Mecanica Cat

Copyright 1991, 2004 Caterpillar Inc. All Rights Reserved.

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AMP 854G WHEEL DOZER Operación de Sistemas Número de publicaciónSENR1346-03 Fecha de publicación 1999/12/01 Fecha de actualización 2001/10/04

Transmission Oil Pump
SMCS Code: 3066

Illustration 27

Oil PumpConstruction (1) Gear. (2) Gear. (3) Body. (4) Body. (5) Manifold. (6) Bearings (six). (7) Cover. (8) Gear. The oil pump is a two-section gear pump. Theoil pump is positioned on the output end of the torque converter.

file://C:\SIS\TMP\sisC051prt.html

01/06/2004

Copyright 1991, 2004Caterpillar Inc. All Rights Reserved.

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The main components of the oil pump are cover (7), manifold (5), gears (2) and (8), and bodies (3)and (4). Drive gear (2) is connected to gear (1). Gear (1) is driven by the torque converter.

Illustration 28

Left Side of the Torque ConverterCover (9) Oil pump. During operation, oil is pulled from the reservoir in the output transfer gear case. This oil is pulled through the magnetic screento an opening in manifold (5). The oil flows to the lower part of bodies (3) and (4). The oil fills the spaces between the teeth of gears (2) and (8).Oil is pushed from bodies (3) and (4) as the gears turn. The oil flows through two outlet passages in manifold (5) to an oil line. The oil then flowsto the transmission oil filters. Copyright 1991, 2004 Caterpillar Inc. All Rights Reserved.

file://C:\SIS\TMP\sisC051prt.html

01/06/2004