1990/09/17 Caterpillar

New Cylinder Head Group Available For Landfill Applications {1100,1104,1105}

Usage:

3516 SI Industrial Engines ( 3RC)

SUPPLEMENT: 05/27/91

Service Magazine; September 17, 1990; Page 7; "New Cylinder Head Group Available For Landfill Applications" on 3516...3RC SI Industrial Engines. The 9Y6882 and 9Y6883 Valve Guides have smaller inside diameters that need to reamed to 9.467 ± 0.013 mm (.3727 ± .0005 in) after installation.

Using a 5P5173 Reamer will give the correct dimensions when reaming the valve guides in the cylinder head.

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A new 9Y6880 Cylinder Head Group with corrosion resistant components is available for landfill applications which burn fuel that often contains corrosive compounds. Some of the improvements include chrome plated valve stems and tight fit valve guides with exhaust valve guides counterbored to form carbon dams. These changes will improve valve life.

The new 9Y6882 and 9Y6883 Valves Guides and 4P2852 Valves are available for parts service. The valve guides have smaller inside diameters that have to be reamed to 9.467± 0.013 mm (.3727 ± .0005") after being pressed into the head assembly.

Caterpillar Information System:

1990/09/17 Special Instruction SEHS9177, Has Adjustment Procedure For Door Latch Assemblies And Strikers {7308}

1990/09/10 Voltage Regulator Droop Connections Are Shown Incorrectly In Service Manuals{4475}

1990/09/10 New Timing Specifications{1552}

1990/09/10 New Remanufactured 0R6183 Control Group (Personality Module) Available{1902}

1990/09/10 New Alternator Drive Vee Belt Available{1357,1405}

1990/09/10 Engine Oil Lines Group Available To Relocate Oil Filter On 3208 Marine Engines{1318}

1990/09/10 New Stainless Steel Plug Used In Aftercooler Core Assembly{1064}

1990/09/03 New Service Tools Available{0600,0700}

1990/09/03 New Latching Fuel Solenoid Assemblies{1259}

1990/08/20 New Manifolds And Bellows Assemblies Used In Exhaust Manifold Group {1059}

1990/08/20 Injector Timing Standardized {1272,1290}

1990/08/20 Improvements To Reduce Black Exhaust Smoke {1088,1052,1065,1264,1278,1290,7525}

1990/09/17 Be Sure To Use Correct Piston Pin With New Pistons {1225,1214}

1990/09/17 New 4P0329 Pleasure Craft Cruise Kit Available For 3208 Marine Engines {1000}

1990/09/24 Sealing Threads On Switches And Sensors That Are Grounded Through The Case{1400,1900,3175,7422,7493}

1990/09/24 Standard Oval And High Temperature Oval Head Seals Available For Certain Hydraulic Cylinder Applications{7555,5102,5456}

1990/09/24 Incorrect Throttle Adjustment Can Cause Engine Surge{1913,0782,1900}

1990/09/24 Add Bolt Dampers To Oil Pump Mounting Bolts to Prevent Bolt Failures{1304}

1990/10/01 What's Your Answer? {0114,1400}

1990/10/01 Correct Light Bulb Replacement For The 8T9290 Borescope; New Light Bulb Used {0777}

1990/10/01 New 4C6090 Multichannel Temperature Selector Available To Aid In Diagnosing Low Power Complaints {0781}

1990/10/01 Incorrect Installation Of Slow-Moving Vehicle Sign (Triangle) May Affect Cooling Performance {7405,1353,7557}

1990/10/01 Answers To Quiz In This Issue {0114,1400}

1990/10/08 Serviced Parts Available For 8C4773 Electric Starting Motor Group{1453}