Section 03: FUEL SYSTEM
PA1564
4
2.
FUEL LINES AND
FLEXIBLE HOSES
Make a visual check for fuel leaks at all engine-
mounted fuel lines and connections and at the
fuel tank suction and return lines. Since fuel
tanks are susceptible to road hazards, leaks in
this area may best be detected by checking for
accumulation of fuel under the tank. Engine
performance and auxiliary equipment is greatly
dependent on the ability of flexible hoses to
transfer lubricating oil, air, coolant and fuel oil.
Diligent maintenance of hoses is an important
step in ensuring efficient, economical and safe
operation of engine and related equipment.
MAINTENANCE
Check hoses daily as part of the pre-start-up
inspection. Examine hoses for leaks and
check all fittings, clamps and ties carefully.
Make sure that the hoses are not resting on or
touching shafts, couplings, and heated
surfaces, including exhaust manifolds, any
sharp edges or other obviously hazardous
areas.
Since all machinery vibrates and moves to a
certain extent, clamps and ties can fatigue with
age. To ensure continued proper support,
inspect fasteners frequently and tighten or
replace them as necessary. Refer to the
schematic diagram of the fuel system (Fig. 1).
CAUTION
Oil level above the dipstick full mark or a
decrease in lube oil consumption may indicate
internal fuel leaks. Check oil level frequently.
3. FUEL
VALVES
Manual shut-off valves on engine fuel-supply
line are located on the R.H. side of engine
compartment (Fig. 2). A manual shut-off valve is
located at the inlet side of the primary fuel filter
(fuel filter/water separator, if vehicle is so
equipped) under the starter or at the inlet side of
the optional Davco Fuel Pro 382 filter. Another
manual shut-off valve is located at the outlet
side of the secondary fuel filter, under the air
compressor. Shut-off valve are designed to
prevent loss of fuel prime at time of filter
replacement. No manual valve is required on
preheater fuel-supply line, since the positive-
displacement fuel pump (located close to the fuel
tank) prevents fuel flow when not activated.
FIGURE 2: FUEL FILTERS
03069
FIGURE 3: MANUAL SHUT-OFF VALVES LOCATION
03072
FIGURE 4: MANUAL SHUT-OFF VALVE WITH DAVCO
PRO 382
03077
Summary of Contents for LE MIRAGE XLII BUS SHELLS
Page 1: ...COACH MANUFACTURER MAINTENANCE MANUAL LE MIRAGE XLII BUS SHELLS PA1564 1ST EDITION...
Page 12: ...Section 00 GENERAL INFORMATION 10 PA1564 FIGURE 13 METRIC US STANDARD CONVERSION TABLE 00005...
Page 13: ...Section 00 GENERAL INFORMATION PA1564 11 FIGURE 14 CONVERSION CHART 00006...
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Page 63: ...SECTION 01 ENGINE PA1564 33 FIGURE 13 POWER PLANT CRADLE INSTALLATION 01140...
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Page 229: ...FAULT CODE MANUAL Created on 00 04 25 15 30 1 FAULT CODE MANUAL B7L B7TL B12...
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Page 379: ...Section 12 BRAKE AND AIR SYSTEM PA1564 21 FIGURE 38 AIR OPERATED BRAKING SYSTEM WE...
Page 380: ...Section 12 BRAKE AND AIR SYSTEM PA1564 22 FIGURE 39 AIR OPERATED BRAKING SYSTEM W5...
Page 387: ...Section 12 BRAKE AND AIR SYSTEM PA1564 29 FIGURE 46 ABS 6S 5M CONFIGURATION...
Page 418: ...16 BW2158 Honeywell Commercial Vehicle Systems Company 4 2001 Printed in USA...
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Page 926: ...PROCEDURE NO SAV00044 REVISION 00 Page 2 of 2 Slide out...
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Page 1086: ...Section 22 HEATING AND AIR CONDITIONING PA1564 18 FIGURE 17 DOUBLE SWEEP EVACUATION SET UP...
Page 1118: ...Section 22 HEATING AND AIR CONDITIONING PA1564 50 FIGURE 54 HEATER LINE SHUTOFF VALVES WE...
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Page 1125: ...Compressor 62 11052 Rev A WORKSHOP MANUAL for MODEL 05G TWIN PORT COMPRESSOR R...
Page 1126: ...WORKSHOP MANUAL COMPRESSOR MODEL 05G TWIN PORT...
Page 1149: ...Compressor 62 11053 Rev B SERVICE PARTS LIST for MODEL 05G TWIN PORT COMPRESSOR 1 2 3 4 5 6 R...
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Page 1223: ...Section 26 XLII SLIDE OUT PA1564 11...
Page 1224: ...Section 26 XLII SLIDE OUT PA1564 12 FIGURE 16 KEYLESS BUSHING INSTALLATION INSTRUCTION...