2048511 HOSE AS Caterpillar parts
385B
Rating:
Alternative (cross code) number:
CA2048511
204-8511
2048511
CA2048511
204-8511
2048511
Weight: 20 pounds 9 kg.
EXCAVATOR,
Compatible equipment models: 2048511:
Number on catalog scheme:
30
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Information:
Introduction
This procedure checks for air in the fuel system. This procedure also assists in finding the source of the air. Required Tools
Table 1
Required Tools
Part Number Part Description Qty
2P-8278 Tube As (Sight Gauge) 1 Test Procedure
Work carefully around an engine that is running. Engine parts that are hot, or parts that are moving, can cause personal injury.
Examine the fuel system for leaks. Ensure that the fuel line fittings are properly tightened. Check the fuel level in the fuel tank. Air can enter the fuel system on the suction side between the fuel transfer pump and the fuel tank.
Install a 2P-8278 Tube As (Sight Gauge) in the fuel return line. When possible, install the sight gauge in a straight section of the fuel line that is at least 304.8 mm (12 inch) long. Do not install the sight gauge near the following devices that create turbulence:
Elbows
Relief valves
Check valvesObserve the fuel flow during engine cranking. Look for air bubbles in the fuel. If there is no fuel that is present in the sight gauge, prime the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime" for more information. If the engine starts, check for air in the fuel at varying engine speeds. When possible, operate the engine under the conditions which have been suspect.
Illustration 1 g00578151
2P-8278 Tube As (Sight Gauge) (1) A steady stream of small bubbles with a diameter of approximately 1.60 mm (0.063 inch) is an acceptable amount of air in the fuel. (2) Bubbles with a diameter of approximately 6.35 mm (0.250 inch) are also acceptable if there are 2 seconds to 3 seconds intervals between bubbles. (3) Excessive air bubbles in the fuel are not acceptable.
If excessive air is seen in the sight gauge in the fuel return line, install a second sight gauge at the inlet to the fuel transfer pump. If a second sight gauge is not available, move the sight gauge from the fuel return line and install the sight gauge at the inlet to the fuel transfer pump. Observe the fuel flow during engine cranking. Look for air bubbles in the fuel. If there is no fuel that is present in the sight gauge, prime the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime" for more information. If the engine starts, check for air in the fuel at varying engine speeds.If excessive air is not seen at the inlet to the fuel transfer pump, the air is entering the system after the fuel transfer pump. Refer to the Testing and Adjusting, "Fuel System - Prime".If excessive air is seen at the inlet to the fuel transfer pump, air is entering through the suction side of the fuel system.
To avoid personal injury, always wear eye and face protection when using pressurized air.
To avoid damage, do not
This procedure checks for air in the fuel system. This procedure also assists in finding the source of the air. Required Tools
Table 1
Required Tools
Part Number Part Description Qty
2P-8278 Tube As (Sight Gauge) 1 Test Procedure
Work carefully around an engine that is running. Engine parts that are hot, or parts that are moving, can cause personal injury.
Examine the fuel system for leaks. Ensure that the fuel line fittings are properly tightened. Check the fuel level in the fuel tank. Air can enter the fuel system on the suction side between the fuel transfer pump and the fuel tank.
Install a 2P-8278 Tube As (Sight Gauge) in the fuel return line. When possible, install the sight gauge in a straight section of the fuel line that is at least 304.8 mm (12 inch) long. Do not install the sight gauge near the following devices that create turbulence:
Elbows
Relief valves
Check valvesObserve the fuel flow during engine cranking. Look for air bubbles in the fuel. If there is no fuel that is present in the sight gauge, prime the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime" for more information. If the engine starts, check for air in the fuel at varying engine speeds. When possible, operate the engine under the conditions which have been suspect.
Illustration 1 g00578151
2P-8278 Tube As (Sight Gauge) (1) A steady stream of small bubbles with a diameter of approximately 1.60 mm (0.063 inch) is an acceptable amount of air in the fuel. (2) Bubbles with a diameter of approximately 6.35 mm (0.250 inch) are also acceptable if there are 2 seconds to 3 seconds intervals between bubbles. (3) Excessive air bubbles in the fuel are not acceptable.
If excessive air is seen in the sight gauge in the fuel return line, install a second sight gauge at the inlet to the fuel transfer pump. If a second sight gauge is not available, move the sight gauge from the fuel return line and install the sight gauge at the inlet to the fuel transfer pump. Observe the fuel flow during engine cranking. Look for air bubbles in the fuel. If there is no fuel that is present in the sight gauge, prime the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime" for more information. If the engine starts, check for air in the fuel at varying engine speeds.If excessive air is not seen at the inlet to the fuel transfer pump, the air is entering the system after the fuel transfer pump. Refer to the Testing and Adjusting, "Fuel System - Prime".If excessive air is seen at the inlet to the fuel transfer pump, air is entering through the suction side of the fuel system.
To avoid personal injury, always wear eye and face protection when using pressurized air.
To avoid damage, do not
Caterpillar parts catalog:
Parts hose Caterpillar catalog:
120B, 120G, 120H, 120H ES, 120H NA, 120M, 120M 2, 12G, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H NA, 140B, 140G, 140M, 140M 2, 140M 3, 140M 3 AWD, 14G, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 215, ...
120M, 12M, 216, 216B, 216B3, 226B, 226B3, 228, 2290, 232B, 235C, 236, 236B, 236B3, 236D, 2384C, 2390, 2391, 242B, 242B3, 242D, 246C, 246D, 247, 247B, 247B3, 248, 2484C, 2491, 252B, 252B3, 256C, 257B, ...
235C, 242B3, 257B3, 259B3, 301.5, 302.5, 3176, 3306B, 3406B, 3406C, 3406E, 3456, 35, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 416D, 420D, ...
24M, 3406B, 3406C, 3406E, 3456, 385B, 5090B, 651B, 657B, 824C, 824G, 824G II, 824H, 825G II, 825H, 826G II, 826H, 834G, 834H, 836G, 836H, 980G, 980G II, 980H, 986H, 988G, 988H, AD30, AD45B, AD55, C-15...
3406B, 3406C, 3406E, 3456, 385B, 5090B, 651B, 725, 730, 834G, 836G, 988G, C-15, C-16, C11, C13, C15, C16, C18, CX31-C13I, CX31-C15I, CX35-P800, D8T, MTC835, PM-200, RM-300, TH35-C13I, TH35-C15I
3116, 3126, 3208, 3306B, 3508, 3508C, 3512, 3512B, 3516, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, 5090B, 515, 525, 525B, 525C, 535B, 535C, 545, 545C, D379, D379B, D7G, ...
307C, 311C, 311D LRR, 311F LRR, 312C, 312C L, 312D, 312D L, 312E, 312E L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 316E L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 32...
307C, 312C, 312C L, 315C, 318C, 319C, 320 L, 320B, 320C, 320C FM, 322 LN, 322B, 322B L, 322B LN, 322C, 325 LN, 325B L, 325C, 330, 330 FM L, 330 L, 330B, 330B L, 330C, 345B II, 345B L, 385B, 385C, 385C...
307C, 311C, 311D LRR, 312C, 312C L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 316E L, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320B FM LL, 320C, 320D, 3...
311D LRR, 311F LRR, 312C L, 315C, 318C, 320B, 320C, 320C L, 320D, 320D L, 320E LRR, 321C, 321D LCR, 322B, 322B L, 322B LN, 322C, 322C FM, 323D L, 324D, 324D L, 324D LN, 325B, 325B L, 325C, 325C FM, 32...
315C, 318C, 319C, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 322C, 322C FM, 323D L, 323D LN, 323D2 L, 325C, 325C FM, 325C L, 350, 385B
314C, 318C, 319C, 320B, 320B U, 320C, 321C, 322, 322 FM L, 322 LN, 322B, 322B L, 322B LN, 322C, 322C FM, 323D L, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325B, 325B L, 325C, 325C FM, 325C L, 325D, ...
2048512
HOSE AS
385B
385B
1735122
HOSE AS
365B II, 385B
365B II, 385B
1876914
HOSE AS
385B
385B
1797441
HOSE AS
385B
385B
1735118
HOSE AS
385B
385B
1735116
HOSE AS
385B
385B
2441861
HOSE AS
385B, 385C L
385B, 385C L
2451491
HOSE AS
365B, 365B II, 365C, 365C L, 385B, 385C L
365B, 365B II, 365C, 365C L, 385B, 385C L
2076419
HOSE AS
365C, 365C L, 385B
365C, 365C L, 385B
1764818
HOSE AS
385B
385B
1876947
HOSE AS
385B
385B
1764817
HOSE AS
385B
385B