4. FUEL TANK AND LINES AND FITTINGS.

TM-5-3805-262-20 Loader Scoop Type DED 4x4 Articulated Frame Steer 2-1/2 Cubic Yard (J.I. Case Model MW24C) Manual
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TM 5-3805-262-20 1-18. FUEL SYSTEM (CONT) 3. AIR PRECLEANED AND CLEANER. Two stage filter containing a primary filter and a s e c o n d a r y f i l t e r . A i r r o u t e d t o c y l i n d e r s i s f i l t e r e d t h r o u g h b o t h t h e s e f i l t e r s. Thus, dust and dirt reaching engine is held to a minimum. Air compressor receives its input air via air cleaner by a fitting connected to air cleaner adapter mounted on intake manifold. 4. FUEL TANK AND LINES AND FITTINGS. Fuel tank holds approximately 58 gallons of D i e s e l f u e l ; located at rear of loader. Fuel filler neck and removable cap located at right rear of loader and is accessible by removing right rear side panel. Drain plug located at bottom of fuel tank . Fuel lines and fittings connect fuel tank to electric fuel pump, first and second stage fuel filters, and to fuel injection pump . 5. ELECTRIC FUEL PUMP. Pumps Diesel fuel from fuel tank to fuel filters then to fuel injection pump. Mounted on front center of fuel tank. With ignition key switch in on position, fuel pump will emit a slight buzz indicating proper operation. Pump consists of coil, plunger, and breaker points. With coil energized, plunger moves in plunger bore which opens and closes breaker points. With plunger at top of plunger tube, breaker points are closed. Coil is then energized, and plunger is pulled to bottom of plunger tube compressing plunger spring. Check valve in plunger opens and fuel flows through plunger. With plunger at bottom of plunger tube, breaker points are opened and coil is deenergized. Plunger spring returns plunger to top of plunger tube. During up stroke of plunger, check valve is closed and fuel is pushed into fuel line. Valve at bottom of plunger tube opens and fuel flows into bottom of plunger tube for next cycle. 6. COLD START KIT. Consists of push type switch mounted on right instrument panel, solenoid mounted on cold start cylinder, and atomizer installed in engine intake manifold. Cold start cylinder mounted in engine compartment, on left post near en- gine. COLD START switch operates only when ignition key switch is in Start position. Depressing COLD START switch energizes solenoid, spraying ether into engine intake manifold only when engine cranked. 7. ACCELERATOR. Consists of accelerator pedal connected by cable to fuel injection pump and fuel shutoff control connected to fuel injection pump fuel shutoff lever . 1-19. EXHAUST SYSTEM Consists of muffler and tail pipe. Muffler quiets noise from engine operation. Connected to exhaust manifold and m o u n t e d a b o v e e n g i n e . T a i l p i p e c h a n n e l s e n g i n e combustion byproducts from muffler to rear of loader. 1-20. COOLING SYSTEM 1. RADIATOR. Engine coolant circulated through radiator giving up its heat to air stream developed by belt driven fan. Cooled coolant drawn from bottom of radiator by water pump and discharged into lower part of cylinder block. Radiator also has cooler built into its bottom for cooling transmission hydraulic oil. Radiator located at r e a r o f l o a d e r. 1-16

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