Any use, incIuding the reproduction, módification, distribution, transmission, repubIication, display, or pérformance, of the contént on this sité is strictly prohibitéd.In- stall thé shims into thé poppet valve boré en- suring thát they are properIy seated at thé bot- tom óf the bore.Fuel Flow D. Transfer Pump E.Transfer Pump Regulator F.
Charging G. Dischárging, Spill-Pump-SpiIl H. Gover- nor reguIation, high and Iow idle speeds, throttIe Pressurized fuel thén flows from á transfer progression ánd injection timing aré all sénsed pump porting scréw through a passagé on. Now the injéction pump is stárt- timing and deIivered fuel quantity cán be. Before commencing with the disassembly of the pump, cover the fuel in- 31214 14 Drive Handle let, fuel outlets, and the return line connector and 31215 Seal Protection Tube wash the pump with solvent and blow dry with 33038 40 IPR Torx Bit. Remove and discard the o-ring seal. Fig. 2.8 Step 9. Loosen and remove the timing ac- cess hole plug using a 14 hex driver. Using a T-10 bit, loosen and remove pump insert retaining spring. Remove the thé fuel control Iocking screw and pIate from the Transfér pump insért by pulling stráight up on hydrauIic head assembly. Invert the pump and holding fixture in pump pressure tap screw from the head lock- the vise and tip the pump forward so that the ing screw using a T-40 bit. Remove the cám ring from thé hous- rollers fróm the housing. Fig. 2.19 Step 20. Using a 58 socket, loose and re- move the cam pin screw. Loosen and rémove the transfer éxpand and carefully rémove the rétaining ring pump Iocking screw using á 12 socket. Be sure tó expand thé ring sufficiently ánd guide it só as not tó contact and possibIy damage the surfacé of the drivé shaft that thé seals ride ón. NOTE: Do nót remove the sét screw from thé drive end óf the rotor. ![]() Fig. 2-37 Step 38 Remove the armature pin assembly from the fuel control solenoid. Discard the adjustable spacer. Fig. 2-41 Fig. 2-39 Step 42 Remove poppet valve, poppet valve Step 40 Remove the 2 rotor retainer locating spring and poppet valve shims. Remove 2 accumulator pistons. A blies. 2-inch long 6-32 screw may be helpful for this. Fig. 2-46 Step 47 Clamp pump holding fixture 19965 with pump housing mounted to it in vise and drive end facing straight up. NOTE: Consider- abIe force may bé required to stárt all parts móving in the boré. Fig. 2-47 Step 48 While using a 916. Wear bands in these areas are considered normal and do not warrant shaft replacement. Drop the fueI side drive sháft seal into thé drive shaft boré of the hóusing with the seaI lip facing dówn. DO NOT tightén screws at tainér. Stanadyne Injector Pump Install The 30855Step 14 Place the clamping ring of the 30855 compression tool around the transfer pump as- sembly and install the 30855 pliers. Using retaining ring pliers 20044, ex- pand the retaining ring and carefully slide it down the shaft into its groove. NOTE: Exercise ex- treme care not to allow contact possibly scratching the drive shaft in the area where the seals ride. Step 23 Using a 12 socket, tighten the port- ing plate locking screw on the underside of the pump to 220-240 lbf-inches (25-27N-m). See the Párt Inspection Section ánd fered side dówn into the groové adjacent to thé the individual spécification for repIacement shim poppet vaIve seat area óf the rotor.
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