HOSE AS 3073236 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
The machine must be level. The parking brake must be engaged and the engine must be stopped.
Remove the filler cap in order to prevent a vacuum in the transmission tank. Install the filler cap after the transmission tank is drained. This will prevent dirt from entering the system.
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Remove the drain valve plug in the transmission tank. Open the drain valve by installing a 25 mm (1.0 inch) NPT pipe nipple that is 100 mm (4.0 inch) long. Drain the oil into a suitable container.Note: Hand tighten the NPT pipe nipple. Do not use tools.
Clean the drain plug. Remove the pipe nipple and install the drain plug.
Illustration 2 g00289437
Remove the drain plugs from the transmission housing and from the extension housing. Drain the oil into a suitable container. Clean the drain plugs and install the drain plugs.
Fill the transmission tank. Refer to Operation and Maintenance Manual, "Lubricant Viscosities". Refer to Operation and Maintenance Manual, "Refill Capacities" .
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Use the engine shutdown control to prevent the engine from starting. Crank the engine for approximately 15 seconds. The oil level will decrease as oil fills the system.
Add oil to the transmission tank in order to raise the oil level to the safe starting range.
Illustration 4 g00462467
Repeat Step 6 and Step 7 until the oil level stabilizes at the FULL COLD mark in the sight gauge.
Lower the guard on the engine shutdown control. Start the engine and operate the engine at low idle. Check for leaks and make necessary repairs.
Clean the filler cap and install the filler cap.
Failure to properly fill the transmission tank after an oil change may cause damage to the transmission clutches. Follow the procedure that is described above.The transmission direction and speed control MUST be left in NEUTRAL until the system is full.