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TUBE A EXH EXT 0877973 - Caterpillar

0877973 TUBE A EXH EXT Caterpillar parts TUBE
Alternative (cross code) number:
Caterpillar 0877973 TUBE A EXH EXT

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Removal Procedure
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.
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 to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes.
Open the right access door.
Illustration 1 g03708822
Disconnect the harness assembly for light (1).
Remove the bolts and access panel (2).
Illustration 2 g03708939
Remove the cable straps securing harness assembly (7) to piston pump (4). Disconnect harness assembly (7) from piston pump (4).
Remove the bolts, the washers, the clamps, and hose assemblies (5) from piston pump (4).
Remove the bolts, the washers, the clamps, and hose assemblies (6) from piston pump (4).
Disconnect hose assembly (3) from piston pump (4).
Attach a suitable lifting device or use two people to remove piston pump (4). The weight of piston pump (4) is approximately 25 kg (55 lb).
Remove the bolts, the washers, piston pump (4), and the O-ring seal. Installation Procedure
Install piston pump (4) in the reverse order of removal.

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