Larger 7N1308 Secondary Air Filter Can Be Used In Place Of 1P8482 Secondary Air Filter{1054}
Usage:
3400 Vehicular Engines;
3406 ( 90U, 4FD, 1RK );
3408, 3408B ( 67U );
3412 ( 38S ) Industrial Engines;
3408, 3408B ( 78Z );
3412 ( 81Z ) Generator Set Engines
The 7N1308 Secondary Air Filter can be used in place of the 1P8482 Secondary Air Filter on these 3400 Engines. The 7N1308 Filter has 36% more filter area. It was designed for singular use while 1P8482 was designed for dual use.
Caterpillar Information System:
1991/07/01 New Exhaust Manifold Gasket Available{1059}
1991/07/01 IRM Announces New Contour Series Operators' Seats{7312,7324}
1991/07/01 New Thermostatic Switches Used In Air Conditioning Systems{7320}
1991/07/01 Installation Procedure For Asbestos-Free Brake Linings{4110}
1991/07/01 High Pressure Wash Down System May Not Develop Satisfactory Flow And Pressure{5612}
1991/07/01 Three-Point Hitch Draft Control Can Be Added To Challenger 65 7YC1-1712 Tractors{7120}
1991/07/01 New Side Shift Stabilizer Cylinder Has Nonmetallic Bearings{5468}
1991/07/01 Crossover Relief Valves Disabled To Eliminate Swing Drift{5111,5105,5454}
1991/07/01 Areas To Check When An Oil Leak Is Located At The Rear Of The Engine{1161,1201,1307}
1991/06/24 Air Starter Relay Valve Improved{1462}
1991/06/24 New Flexible Indicator Shows When Dump Body Is Down{7258,7553}
1991/06/24 First Speed (Rotating) Clutch Has New Inner Hub For Longer Service Life{3155}
1991/07/08 Minimizing Black Smoke on 776B Tractors; 777B, 785, and 789 Trucks{1088,1052,1059,1063,1264,1278,1290}
1991/07/08 Procedure To Prevent Rear Wheel Bearing Cones From Rotating On Axle Housing{4234,4205}
1991/07/08 New Brake Hoses And Support Hoses Are More Resistant To Wear{4257}
1991/07/08 Stronger Bearing Clamps For Rear Suspension A-Frames{7200,7050}
1991/07/08 Remote Mounted Air Conditioner Condenser Group Required When Converting From Folded Core Radiator To Multiple Row Module Radiator On Machines Equipped With 1W9447 or 1W4559 Radiator Groups{1805,1801,1353}
1991/07/08 3T2739 Fire Sensor Switch Assembly Canceled; Special Instruction Available To Install New Switch Assembly{7401}
1991/07/08 Correct Margin Pressure For 416 Turbo Plus Backhoe Loaders{5086,5070,5084}
1991/07/08 Operation Of Brake Accumulator Warning Light{7416,4263}
1991/07/08 New Flywheel Cover In Input Shaft Group Prevents Dust-Induced Failures Of Starter Drives{1157}
1991/07/08 Crown Chain Tensioner Available For VIP Screeds{6647,6640}
1991/07/08 Add Drain Hole To Battery Box To Prevent Battery Damage{7257,1401}
1991/07/08 Right Deck Door May Contact Positive Battery Cable{7257,1402,7253}