MAINTENANCE
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FUEL FILTER: Inspect the fuel filter daily. Drain any accumulated water from the engine fuel filter/water separator daily. Change the fuel filter every 400 hours of operation. Dust and dirt in the fuel system can cause the injection pump and injection nozzle to wear quickly. Change the fuel filter as follows:
1.See Figure D.2. Clean the outside surfaces of the fuel filter assembly. If a drain tap (1) is fitted to the filter bowl, drain the fuel from the filter.
2.See Figure D.2. Hold the bottom cover of the filter element and release the setscrew (2) which is fitted through the filter head above the center of the ele- ment.
3.See Figure D.2. Lower the bottom cover (3) of the filter.
4.Remove the element and discard it.
5.Clean the inside surfaces of the filter head and of the cover.
6.Renew the seals and lightly lubricate them with clean fuel.
7.Put the bottom cover under the new element and hold the element squarely to the filter head. Ensure that the element is fitted in the center against the joint in the filter head. With the assembly in this position, engage and tighten the setscrew.
8.Bleed the air from the fuel system. See How to
Eliminate Air from the Fuel System.
Order Perkins fuel filter #26560017 or #26561117 from your local Perkins Service Center.
AIR CLEANER: The Perkins diesel engine is equipped with a dry type air filter. Inspect the air cleaner daily - more often in dusty conditions. Never apply oil to the air cleaner. Service the air cleaner as follows:
1.Remove the dust cup from the bottom of the air cleaner housing. Clean out any accumulated dust.
2.Loosen the wing nut and remove the filter element.
3.If dust is sticking to the dust collector element, blow compressed air through it from the inside out. Turn the element as you apply air. Air pressure should be under 686 kPa (7 kgf/cm2, 99 psi).
4.Check the element for damage before reassem- bling the air cleaner. Replace the element if it appears damaged. Order Donaldson element part number
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FIGURE D.2 – FUEL FILTER REPLACEMENT
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