Ford 1949-50-51 F-Series Truck Shop Manual Download Page 27 | Manualshive

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Summary of Contents for 1949-50-51 F-Series Truck

Page 1: ...1949 50 51 F SERIES TRUCKS SHOP MANUAL WITH 1952 SUPPLEMENT FORD D I YISION FORD MOTOR COMPANY ...

Page 2: ... he er r This product was created from the original Ford Motor Company s publication Every effort has been made to use the original scanned images however due to the condition of the material some pages have been modified to remove imperfections Disclaimer Although every effort was made to ensure the accuracy of this book no representations or warranties of any kind are made concerning the accurac...

Page 3: ...1949 50 51 RD F sERIEs TRUCKS SHOP MANUAL FORM 7099 A Copyri ht 1951 FORD MOTOR COMPANY DEARBORN MICHIGAN AU rilhu rnerved FORD DIYISION FORD MOTOR COMPANY April 1951 ...

Page 4: ...els tires brakes springs sus pension frames steering gear and linkages etc Part THREE ELECTRICAr AND AC CESSORIES covers all of the electrical systems and units other than ignition which is covered in Part ONE and accessories for Ford Truck models Part FOUR BODIE contains complete in formation on the maintenance and repair of all body components including adjustment and alignment not only of the b...

Page 5: ...d Bearings 66 8 Flywheel Crankshaft and Bearings 69 9 Piston and Connecting Rod Assemblies 70 CHAPTER V E SERIES 8 CYLINDER ENGINE Section 1 Manifolds 74 Section 6 Valves Valve Guides Hydraulic Lifters 2 Cylinder Heads 75 and Tappets 81 3 Oil Pan Oil Pump arid Pressure 7 Camshaft Gear Camshaft and Bearings 84 Relief Valve 77 8 Flywheel Crankshaft and Bearings 86 4 Crankshaft Damper 80 9 Piston and...

Page 6: ...tion 4 Windshield and Rear Window 303 2 Window Regulators 300 5 Seats and Interior Trim 304 3 Door Glass and Ventilator Assembly 301 CHAPTER III FRONT END SHEET METAL AND RUNNING BOARDS Section 1 Front End Sheet Metal Replacement 308 2 Radiator Grille 309 3 Hood and Component Parts 312 Section 4 Fenders and Running Board 316 5 Cab Replacement 317 6 Platform Body Replacement 319 Part FIVE MAINTENAN...

Page 7: ... removal of any engine are covered immediately follow ing the heading for a certain type truck The major head ings are a Conventional Truck and b Cab Over Engine Specific information for each engine is covered under headings 1 H or M Series Engine Removal 2 H or M Series Engine Installation 3 R Series Engine Removal 4 R Series Engine Installation 5 E Series Engine Removal and 6 E Series Engine Ins...

Page 8: ...n it with the flywheel housing Shift the trans mission into any gear Start the transmission main shaft Engine liffing Eye Too _6000 P 1216 fig Engine Lift Bracket for H or M Series Engines into the clutch disc spline If the spline grooves do not mesh turn the crankshaft slowly until the main shaft slides into the clutch disc spline Install the transmission to flywheel housing bolts and tighten to ...

Page 9: ... and crankcase according to the prevailing temperatures b Cab Over Engine Begin the engine removal operation by draining the crankcase and cooling system Remove the hood air Ieaner and flexible tube floor pan over the engine and dash panel Remove the oil filter lines Remove either front wheel Remove the grille assembly fig 3 Dis connect the radiator hoses and remove the radiator support assembly w...

Page 10: ...pounds Lower the engine to the front supports and install the front support bolts Disconnect the crane and remove the engine lift hook assembly Install the fuel pump crankcase inlet pipe carburetor and generator To complete the engine installation connect the muffler inlet pipe clutch release bearing spring and flexible fuel line Connect the choke wire throttle link age starter cable vacuum hose o...

Page 11: ...ll valves guides and seats are given in this section under headings which are descriptive of the parts covered a Valves Springs and Valve Guides The procedure given below constitutes the essential steps for a valve grinding operation when the valves have been removed from the engine This procedure in eludes cleaning inspection spring testing and refacing valves and valve seats Valve clearances are...

Page 12: ...th to approximately 6 inch This can be done by using a 30 degree angle grinder to remove stock from the bottom of the valve seat and a 60 degree angle grinder to remove stock from the top of the valve seat The valve seat should not exceed 0 005 inch run out Check the valve seat run out with a dial indicator fig 12 Lap the seat and valve together with a fine lap ping compound to finish the operatio...

Page 13: ...oil passages with compressed air R emove the sludge trap plugs and clean out the traps Press in new plugs Examine the shaft for evidence of cracks Check the dowel pins in the flange for looseness Remove any nicks on the ends of the pins with a file CAUTION Do not file th e body diameter of th e dowel pins 2 CRANKSHAFT JOURNAL MEASURE MENT M easure each crankshaft journal diameter at a minimum of f...

Page 14: ... Bearings Steel backed copper lead insert bearings are used in the main bearing supports and connecting rods These Fig S Bearing Scratched bv D n Table 4 Crankshofl Journal Specifications lDiameter Inches Engine Main Journal Front and Center Rear Crankpin E 2 8735 2 8740 2 8730 2 8735 2 3995 2 4000 R 2 4982 2 4990 2 4982 2 4990 2 1382 2 1390 HorM 2 8732 2 8740 2 8732 2 8740 2 2980 2 2988 bearings ...

Page 15: ...9 indicates high spots on the bearing journal which should be corrected before the engine is rebuilt Bright sections across the back of the bearing fig 20 indicate the bearings have been loose in the bore either because of an undersize outside diameter be aVERlAY GONE 1161 Fig JB Bearing Failure Due to Tapered Journal RADII RIDE Fig J9 Bearing Showing Radii Ride cause of the bearing bore being too...

Page 16: ...il Tighten the main bearing cap bolts Turn 002 ClEARANCE flattened Plaslic GRADUATED CONTAINER 1181 fig 2J Measuring Flattened Plastigage the crankshaft one inch in either direction If the crank shaft is locked with the 0 002 inch shim and is free without the shim the bearing insert used is satisfactory If the crankshaft can be moved freely with the 0 002 inch shim install another standard bearing...

Page 17: ...hould be checked To check the crankshaft end play pry the crankshaft to ward the rear of the engine Place a dial indicator against the forward side of the rear counterweight Set the dial to zero and then pry the shaft forward fig 22 If the dial indicator shows excessive end play Table 5 the rear main bearing insert should be replaced with a new insert to take up the end clearance 4 CONNECTING RODS...

Page 18: ... by running a drill through the holes Be sure the drill is the same size as the hole Inspect pistons for fractures at the ring lands skirt and pin bosses Replace pistons showing signs of wavy ring lands fractures or damage from detonation Spongy eroded areas around the top edge of the piston usually on the side opposite the valves are caused by detonation In some instances holes are also burned th...

Page 19: ... LOC EASUREMENTS A AND C MADE BELOW 1 RIDGE OR AT THiTOP OF RING TRAVEL I MEASUREMENTS B AND D MADE AT BOnOM OF RING TR AVEl Fig 25 Cylinder Bore Measurements 1176 Engine R Piston T ype M and E OHA 49T BBA 0 002 0 003 0 0015 0 0015 3 12 6 12 3 12 5 10 0 002 0 003 0 0015 0 0020 3 12 6 12 3 12 5 10 0 003 0 004 0 003 0 003 3 12 6 12 3 12 5 10 then push the piston into the cylinder bore until the skir...

Page 20: ...aced Replace all piston pin retainers 2 FITTING PISTON PINS Check the piston pin fit in the piston pin bore at normal room temperature Fig 27 Checking Ring Groove Clearance Engine R E 8MTH 8EQ Piston Piston 0 0015 0 0030 0 0015 0 0030 0 0020 0 0040 0 0010 0 0025 0 0010 0 0025 0 0015 0 0030 0 0010 Q 0030 0 0010 0 0025 0 0015 0 0030 70 F Table 8 gives the proper piston pin fit for each engine If ove...

Page 21: ...ace or replacing the starter ring gear a Inspection Flywheels that have a burned or scored friction face surface should be replaced or machined Check the flywheel runout by positioning a dial indicator on the outer edge of the surface contacted by the clutch plate fig 31 If the runout exceeds 0 005 inch total indi ator read ing remove the flywheel and turn it 1800 then replace it and again check t...

Page 22: ...em shown in fig 33 is typical of all 6 cylinder trucks a Muffler Replacement Loosen the inlet and outlet pipe clamps Remove the outlet pipe Remove the muffler from the inlet pipe To install connect the muffler to the inlet pipe Con nect the outlet pipe to the muffler and tighten both clamps h Muffler Outlet Pipe Replacement Loosen the muffler outlet pipe clamp and remove the outlet pipe from the m...

Page 23: ...he inlet pipe to the right hand xhaust manifold Tighten the cross over pipe clamp and muffler inlet pipe clamp d Crossover Pipe Replacement S Cylinder Only Loosen the crossover pipe clamp Disconnect the crossover pipe from the left hand exhaust manifold Remove the cross over pipe from the inlet pipe To install connect the cross over pipe to the inlet pipe Connect the cross over pipe to the left ha...

Page 24: ...ures for the H Series engine are given in the chapter on general engine repair The procedures and operations described and illustrated in this chapter can only be used for working on this engine Always install new gaskets when any installation is made where gaskets have been previously removed A complete engine overhaul gasket kit illustrated in fig 3 is available for engine overhaul 1 MANIFOLD RE...

Page 25: ...ket surfaces are free from old gasket material and projections that may affect sealing 1211 Fig 4 Manifolds Showing Exhaust Control Valve 33925 S 34847 S 357692 S GASKET 9447 b 3381 1703 Fig 5 ntake Manifold Conventional Truck To install the manifolds fasten them together and tighten the nuts to 30 35 foot pounds torque Place the manifolds on the engine block with new manifold gaskets fig 7 Tighte...

Page 26: ...5 30 foot pounds torque Start at the center and work toward the ends to avoid manifold distortion when tightening the nuts Return the engine to its proper position and install the engine support to frame bolt Paort No 1GA 9 4U MANIFOlD GASKET taT fig 7 Manifold Gasket Set fig 8 Exhaust Manifold ICab Over Engine Connect the muffler inlet pipe Install the manifold air baffle assembly and secure it t...

Page 27: ...plugs Remove the two screws from the coil bracket and let the bracket hang from the dis tributor Disconnect the heater hose Remove the screw from the manifold air baffle assembly on the right hand side of the cylinder head Remove the cylinder head bolts then remove the cylinder head Before installing a cylinder head clean the carbon deposits from the combustion chambers and check to see that all w...

Page 28: ...emove the cylin der head Before installing a cylinder head clean the carbon deposits from the combustion chambers and check to see that all water passages are open Gasket surfaces must be free of old gasket material and projections at bolt holes that may affect sealing Install a new cylinder head gasket fig 10 with the cut off corner at the left front corner of the block NOTE If the gasket i in ta...

Page 29: ... cover plate Torque the screws to 15 18 foot pounds torque NOTE A lignment of the oil pan can be implified by tem porarily installing two studs in opposite corn eT of the block to guide the pan into place Install the screws that hold the oil pan to the engine I PACKING 6707 SIDE GASKET J GASKET 67 10 1144 Fig 13 Engin Oil Pan Gasket S t 1157 Fig 14 n talling Oil Seal Packing rear plate Torque scre...

Page 30: ... as shown in fig 16 Clearance should be 0 006 0 010 inch between the rotors Measure the outer rotor to body clearance as shown in fig 17 Clearance shoUld be 0 005 0 010 inch Make rotor measurements as illustrated in fig 18 Rotor thickness shoule not be less than 0 998 inch Fig 7 Measuring Clearance Between Outer Rotor and Pump Body _ 0 ROTOR 1082 Fig 18 0il Pump Rofors Outer rotor outside diameter...

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