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OPTION AR-MACHINE 3534336 - Caterpillar

3534336 OPTION AR-MACHINE Caterpillar parts 990H OPTION
Alternative (cross code) number:
Caterpillar 3534336 OPTION AR-MACHINE

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Compatible equipment models: 3534336:

WHEEL LOADER  990H   Caterpillar
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4. Coat the seal of the new filter element with clean diesel fuel.Do not overtighten the filter. 5. Install the new filter element by hand. When the seal contacts the base, tighten 3/4 turn more.6. Prime the fuel system. See "Priming the Fuel System."Priming the Fuel System
1. Loosen the air plug at the top of the fuel filter. 2. Turn the hand priming pump knob counterclockwise to raise the plunger.3. Move the plunger up and down until fuel flows, free of air bubbles, from the air plug.4. Then securely tighten the air plug.5. Push the plunger in and tighten by hand.6. Thoroughly remove fuel spilled onto the surfaces. Start the engine and check for fuel leaks.7. Stop the engine.Fuel Tank Cap and Screen
Clean the Cap and Strainer
Pressure air can cause personal injury.When using pressure air for cleaning, wear a protective face shield, protective clothing and protective shoes.The maximum air pressure must be below 205 kPa (30 psi) for cleaning purposes.Use all cleaning solutions with care.
1. Remove the cap and strainer. 2. Replace the cap if the gasket is damaged. 3. Wash the strainer in clean, nonflammable solvent and dry. 4. Install the strainer.5. Put a light coat of oil on the cap components.6. Install the cap.Hydraulic System
Service Strainer and Filters
At operating temperature, the hydraulic tank is hot and under pressure.Hot oil can cause burns.Remove the fill cap only when the engine is stopped, and the cap is cool enough to touch with your bare hand. Remove the fill cap slowly to relieve pressure.
Clean the Strainer
1. Clean area thoroughly to keep dirt out of strainer and filter covers. 2. Loosen the pressure cap to relieve pressure. 3. Remove bolts (1) and spring washers (2) and cover (3). 4. Remove spring (4) and strainer (5). 5. Wash strainer (5) in clean nonflammable solvent and allow to dry. 6. Inspect the O-ring seal and replace if worn or damaged. 7. Install strainer (5) and spring (4). Make sure seal and spring are properly positioned. 8. Inspect the seal and replace if worn or damaged. 9. Install cover (3) with spring washers (2) and bolts (1).Change the Return Filter
1. Remove cover (3) bolts (1) and spring washers (2). 2. Remove spring (4) valve (5) element (7) and O-ring seal (6). 3. Inspect O-ring and replace if worn or damaged. 4. Install new element (7) valve (5) spring (4) and O-ring (6). 5. Install cover (3) with spring washers (2) and bolts (1).Change the Pilot Filter
1. Open the front side cover at the left of the machine. 2. Clean area to keep dirt out of pilot filter. 3. Remove the case (2) from the filter base (1). 4. Remove element (3) and O-ring seal (4) back-up ring (5) from filter base (1).5. Clean the filter base. 6. Wash the case (2) in clean nonflammable solvent. Allow the case (2) to dry. 7. Lightly oil a new O-ring (4) and back-up ring (5) with clean hydraulic oil and install it in the filter base

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