7N6021 MUFFLER AS Caterpillar parts
768C, 769C, 769D, 771C, 771D
Rating:
Alternative (cross code) number:
CA7N6021
7N-6021
7N6021
CA7N6021
7N-6021
7N6021
Weight: 89 pounds 40 kg.
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8N4975 Mufflerr Fits Catterpillarr 7N6021 771D 769D 771C 769C
SOLOGEAR Part Numbers: MUK40-0087, 8N4975
SOLOGEAR Part Numbers: MUK40-0087, 8N4975
8N4975 Mufflerr Fits Catrpillarr 7N6021 771D 769D 771C 769C
SOLOGEAR Part Number: MUK40-0087, 8N4975, 8N4975-A, 7N6021, 7N6021-A
SOLOGEAR Part Number: MUK40-0087, 8N4975, 8N4975-A, 7N6021, 7N6021-A
This part in 2 request:
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This information for suppliers only!
2021-01-21
2018-02-28
Number on catalog scheme:
1
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Compatible equipment models: 7N6021:
Information:
Engine:
G3606 (S/N: 3XF)
G3608 (S/N: 4WF)
G3612 (S/N: 1YG)
G3616 (S/N: 4CG)
The removal of the gas admission valve (GAV) on all G3600 engines requires the removal of the water manifolds and the disassembly of the GAV push rods. Use the following procedure for the disassembly and assembly of the GAV support assembly.
Drain the engine coolant.
Illustration 1 g00854713
Remove the water manifold sections (1) that are shown in figure 1.
Remove the valve cover from the cylinder head.
Illustration 2 g00854715
Remove the GAV pushrods (2). This can be done with a custom tool (3) or with another tool, which is at the discretion of the service technician. The tool compresses the GAV spring enough to remove the lower pushrod. When the lower pushrod is out of the way, the upper pushrod can be removed.Note: The lower pushrod can also be removed by loosening the adjusting screw. The GAV must be placed in the position that is required to adjust the lash setting. This is done by turning over the engine. Ensure that the engine is properly prelubed before turning.Note: Removal of the GAV does not require removal of the rocker arm assembly.
Remove the valve cover base (4) .
Remove the two bolts that hold the GAV support assembly in place.
Remove the GAV support assembly.Note: Prying may be required in order to free the GAV from the cylinder head bore. Be careful not to damage the GAV support during removal.
Perform the needed service on the GAV.
Reinstall all the hardware in the reverse order for reassembly of the GAV assembly.Note: The GAV lash setting must be reset after reassembly of the hardware.
Refill the cooling system.
Start the engine.
Check for leaks.
Make sure that the combustion characteristics of the cylinder with the repaired GAV are within the specifications at the rated speed and load conditions. Make the necessary adjustments in order to properly set the combustion characteristics of the cylinder.
G3606 (S/N: 3XF)
G3608 (S/N: 4WF)
G3612 (S/N: 1YG)
G3616 (S/N: 4CG)
The removal of the gas admission valve (GAV) on all G3600 engines requires the removal of the water manifolds and the disassembly of the GAV push rods. Use the following procedure for the disassembly and assembly of the GAV support assembly.
Drain the engine coolant.
Illustration 1 g00854713
Remove the water manifold sections (1) that are shown in figure 1.
Remove the valve cover from the cylinder head.
Illustration 2 g00854715
Remove the GAV pushrods (2). This can be done with a custom tool (3) or with another tool, which is at the discretion of the service technician. The tool compresses the GAV spring enough to remove the lower pushrod. When the lower pushrod is out of the way, the upper pushrod can be removed.Note: The lower pushrod can also be removed by loosening the adjusting screw. The GAV must be placed in the position that is required to adjust the lash setting. This is done by turning over the engine. Ensure that the engine is properly prelubed before turning.Note: Removal of the GAV does not require removal of the rocker arm assembly.
Remove the valve cover base (4) .
Remove the two bolts that hold the GAV support assembly in place.
Remove the GAV support assembly.Note: Prying may be required in order to free the GAV from the cylinder head bore. Be careful not to damage the GAV support during removal.
Perform the needed service on the GAV.
Reinstall all the hardware in the reverse order for reassembly of the GAV assembly.Note: The GAV lash setting must be reset after reassembly of the hardware.
Refill the cooling system.
Start the engine.
Check for leaks.
Make sure that the combustion characteristics of the cylinder with the repaired GAV are within the specifications at the rated speed and load conditions. Make the necessary adjustments in order to properly set the combustion characteristics of the cylinder.
Caterpillar parts catalog:
Parts muffler Caterpillar catalog:
7N6020
MUFFLER GP
768C, 769C, 769D, 771C, 771D
768C, 769C, 769D, 771C, 771D
1985312
MUFFLER GP
769D, 771D
769D, 771D
2256917
MUFFLER GP
769D, 771D
769D, 771D
3306, 3306B, 3406, 3406B, 3406C, 3408, 769D, 771D, C27, C32, TH48-E70
772B, 773B, 773D, 775B, 775D
4W0532
MUFFLER AS
777B, 789, 789B, 789C
777B, 789, 789B, 789C
789, 789B, 789C
784B, 784C, 785, 785B, 785C
1114352
MUFFLER AS
776C, 776D, 777B, 777D
776C, 776D, 777B, 777D
1939085
MUFFLER
735, 740
735, 740
1610695
MUFFLER AS
725, 730
725, 730
3107296
MUFFLER AS
785C
785C
1582318
MUFFLER AS
785C, 785D, 797, 797B
785C, 785D, 797, 797B
1597441
MUFFLER AS
773D, 773E, 775D, 775E
773D, 773E, 775D, 775E
1636559
MUFFLER AS
769D, 771D
769D, 771D