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SUPPORT 2277909 - Caterpillar

2277909 SUPPORT Caterpillar parts SUPPORT
Alternative (cross code) number:
Caterpillar 2277909 SUPPORT

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Hoist Suction Screens
Clean Screens
Clean screens whenever there is a failure of brakes, torque converter, lift cylinder or hoist pumps.
Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.
Hoist Return Screen
1. Remove the drain plug from the hoist, converter and brake hydraulic tank. Install a 1 inch NPT pipe nipple 88 mm (3.50 inches) long, to drain the oil. Remove the pipe nipple. Clean and install the drain plug.2. Remove the bolts from the hydraulic tank cover and remove the cover.3. Clean any debris from the bottom of the tank. 4. Remove retaining nut (1) from cover (2). Remove screen (3).5. Clean the screen, cover and retaining nut in clean, nonflammable solvent.6. Wash the hydraulic tank cover in clean, nonflammable solvent. Inspect the cover gasket. If the gasket is damaged, use a new one.Hoist, Converter and Brake Suction Screens
1. There are five screens, located behind the hoses, to be cleaned.2. Remove the bolts from the hoses and remove the hoses. Remove the screens.3. Wash the screens in clean, nonflammable solvent.4. Install the clean screens, hoses and retaining bolts.Install Hoist Return Screen
1. Install the clean screens, cover and retaining nut.2. Install the tank cover and bolts. 3. Fill the hydraulic tank. See "Refill Capacities."4. Start and run the engine

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