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I am not asking him to mess with the Fuel Injection Pump with the exception of the Delivery Valve Area; and, that is the same procedure as if he was changing the Crush washer there.
He needs to know what his limits are.
The below only applies to IPs that have a removable cover on them (MW IPs have no cover so you cannot see the stuff in the pic).
Below is a pic of an IP with the cover removed. the Yellow Xs are the parts that are used to do the Fuel Adjustment for each of the Elements.
Ounce in a while the little Allen Screws come loose or even crack and that block that adjust the Fuel is free to slide where ever it wants to go.
Next you can look in side for broken Springs or if any of the Springs were compressed and not returning that would indicate an Element with a Plunger Stuck in the upward position.
Remember you are just looking for something that could be wrong and cause #1 not to get Fuel. Do not mess with any of the Fuel Adjustments as they are set on a very expensive Calibration stand where they run the IP and measure the Flow or Fuel quanity when the set them.
see pic
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84 300D, 82 Volvo 244Gl Diesel
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