PREVOST H3-41 Maintenance Manual page 71

CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 3
1. TORQUE TABLES ............................................................................................................................................. 4
1.1 FUEL SYSTEM ................................................................................................................................................. 4
1.2 MISCELLANEOUS TORQUES ........................................................................................................................... 4
2. FUEL SYSTEM .................................................................................................................................................. 5
2.1 FUEL VALVES .................................................................................................................................................. 5
2.2 FUEL FILTERS .................................................................................................................................................. 5
2.2.1 Primary Fuel Filter Replacement ............................................................................................................ 6
2.2.2 Secondary Fuel Filter Replacement ........................................................................................................ 8
2.3 PRIMING THE FUEL SYSTEM ........................................................................................................................... 8
2.4 DAVCO FUEL PRO 382 .................................................................................................................................... 9
2.4.1 Priming fuel system ................................................................................................................................ 9
2.4.2 Filter replacement .................................................................................................................................. 9
2.5 FUEL PUMP REMOVAL AND INSTALLATION ................................................................................................. 10
3. FUEL LINES AND FLEXIBLE HOSES .................................................................................................................. 11
4. PREHEATER FUEL FILTER ............................................................................................................................... 11
5. FUEL TANK.................................................................................................................................................... 12
5.1 POLYETHYLENE FUEL TANK .......................................................................................................................... 12
5.2 TANK REMOVAL (POLYETHYLENE) ............................................................................................................... 12
5.3 TANK INSTALLATION (POLYETHYLENE) ........................................................................................................ 13
5.4 FUEL TANK VERIFICATION (POLYETHYLENE) ................................................................................................ 13
5.5 POLYETHYLENE FUEL TANK REPAIR ............................................................................................................. 14
5.6 STEEL FUEL TANK (OPTIONAL) ..................................................................................................................... 14
5.7 STEEL FUEL TANK DRAIN PLUG .................................................................................................................... 14
5.8 STEEL TANK REMOVAL ................................................................................................................................. 15
5.9 STEEL TANK INSTALLATION .......................................................................................................................... 16
5.10 FUEL TANK YEARLY INSPECTION .................................................................................................................. 16
6. FUEL SPECIFICATIONS ................................................................................................................................... 17
6.1 FUEL TYPE .................................................................................................................................................... 18
6.2 BLENDING .................................................................................................................................................... 18
6.3 BIODIESEL FUELS .......................................................................................................................................... 18
6.3.1 Biodiesel Fuels and Preheater .............................................................................................................. 19
6.3.2 Biodiesel Fuels and the Engine ............................................................................................................. 19
7. AIR CLEANER (DRY TYPE) .............................................................................................................................. 19
7.1 PRE-CLEANER SERVICING ............................................................................................................................. 19
7.2 AIR CLEANER SERVICING .............................................................................................................................. 19
7.2.1 Checking restriction indicator .............................................................................................................. 19
7.2.2 Replacing the Filter .............................................................................................................................. 19
7.3 GENERAL RECOMMENDATIONS .................................................................................................................. 21
7.4 AIR CLEANER RESTRICTION INDICATOR ....................................................................................................... 21
8. FUEL PEDAL .................................................................................................................................................. 22
8.1 FUEL PEDAL ADJUSTMENT ........................................................................................................................... 22
SECTION 03 : FUEL SYSTEM
PA1621 Maintenance Manual All Series | Revised May 2018
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