797F and 797F XQ Off-Highway Truck Braking System Caterpillar

Brake Accumulator (Parking)

Usage:

797F LAJ

286-0796 Brake Accumulator Gp

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Illustration 1	g01949859

Internal volume for oil ... 9.2 L (561 cubic inch)

Internal volume for gas ... 10 L (610 cubic inch)

Precharge pressure at 21 °C (70 °F) ... 6895 ± 345 kPa (1000 ± 50 psi)

Maximum operating pressure ... 21000 kPa (3045 psi)

Maximum working temperature ... 100 °C (212 °F)

Minimum working temperature ... −40° C (−40° F)

(1) Torque for the cap ... 20 ± 1 N·m (177 ± 9 lb in)

(2) Torque for the vent screw ... 20 ± 1 N·m (177 ± 9 lb in)

286-0798 Brake Accumulator Gp

Note: The 286-0798 Brake Accumulator Gp is the service replacement. The 286-0798 Brake Accumulator Gp is uncharged. The 286-0798 Brake Accumulator Gp must be charged before you install the brake accumulator group on the machine.

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Illustration 2	g01949859

Internal volume for oil ... 9.2 L (561 cubic inch)

Internal volume for gas ... 10 L (610 cubic inch)

Precharge pressure at 21 °C (70 °F) ... 0 kPa (0 psi)

Maximum operating pressure ... 21000 kPa (3045 psi)

Maximum working temperature ... 100 °C (212 °F)

Minimum working temperature ... −40° C (−40° F)

(1) Torque for the cap ... 20 ± 1 N·m (177 ± 9 lb in)

(2) Torque for the vent screw ... 20 ± 1 N·m (177 ± 9 lb in)

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