Cylinder Head Valves
Show/hide table
Illustration 1 | g06029142 |
Show/hide table
Specification for 497-5039 Cylinder Head Gp | |||
---|---|---|---|
Item | Qty | Part | Specification Description |
1 | 12 | 490-1728 Exhaust Valve | Before assembly of cylinder head valves, coat the valve guide inside diameter with clean engine oil. |
Diameter of valve head (D) is |
|||
Face angle (B) is 45.75 ± 0.25 degrees. | |||
2 | 12 | 490-1729 Inlet Valve | Before assembly of cylinder head valves, coat the valve guide inside diameter with clean engine oil. |
Diameter of valve head (E) is |
|||
Face angle (C) is 60.50 ± 0.25 degrees. | |||
3 | 24 | 349-5307 Spring | Length under test force is |
Test force is |
|||
Approximate free length after test is |
|||
4 | 24 | 349-5303 Spring | Length under test force is |
Test force is |
|||
Approximate free length after test is |
|||
Before assembly of valve guide, coat the cylinder head bore for valve guide with clean engine oil. | |||
5 | 24 | 255-8665 Valve Guide | Install the valve guide from the spring side of the cylinder head. Check the inside diameter of the valve guide for distortion after installation into the cylinder head. |
Outside diameter is |
|||
Inside diameter is |
|||
After assembly of the valve guide into the cylinder head, install the seal onto the top of the valve guide. | |||
A | - | Diameter of valve stem is |
Show/hide table
Illustration 2 | g06029143 |
Show/hide table
Item | Qty | Part | Specification Description |
F | - | - | Depth of the bore in the cylinder head for the inlet valve seat insert is |
Depth of the bore in the cylinder head for the exhaust valve seat insert is |
|||
G | 24 | - | Diameter of the inlet 255-8666 Valve Seat Insert is |
Bore in cylinder head for the inlet valve seat insert is |
|||
Diameter of the exhaust 262-2959 Valve Seat Insert is |
|||
Bore in cylinder head for the exhaust valve seat insert is |
Caterpillar Information System:
C1.7 and C2.2 Industrial Engine Intake Manifold Air Temperature Is High
New Wheel Bearing Bolts are Now Used on Certain 777F and 777G Off-Highway Trucks {4006, 4008, 4051, 7551, 755R} New Wheel Bearing Bolts are Now Used on Certain 777F and 777G Off-Highway Trucks {4006, 4008, 4051, 7551, 755R}
G3512 EPA Emergency and Non-Emergency Standby Generator Sets Engine Air Cleaner Service Indicator - Inspect
G3512 EPA Emergency and Non-Emergency Standby Generator Sets Turbocharger - Inspect
G3512 EPA Emergency and Non-Emergency Standby Generator Sets Overhaul (Top End)
C175-20 Locomotive Engine Fuel Rail Pressure - Release
A New Damper Is Used on Certain 3512C International Maritime Organization (IMO) II Engines {1205} A New Damper Is Used on Certain 3512C International Maritime Organization (IMO) II Engines {1205}
G3512 EPA Emergency and Non-Emergency Standby Generator Sets Engine Operation
New Software Is Used on Certain 3500 Tier 3 Marine Engines {1920} New Software Is Used on Certain 3500 Tier 3 Marine Engines {1920}
HPU300 Hydraulic Power Pack Before Operation
DG30, DG50, DG60, DG80, DG100, DG125 and DG150 Generator Sets Refill Capacities
G3512 EPA Emergency and Non-Emergency Standby Generator Sets General Hazard Information
G3512 EPA Emergency and Non-Emergency Standby Generator Sets Overhaul (In-Frame)
G3512 EPA Emergency and Non-Emergency Standby Generator Sets Overhaul (Major)
XQ570 Rental Generator Set Product Description
Energy Storage System Cell Additive - Replenish
C9.3 Tier 4 Final Engines Fuel Injection Pump
C9.3 Tier 4 Final Engines Cylinder Head
C175-20 Locomotive Engine Dosing Control System Operation
Well Stimulation Pumps General Hazard Information
New Engine Software and Fuel Injectors Are Available For Certain C175 Commercial Engines {1290, 1920} New Engine Software and Fuel Injectors Are Available For Certain C175 Commercial Engines {1290, 1920}
C175 Tier 4 Final Engines for Off-Highway Trucks SCR Warning System Problem
Well Stimulation Pumps System Pressure Release
XQ570 Rental Generator Set Plate Locations and Film Locations