A New Plug and O-ring Are Now Used on the Cylinder Head {1100}
- Engine:
- C9 (S/N: X3R1-UP)
- Generator Set:
- C9 (S/N: C9E1-UP; SJB1-UP; C9A1-UP)
- Industrial Engine:
- C9 (S/N: JSC1-UP; MBD1-UP; JLW1-UP)
- Marine Engine:
- C9 (S/N: X9X1-UP; Z9X1-UP; X9Y1-UP)
- Petroleum Engine:
- C9 (S/N: P9L1-UP)
Description of Change:
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| Illustration 1 | g01459610 |
A new plug (1) and an O-ring are now used on the machines that are listed above. The new plug assembly has tighter tolerances that improve the sealing capability of the plug.
Adaptable To:
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| Illustration 2 | g01459594 |
(1) 321-8635 Plug (2) 214-7568 O-Ring Seal (3) 183-3407 Plug As | |
The 321-8635 Plug (1) and the 214-7568 O-Ring Seal (2) are a direct replacement for the 183-3407 Plug As (3). If a repair is made because of a 183-3407 Plug As, replace all of the 183-3407 Plug As with 321-8635 Plug and 214-7568 O-Ring Seal along the high pressure oil rail in the cylinder head.
Plug torque ... 35 ± 3.5 N·m (26 ± 3.00 lb ft)
The new plug and the O-ring are adaptable back to the first production of the listed engines.
Caterpillar Information System:
2008/02/25 A New Plug Assembly Is Used on the Cylinder Head of Certain Machines Engines {1100}
259B3 Compact Track Loader, 247B3 and 257B Series 3 Multi Terrain Loaders and 216B Series 3, 226B3, 236B3, 242B Series 3 and 252B Series 3 Skid Steer Loaders Sprocket
AP655D and BG655D Asphalt Pavers Sound Information and Vibration Information
2007/12/17 An Improved Fitting Assembly Is Available for Certain Backhoe Loaders to Improve Serviceability {6506}
R1700G Load Haul Dump Fire Extinguisher Location
259B3 Compact Track Loader, 247B3 and 257B Series 3 Multi Terrain Loaders and 216B Series 3, 226B3, 236B3, 242B Series 3 and 252B Series 3 Skid Steer Loaders Track Drive - Right Hand
450E Backhoe Loader MID 039 - CID 0168 - FMI 04
450E Backhoe Loader MID 039 - CID 0168 - FMI 03
2008/03/03 New Seals in the Main Hydraulic Pump Prevent Oil Leaks from the Pump Shaft {5070, 7555}
259B3 Compact Track Loader, 247B3 and 257B Series 3 Multi Terrain Loaders and 216B Series 3, 226B3, 236B3, 242B Series 3 and 252B Series 3 Skid Steer Loaders Track Drive - Left Hand
785D OEM Off-Highway Truck Hoist, Torque Converter and Brake Tank Oil Sample - Obtain
247B2 and 257B2 Multi Terrain Loaders Machine Systems Undercarriage - Left Hand
259B3 Compact Track Loader, 247B3 and 257B Series 3 Multi Terrain Loaders and 216B Series 3, 226B3, 236B3, 242B Series 3 and 252B Series 3 Skid Steer Loaders Track Tensioner
AP600D and BG600D Asphalt Pavers Specifications
R1700G Load Haul Dump Machine Electrical System Battery Isolation Control
AP600D and BG600D Asphalt Pavers Daily Inspection
R2900G (JLK) Load Haul Dump Retrofitting The Battery Isolation Control{1402, 1408, 1411} R2900G (JLK) Load Haul Dump Retrofitting The Battery Isolation Control{1402, 1408, 1411}
2007/12/17 Correction to Operation and Maintenance Manual , "Additional Messages" {7000}
2007/12/17 Correction to Operation and Maintenance Manual , "Indicators" {7400, 7450}
2007/12/17 Correction to Operation and Maintenance Manual , "Fuel Shutoff Valve" {1329}
2007/12/17 Correction to Operation and Maintenance Manual , "Steering Frame Lock" {7506}
2007/12/31 New Oil Suction Tube {1302}
2007/12/24 Combustion Inserts in the Cylinder Head {1100}
24M Motor Grader Machine Systems Battery - Remove and Install