross code) number:
CA6I6590
6I-6590
6I6590
CA6I6590
6I-6590
6I6590
Weight: 117 pounds 53 kg.
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2022-07-14
2020-02-20
Compatible equipment models: 6I6590:
Number on catalog scheme:
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Illustration 4 g01343617
Hand Fuel Priming Pump
The pump has a plunger (29) which is manually operated in order to prime the fuel system. Air is removed from the fuel system to the fuel return line to the tank. The fuel transfer pump is located in the fuel injection pump.
Illustration 5 g01343630
Electric Fuel Priming Pump
The electric fuel priming pump can be installed on some engines.Secondary Fuel Filter
Illustration 6 g01343642
Typical example
The secondary fuel filter (30) is located after the priming pump. The filter is always before the fuel injection pump.Fuel Pump Assembly
The fuel pump assembly consists of a low pressure transfer pump and a high pressure fuel injection pump. The pump assembly is driven from a gear in the front timing case at half engine speed. The fuel injection pump has two pistons that are driven by a camshaft. There is a cam for each piston and each cam has three lobes. The fuel injection pump delivers a volume of fuel six times for each revolution. The stroke of the pistons is fixed. The injector will use only part of the fuel that is delivered by each stroke of the pistons in the pump. The solenoid for the fuel injection pump is controlled by the ECM in order to maintain the fuel manifold pressure at the correct level. The solenoid allows excess fuel to be diverted away from the fuel manifold and back to the tank. A feature of the fuel injection pump allows fuel to return to the tank continuously.Fuel injection Pump
Illustration 7 g01343647The fuel injection pump has the following operation:
Generation of high pressure fuelThe fuel output of the fuel injection pump is controlled by the ECM in response to changes in fuel pressure.Fuel Transfer Pump
Illustration 8 g01343648The fuel transfer pump is a serviceable component.The fuel transfer pump provides a relatively low fuel pressure to the fuel injection pump. The fuel transfer pump has a regulating valve in order to control the low pressure. The fuel transfer pump circulates fuel through the primary fuel filter and the secondary fuel filter. The fuel transfer pump has a fuel bypass valve in order to allow the low pressure fuel system to be primed.Shutoff
The engine shuts off by interrupting the fuel supply. The ECM specifies the amount of fuel. The quantity of the fuel that is required by the ECM is set to zero.Control
Illustration 9 g01216984
Electronic control for the fuel system (typical example)
The ECM determines the quantity, timing and pressure of the fuel in order to be injected into the fuel injector.The ECM uses input from the sensors on the engine. These sensors include the speed/timing sensors and the pressure sensors.The ECM controls the fuel pressure by increasing or decreasing the flow of fuel from the fuel injection pump. The ECM controls the timing and the flow of fuel by actuating the injector solenoid.The amount of fuel is proportional to the duration of the signal to the injector solenoid.Fuel Injectors
Illustration 10 g01343650The fuel injectors are not serviceable.When the ECM sends a signal to the injector solenoid, a valve inside the
Cat SIS web machinery list:
Parts idler Caterpillar catalog:
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320...
311, 311B, 312, 312B, 315, 315B, 315B FM L, 315B L, 315C, 317, 317B LN, 318B, 318C, 319C, 320 L, 320B, 320B FM LL, 320B L, 320B U, 320C, 320C FM, 320N, 321B, 321C, 325D, 329D L, 345C L, OEMS
311, 311B, 311C, 311D LRR, 311F LRR, 312, 312B, 312B L, 312C, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313B, 313D, 313D2, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, E110B, E120B
5Q3167
IDLER GP-FRONT
311, 312
311, 312
5Q3168
IDLER GP-FRONT
311, 312
311, 312
3421306
IDLER AS
120M 2, 2384C, 2484C, 2570C, 2670C, 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323E L, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 416F, 420F, 428F, 4...
120M 2, 2384C, 2484C, 2570C, 2670C, 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323E L, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 416F, 420F, 428F, 4...
1154926
IDLER & BEARING AS
311, 311B, 312, 312B, 315, 315B L, 315C, 317, 317B LN, 318B, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 321C, OEMS
311, 311B, 312, 312B, 315, 315B L, 315C, 317, 317B LN, 318B, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 321C, OEMS
2624781
IDLER & BEARING AS
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320...
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320...
311B, 311C, 312C, 312C L, 314C, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D LRR, 321B, 321C, 323D L, 323D LN
0936937
IDLER WHEEL AS.
311, E110B, E140
311, E110B, E140
5Q3169
IDLER AS
312
312
0990161
IDLER WHEEL ASSY.
E110B, E120B
E110B, E120B
1154926
IDLER & BEARING AS
311, 311B, 312, 312B, 315, 315B L, 315C, 317, 317B LN, 318B, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 321C, OEMS
311, 311B, 312, 312B, 315, 315B L, 315C, 317, 317B LN, 318B, 318C, 319C, 320 L, 320B, 320C, 320C FM, 320C L, 321C, OEMS
3456934
IDLER
329E LN, 924K, C4.4
329E LN, 924K, C4.4
3433466
IDLER AS
C4.4, C7.1
C4.4, C7.1
3421308
IDLER AS
C4.4, C7.1, CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-76B, CS-78B
C4.4, C7.1, CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-76B, CS-78B
3295247
IDLER
C7.1
C7.1
3445602
IDLER AS
C9.3
C9.3
1722018
IDLER
303, 303.5
303, 303.5
303, 303.5
2624781
IDLER & BEARING AS
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320...
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320...
302.5
2264050
IDLER
301.5, 301.6C
301.5, 301.6C
2778668
IDLER & BEARING AS
307, 307B, 307C, 307D, 307E, 308C
307, 307B, 307C, 307D, 307E, 308C