PINION 6B8790 - Caterpillar

Removal Procedure
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. 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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
Drain the fuel tank into a suitable container for storage or for disposal. Refer to Operation and Maintenance, "Capacities (Refill)" for the proper amount. Refer to Operation and Maintenance, "Fuel Tank Water and Sediment - Drain".
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Attach a suitable lifting device to side door (1). The weight of side door (1) is approximately 34 kg (75 lb).
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Remove bolts (2) .
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Remove bolts (3) and side door (1) .
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Remove guard (4) .
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Open door (7). Remove bolt (5). Remove four bolts (6) .
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Disconnect hoses (8) and (11). Disconnect harness assemblies (9) and (13) .
Cut all necessary cable straps (12). Disconnect clip (10) .
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View from the bottom of the fuel tank
Close valve (16). Disconnect hoses (14) and (15) .
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Attach Tooling (A) and a suitable lifting device to fuel tank (17). The weight of fuel tank (17) is approximately 63 kg (140 lb).
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Remove bolts (18) and the spacers. Repeat for the other side.
Remove fuel tank (17) .