797F and 797F XQ Off-Highway Truck Power Train Caterpillar

Gear Pump (Brake Cooling, Brake Actuation and Rear Axle Motor Drive)

Usage:

797F LAJ

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Illustration 1	g01954254

(1) Torque for eight nuts ... 250.8 ± 5.0 N·m (185.0 ± 3.7 lb ft)

(2) Section for brake cooling

Rotation ... Clockwise

Displacement per revolution ... 254.0 cc (15.5 cubic inch)

Maximum pressure ... 3450 kPa (500 psi)

Maximum speed ... 2500 rpm

(3) Section for brake actuation

Rotation ... Clockwise

Displacement per revolution ... 49.6 cc (3.0 cubic inch)

Maximum continuous pressure ... 20700 kPa (3002 psi)

Maximum speed ... 2500 rpm

(4) Section for rear axle motor drive

Rotation ... Clockwise

Displacement per revolution ... 19.7 cc (1.2 cubic inch)

Maximum continuous pressure ... 20700 kPa (3002 psi)

Maximum speed ... 2500 rpm

(5) Torque for four bolts ... 115 ± 5 N·m (85 ± 4 lb ft)

Caterpillar Information System:

797F and 797F XQ Off-Highway Truck Braking System Motor Rotating (Brake Cooling) - Extra Retarding

797F and 797F XQ Off-Highway Truck Braking System Piston Motor (Brake Cooling) - Extra Retarding

797F and 797F XQ Off-Highway Truck Power Train Gear Pump (Brake, Rear Axle Lubrication) - Extra Retarding

2009/08/03 Special Instruction for the Heated Body Kit is Available for Articulated Trucks {1061}

793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System Fill Time for the Transmission Clutch - Calibrate

584 and 584HD Forwarders Camera - Clean/Adjust - If Equipped

793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System Engagement Pressure for the Transmission Clutch - Calibrate

793F Off-Highway Truck Power Train Axle Shaft - Remove

793F and 797F Off-Highway Trucks Power Train Electronic Control System Using Caterpillar Electronic Technician to Determine Diagnostic Codes

2009/09/28 New Software Released For AccuGrade Office {5267, 7220}

2009/12/23 Improved Seals for the Service Brake are Available for the 797, for the 797B, and for Certain 797F Off Highway Trucks {4251, 4267}

2009/07/27 Improved Procedure for the Retention of the Identification Film for the Roll Over Protective Structure (ROPS) and Falling Object Protective Structure (FOPS) {7323, 7325, 7405, 7557}

797F and 797F XQ Off-Highway Truck Braking System Piston Pump (Brake Cooling) - Extra Retarding

793F Off-Highway Truck Power Train Transmission and Transfer Gears - Remove and Install

CD44B and CD54B Vibratory Asphalt Compactors Alternator - Inspect

2009/08/03 Pistons and Piston Rings {1225, 1225}

M325D L MH and M325D MH Material Handlers Hydraulic System Swing Bearing Movement - Measure

2009/07/20 Method for Monitoring The Landfill Compactor Tip Assembly ( 7 inch step ) {4206, 6806}

2011/01/06 Improvements to the Fuel Sender Group {1273, 1408, 6201, 7481, 7857}

2009/07/27 New Bumpers Are Now Used on Cab Doors {7308}

770 and 772 Off-Highway Truck Camera - If Equipped

2009/09/07 Rework Procedure to Reinforce the Mounting of the Cowl {7051, 7155, 7251, 7254, 7267}

Rework Procedure to Reinforce the Cowl Assembly{0679, 7051, 7155, 7251, 7254, 7267} Rework Procedure to Reinforce the Cowl Assembly{0679, 7051, 7155, 7251, 7254, 7267}

797F and 797F XQ Off-Highway Truck Hydraulic System Control Valve (Brake Cooling, Hoist)