HARNESS AS-CONTROL 2756937 - Caterpillar

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(1) Cooler Group (2) Engine (3) Hydraulic oil filters (4) Hydrostatic pressure taps and hydraulic taps (5) Hydraulic Tank (6) Pump for the Demand Fan (7) Implement Pump (8) Charge Pump (9) Right side hydrostatic pump (10) Left side hydrostatic pump (11) Hydraulic block (12) Final drives (13) Hydrostatic motors Cooler Group
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The cooler group is next to the radiator. The cooler group consists of three separate units: hydraulic oil cooler (1A), engine coolant radiator (1B) and engine aftercooler (1C). The hydraulic cooler is located on the right section of the cooler group. High temperature hydraulic oil circulates through the tubes. The oil is cooled as air passes through the tubes. The amount of air is controlled by the on- demand fan.Power Train Oil Filters
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Power train oil filters (3) are mounted behind the access door on the left side of the tractor. The power train oil filter is designed to remove debris from the oil in order to prevent damage to the power train components.Pressure Taps
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953D (S/N: LBP1-980) (A) Load sensing signal pressure (B) Implement pump pressure (C) Case pressure (D) Charge pressure left hystat pump (E) Left forward hystat drive loop (F) Right forward hystat drive loop (G) Charge pressure right hystat pump (H) Brake pressure (J) Fan pump discharge pressure (K) Implement pump case filling (L) Caterpillar electronic technician port (M) Cylinder calibration port
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953D (S/N: LBP981-Up) (A) Load sensing signal pressure (B) Implement pump pressure (C) Case pressure (D) Charge pressure left hystat pump (E) Left forward hystat drive loop (F) Right forward hystat drive loop (G) Charge pressure right hystat pump (H) Brake pressure (J) Fan pump discharge pressure (K) Implement pump case filling (L) Caterpillar electronic technician port (M) Cylinder calibration portRemote pressure taps (4) provide convenient testing of the system conditions. Remote pressure taps (4) are located behind the access door on the left side of the machine.Left and Right Side Hydrostatic Pumps
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(8) Charge Pump (9) Right side Hydrostatic Pump (10) Left side Hydrostatic PumpLeft side hydrostatic pump (10) is located beneath the cab floor. The pump is mounted in-line with the shaft for the engine output. The pump is a piston pump. The pump is directly connected to the engine. Charge oil is supplied for the pump by the pump for the demand fan. The hydrostatic pump makes sure that oil pressure is available for propulsion, steering, and lubrication. The right side hydrostatic pump (9) is located below the cab floor. The pump is bolted in-line to the rear of the left side hydrostatic pump and is a two-section pump. The first section is a variable displacement piston pump (9). The hydrostatic pump makes sure that oil pressure is available for propulsion, steering, and lubrication. The second pump (8) is a gear pump that provides charge oil and lubrication for the piston pump.Hydraulic Block
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Hydraulic block (11) is located beneath the cab to the right side of the right side hydrostatic pump. The hydraulic block routes