1999/09/13 Caterpillar


Manual Fuel Priming Pump {1258}

Usage:


AP-1055B (8BM, ABB),
BG-2455C (6TN, ACM),
AP-1000B (7HN),
BG-260C (8GN),
AP-1050B (6ZN),
BG-245C (4XN) Asphalt Pavers

The procedure in this article will replace the following procedures:

* "Fuel System - Prime" in KEBU6838-03 Operation and Maintenance Manual for AP-1055B/BG-2455C, Pg. 136.
* "Fuel System - Prime" in KEBU6893-02 Operation and Maintenance Manual for AP-1000B/BG-260C, Pg. 134.
* "Priming the Fuel System" in KEBU6855-01, Operation and Maintenance Manual for AP-1050B, Pg. 96.
* "Priming the Fuel System" in KEBU6856-01, Operation and Maintenance Manual for BG-245C, Pg. 96.

1. Place a suitable container under the drain valve (1) of the secondary fuel filter. Open the drain valve (1) on the right of the secondary fuel filter.

2. Push down on top of the Fuel Priming Pump Plunger (2) and release the fuel priming plunger in order to operate the fuel priming pump. Operate the Fuel Priming Pump Plunger (2) in order to fill the new filter element. Continue to prime the fuel system until a steady flow of fuel comes out of the Drain Valve (1). Close the Drain Valve (1) of the secondary fuel filter.

3. Pump the fuel system priming pump for ten additional strokes. The fuel system is primed when resistance is felt in the system.

4. Start the engine. If the engine will not start, further priming is necessary. If the engine starts but the engine continues to misfire, further priming is necessary. If the engine starts but the engine continues to emit smoke, further priming is necessary.

5. If the engine starts but the engine runs rough, continue to run the engine at low idle. Continue to run the engine at low idle until the engine runs smoothly. If all other required work is completed, close the engine hood.

Caterpillar Information System:

1999/09/13 New Bottom Guard Pulley And New Ladder Pulley Used {7153,7254}
1999/09/13 New High Pressure Grease Lines Used {7510}
1999/09/13 Improved Fuel Filling Time With Retrofit Kit {1273}
1999/09/13 Service Parts Are Now Available For Telehandler Steering Arm Groups {4305}
1999/09/13 Corrected Torque Values For Oscillating Front Axles, Fixed Front Axles, And Rear Axles That Are Incorrect in SENR5839 {3250}
1999/09/13 New Connector Protects Pilot Control Valve {5059}
1999/09/13 Hood Liner Support Brackets Modified To Eliminate Interference With Air Conditioner Compressor Switch {7251}
1999/09/13 Plate Kit Now Available To Reduce Asphalt Accumulation In The Engine Compartment {7051}
1999/09/13 New Custom Product Support Literature Is Available For 785C Off-Highway Trucks {0374,1428}
1999/09/13 A New 90° Muffler Elbow Is Available For Certain Off-Highway Trucks {1061}
1999/09/13 Improved Window Latches Are Retrofittable {7308,7310}
1999/09/13 New Blade Tip Cylinder Bracket Increases Wear Strip Life {5254,6174}
1999/09/13 New Cleanout Filters Available For Hydraulic Systems And Drive Trains {5068}
1999/09/13 Improved Rotor Hood Side Disk Pivot Now Available {5608,6635}
1999/09/13 New 173-1530 Injector Seating Tool Group Available {0710,1290}
1999/09/13 Wider Crankshaft Gear Used {1204}
1999/09/20 Belt Disposal {4150,4198}
1999/09/20 Effectivity Of Product Support Literature For Caterpillar Monitoring System {0374,7490}
1999/09/20 Spacers Ease Manual Greasing Of Auto Lubrication Machines {7540}
1999/09/20 Special Instruction For Rebuilding The Backhoe Loader Pin Bores Is Now Available {6101,6104,6119,6501,6502,6503,6506,6508,6515,6518,6533,7054,7222}
1999/09/20 Reduced Effort All Wheel Steer Brake Pedal Available {4265,4269}
1999/09/20 Procedure to Install Rear Axle on Certain Off-Highway Trucks Has Been Changed {3278,4208}
1999/09/20 Front Suspension Strut Plate Will Maintain Correct Position Of Retainers {7201}
1999/09/20 VIMS-PC Version 2.4.3 MST Upgrade Now Available {7601,7620}
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