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Old 12-05-2012, 10:37 PM
esley esley is offline
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7.3 injector pump

Any help on remove and replaceing one of those pumps. That's about the only thing I haven't changed.worried about the timing. Any tip or tricks would really help out. Thank You esley
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Old 12-05-2012, 10:44 PM
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91dirtydiesel 91dirtydiesel is offline
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this is what my online manual showed

Quote:
Originally Posted by 91dirtydiesel View Post
here is the procedure i followed for removal of IP:

"Removal & Installation

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Throttle linkage-7.3L diesel engine
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Diesel engine oil filter neck removal
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Diesel injection pump drive gear attaching bolts
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Diesel fast idle solenoid bracket
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Removing the diesel fuel return line
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Removing the diesel injection pump
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Be sure to fit the alignment dowel on the pump into the hole in the drive gear
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Diesel injection pump static timing marks
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  1. Remove the engine oil filler neck.
  2. Remove the bolts attaching injection pump to drive gear.

WARNING
Before removing the fuel lines, clean the exterior with clean fuel oil or solvent to prevent entry of dirt into the engine when the fuel lines are removed. Also, do not wash or steam clean engine while engine is running. Serious damage to injection pump could occur.
  1. Disconnect battery ground cables from both batteries.
  2. Disengage the electrical connectors to the injection pump.
  3. Remove the fast idle solenoid bracket assembly to provide access to the injection pump mounting nuts.
  4. Disconnect the accelerator cable and speed control cable from throttle lever, if so equipped.
  5. Remove the air cleaner and install clean rags to prevent dirt from entering the intake manifold.
  6. Remove the accelerator cable bracket, with cables attached, from the intake manifold and position out of the way.
All fuel lines and fittings must be capped using Fuel System Protective Cap Set T83T-9395-A or equivalent, to prevent fuel contamination.
  1. Remove the fuel filter-to-injection pump fuel line and cap the fittings.
  2. Remove and cap the injection pump inlet elbow and the injection pump fitting adapter.
  3. Remove the fuel return line on the injection pump, then rotate out of the way, and cap all fittings.
It is not necessary to remove injection lines from the injection pump. If lines are to be removed, loosen the injection line fittings at the injection pump before removing it from engine.
  1. Remove the fuel injection lines from the nozzles, and cap the lines and nozzles.
  2. Remove the three nuts attaching the injection pump to the injection pump adapter using Tool T83T-9000-B.
  3. If the injection pump is to be replaced, loosen the injection line retaining clips and the injection nozzle fuel lines with Tool T83T-9396-A and cap all fittings at this time with protective cap set T83T-9395-A or equivalent. Do not install the injection nozzle fuel lines until the new pump is installed in the engine.
  4. Lift the injection pump, with the nozzle lines attached, up and out of the engine compartment.

WARNING
Do not carry injection pump by injection nozzle fuel lines as this could cause lines to bend or crimp.
To install:
  1. Install a new O-ring on the drive gear end of the injection pump.
  2. Move the injection pump down and into position.
  3. Position the alignment dowel on injection pump into the alignment hole on drive gear.
  4. Install the bolts attaching the injection pump to drive gear and tighten.
  5. Install the nuts attaching injection pump to adapter. Align scribe lines on the injection pump flange and the injection pump adapter and tighten to 14 ft. lbs. (19 Nm).
  6. If the injection nozzle fuel lines were removed from the injection pump install at this time, refer to the Injection Lines installation procedure in this section.
  7. Remove the caps from nozzles and the fuel lines and install the fuel line nuts on the nozzles and tighten to 22 ft. lbs. (30 Nm).
  8. Connect the fuel return line to injection pump and tighten the nuts.
  9. Install the injection pump fitting adapter with a new O-ring.
  10. Clean the old sealant from the injection pump elbow threads, using clean solvent, and dry thoroughly. Apply a light coating of pipe sealant to the elbow threads.
  11. Install the elbow in the injection pump adapter and tighten to a minimum of 72 inch lbs. (8 Nm). Then tighten further, if necessary, to align the elbow with the injection pump fuel inlet line, but do not exceed 360 degrees of rotation or 10 ft. lbs. (13 Nm).
  12. Remove the caps and connect the fuel filter-to-injection pump fuel line.
  13. Install the accelerator cable bracket on the intake manifold.
  14. Remove the rags from the intake manifold and install the air cleaner.
  15. Connect the accelerator and speed control cable, if so equipped, to the throttle lever.
  16. Install the fast idle solenoid bracket assembly.
  17. Install the electrical connectors on injection pump.
  18. Clean the injection pump adapter and oil filler neck sealing surfaces.
  19. Apply a 1/8 in. (3mm) bead of RTV sealant on the adapter housing.
  20. Install the oil filler neck and tighten the bolts.
  21. Connect the battery ground cables to both batteries.
  22. Run the engine and check for fuel leaks.
  23. If necessary, purge high pressure fuel lines of air by loosening connector one half to one turn and cranking engine until solid fuel, free from bubbles flows from connection.

CAUTION
Keep eyes and hands away from nozzle spray. Fuel spraying from the nozzle under high pressure can penetrate the skin.
  1. Check and adjust injection pump timing as described in this section"
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Old 12-06-2012, 01:31 AM
joshofalltrades joshofalltrades is offline
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the removal and install is pretty straightforward, just DON'T remove the gear housing from the engine, or you'll likely get it out of time and have to straighten that back out.
for timing, its best to spend a few hundred bucks on a ferret timing unit so you can set it accurately, but if that can't happen, start with it set to the old timing marks, then adjust it a little bit at a time to where you hear the diesel clatter all the time, but no further advanced than that point. its a pretty precise business, and the timing meter is the only way to get it exactly right
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Old 12-06-2012, 10:04 AM
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vfelix702 vfelix702 is offline
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vic.felix.3 http://lnkd.in/byV7RhN
Thats a sweet diagram!
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-1990 F-250 7.3l idi 5speed 4x4 XLT Extended Cab
-1994 Ford Bronco XLT 4x4
-1983 Mercedes 300SD Turbo Diesel
-1968 Chevy C-20 - 327 Turbo Hydromatic
-2002 Ford Expedition 5.4l AWD 4x4
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Old 12-06-2012, 10:04 AM
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