PREVOST H3-41 Maintenance Manual page 67

CONTENTS
SECTION CHANGE LOG ....................................................................................................................................... 2
1. TORQUE TABLES ......................................................................................................................................... 3
1.1 FUEL SYSTEM ................................................................................................................................................. 3
1.2 MISCELLANEOUS TORQUES ........................................................................................................................... 3
2. FUEL SYSTEM . ............................................................................................................................................. 4
2.1 FUEL VALVES . ................................................................................................................................................. 4
2.2 FUEL FILTERS . ................................................................................................................................................. 4
2.2.1 Primary Fuel Filter Replacement . ........................................................................................................... 5
2.2.2 Secondary Fuel Filter Replacement . ....................................................................................................... 7
2.3 PRIMING THE FUEL SYSTEM .......................................................................................................................... 7
2.4 DAVCO FUEL PRO 382 . ................................................................................................................................... 8
2.4.1 Priming fuel system . ............................................................................................................................... 8
2.4.2 Filter replacement . ................................................................................................................................. 8
2.5 FUEL PUMP REMOVAL AND INSTALLATION .................................................................................................. 9
3. FUEL LINES AND FLEXIBLE HOSES ............................................................................................................... 1 0
4. PREHEATER FUEL FILTER ............................................................................................................................ 1 0
5. FUEL TANK . ................................................................................................................................................ 1 1
5.1 TANK REMOVAL . .......................................................................................................................................... 1 1
5.2 TANK INSTALLATION . ................................................................................................................................... 1 2
5.3 FUEL TANK VERIFICATION . ........................................................................................................................... 1 2
5.4 POLYETHYLENE FUEL TANK REPAIR ............................................................................................................. 1 3
6. FUEL SPECIFICATIONS ................................................................................................................................ 1 3
6.1 FUEL TYPE .................................................................................................................................................... 1 3
6.2 BLENDING .................................................................................................................................................... 1 4
6.3 BIODIESEL FUELS . ......................................................................................................................................... 1 4
6.3.1 Biodiesel Fuels and Preheater . ............................................................................................................. 1 4
6.3.2 Biodiesel Fuels and the Engine . ............................................................................................................ 1 4
7. AIR CLEANER (DRY TYPE) ........................................................................................................................... 1 4
7.1 PRE-CLEANER SERVICING . ............................................................................................................................ 1 5
7.2 AIR CLEANER SERVICING . ............................................................................................................................. 1 5
7.2.1 Checking restriction indicator .............................................................................................................. 1 5
7.2.2 Replacing the Filter .............................................................................................................................. 1 5
7.3 GENERAL RECOMMENDATIONS .................................................................................................................. 1 6
7.4 AIR CLEANER RESTRICTION INDICATOR . ...................................................................................................... 1 7
8. FUEL PEDAL ............................................................................................................................................... 1 7
8.1 FUEL PEDAL ADJUSTMENT . .......................................................................................................................... 1 7
8.2 POTENTIOMETER REPLACEMENT ................................................................................................................ 1 7
9. SPECIFICATIONS ........................................................................................................................................ 1 9
SECTION 03 : FUEL SYSTEM
PA1621 Maintenance Manual All Series | Section Revised September 2017 1