The best way to free one or more stuck plungers is to loosen ALL injector line nuts so engine will not start. Crank engine and gently pull/push the fuel stop at the same time, this will take several tries. If plunger/s are not stuck badly, you should eventually see the fuel supply turn on/off at ALL injectors with operation of the fuel stop. Once that is seen, tighten the lines and start engine. This method only works IF plunger/s are not stuck badly, pump MAY need torn completely down to free up the stuck parts. NEVER use a hammer to free a stuck rack, or the gear segment teeth may be broken.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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