824K Wheel Dozer, 825K Soil Compactor and 826K Landfill Compactor Machine Systems Caterpillar


Pressure Tap Locations

Usage:

826K 232

Transmission Oil Filter



Illustration 1g06356387
(1) Transmission Oil Filter Pressure Port
(2) Transmission Oil Filter SOS Port

The transmission oil filter pressure taps are located on the front of the transmission oil filter, on the left side of the machine.

Hydraulic Oil Filter (SOS)



Illustration 2g06356414
(3) Hydraulic Oil Filter SOS Port

The hydraulic oil filter SOS port is located on the front of the hydraulic oil cooler, on the left side of the machine.

Hydraulic Oil Filter (High Pressure)



Illustration 3g06356459
(4) Hydraulic oil filter pressure port

The pressure tap for the high-pressure oil filter is located near the transmission oil filter, on the left side of the machine.

Brake Control Valve Pressure



Illustration 4g06356934
(5) Brake control valve pressure port

The brake control valve is located underneath the cab, below the brake pedal.

Brake Accumulator Pressure



Illustration 5g06356963
(6) Brake accumulator pressure port

The brake accumulator is located on the left side of the machine, mounted on the inside of the frame.

Implement Control Valve Inlet Pressure



Illustration 6g06357034
(7) Implement control valve inlet pressure port

The implement control is located on the top-center of the non-engine end frame.

Diagnostic Panel



Illustration 7g06356588
(8) Pilot oil pressure
(9) Steering pump outlet pressure
(10) Implement pump load-sense pressure
(11) Torque converter lock-up clutch pressure
(12) Fan pump outlet pressure
(13) Torque converter inlet pressure
(14) Steering valve inlet pressure
(15) Steering pump load-sense pressure
(16) Transmission lube pressure
(17) Implement pump outlet pressure
(18) Torque converter outlet pressure
(19) Transmission pump pressure

The hydraulic diagnostic panel is located below the cab on the right side of the machine.

Transmission Clutch Pressure



Illustration 8g06357075
(20) 1st gear clutch pressure
(21) 2nd gear clutch pressure
(22) 3rd gear clutch pressure
(23) 4th gear clutch pressure
(24) Forward clutch pressure
(25) Reverse clutch pressure

The transmission clutch pressure ports are mounted to the side of the transmission, on the left side of the machine.

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