Exhaust Bypass Valve - Wastegate
The exhaust bypass valve is preset at the factory. However, adjustments may be necessary due to the following circumstances:
- Replacement of the exhaust bypass valve
- Altitude
- Changes in the ambient temperature
Use the following procedure to adjust the exhaust bypass valve for local conditions.
- Remove plug (1) and the seal. Loosen locknut (2).
- Turn adjustment screw (3) clockwise for approximately four turns to remove the function of the exhaust bypass valve. Be careful not to tighten the screw too far.
- Adjust the engine exhaust emissions according to Systems Operation/Testing and Adjusting, "Air/Fuel Ratio Control - Adjust".
Show/hide table
Work carefully around an engine that is running. Engine parts that are hot, or parts that are moving, can cause personal injury.
- After the desired exhaust emissions are obtained, turn adjusting screw (3) counterclockwise. Turn the screw to obtain the desired turbocharger speed according to the applicable Special Instruction:
Refer to the Special Instruction , M0086861 , "Installation and Initial Start-Up Procedure for G3500 TA Engines" for the procedure.
- When the operation is satisfactory, tighten locknut (2) to the torque that is listed in the engine Specifications.
- Install the seal and plug (1).
Show/hide table
| |
| Illustration 1 | g00814530 |
|
(1) Plug
(2) Locknut (3) Adjustment screw | |
Caterpillar Information System:
Smart Engine Management System (Smart EMS) HMI User Guide {1900, 1901, 1920, 7490, 7606, 7610, 7620, 79D0} Smart Engine Management System (Smart EMS) HMI User Guide {1900, 1901, 1920, 7490, 7606, 7610, 7620, 79D0}
G3516 TA Engine Crankshaft
C280-08 Marine Engine General Hazard Information
Installing a New Control Assembly for the Marine Monitoring System (MMS) {1900, 1901} Installing a New Control Assembly for the Marine Monitoring System (MMS) {1900, 1901}
A New Oil Cooler Available for Certain 3512C Well Service Engines {1378} A New Oil Cooler Available for Certain 3512C Well Service Engines {1378}
G3516 TA Engine Air/Fuel Ratio Control - Oxygen Feedback
Rework Procedure for New Support Bracket on Certain 374F and 390F Excavators Equipped with C18 Engines {1405, 1802} Rework Procedure for New Support Bracket on Certain 374F and 390F Excavators Equipped with C18 Engines {1405, 1802}
G3516 Petroleum Engines Oil Temperature Regulators - Remove and Install
793F Off-Highway Truck Engine Supplement Temperature Sensor (Exhaust Inlet) - Remove and Install
M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105} M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}
New Extended Probe Exhaust Thermocouples are Now Used on Certain Gas 3606 and 3608 Engines {1919} New Extended Probe Exhaust Thermocouples are Now Used on Certain Gas 3606 and 3608 Engines {1919}
New Extended Probe Exhaust Thermocouples are Now Used on Certain Gas 3612 and 3616 Engines {1919} New Extended Probe Exhaust Thermocouples are Now Used on Certain Gas 3612 and 3616 Engines {1919}
G3516 TA Engine Compression
NOx Sensor Installation and Handling Procedures for Certain G3500H Series Engines {1335, 1408, 191N} NOx Sensor Installation and Handling Procedures for Certain G3500H Series Engines {1335, 1408, 191N}
New Cage Clamp Style Terminal Block on Certain G3600 A4 ECM Terminal Blocks {4460, 4490, 7426, 7451} New Cage Clamp Style Terminal Block on Certain G3600 A4 ECM Terminal Blocks {4460, 4490, 7426, 7451}
New Harness Is Now Used on Certain G3600 Engines {1408} New Harness Is Now Used on Certain G3600 Engines {1408}
New Improved Emergency Stop Switch Contact Block is Now Used on Certain Gensets {1408, 7418} New Improved Emergency Stop Switch Contact Block is Now Used on Certain Gensets {1408, 7418}
XQP1100 Generator Set Configuration Parameters
G3516 Petroleum Engines Gear Group (Rear) - Remove
323F LN Excavator Machine Systems Pump Control (Negative Flow) - Test
New Exhaust Manifold Brackets Are Now Used on Certain G3500 Engines {0635, 1061} New Exhaust Manifold Brackets Are Now Used on Certain G3500 Engines {0635, 1061}
Regulatory Compliance Information General Information
3500E Marine Engines Sound Information
336 Excavator Machine Systems Refrigerant Receiver-Dryer - Remove and Install