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GAUGE AS- 3534792 - Caterpillar



3534792 GAUGE AS- Caterpillar parts GAUGE
Rating:
71
Alternative (cross code) number:
CA3534792
353-4792
3534792
Caterpillar 3534792 GAUGE AS-
Weight: 0.07 pounds 0 kg.

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Illustration 1 g03890185
(2) Swing brake solenoid valve Swing brake solenoid valve (2) is located on the pilot oil manifold. When any one of the joysticks is moved from the NEUTRAL position, the swing brake solenoid valve is energized in order to release the swing brake. When the swing brake solenoid valve is energized, pilot oil flows to the swing motor in order to release the swing brake.Note: Operation of the travel levers/pedals will not release the swing brake.
Illustration 2 g01230863
Swing brake (disengaged position)
(2) Swing brake solenoid valve
(3) Spool
(4) Spring
(5) Passage
(6) Passage
(7) Port (pilot system oil)
(8) Pilot oil manifold
(9) Spool chamber
(10) Line
(11) Body (swing motor)
(12) Friction plate
(13) Separator plate
(14) Piston chamber
(15) Port (swing motor)
(16) Cylinder barrel
(17) Brake piston
(18) Brake spring
(19) Motor head The swing brake is located between motor head (19) of swing motor and body (11). The swing brake consists of the following components: brake spring (18), brake piston (17), separator plate (13) and friction plate (12). Friction plate (12) is splined to cylinder barrel (16). Separator plate (13) is splined to body (11). Separator plate (13) and friction plate (12) move in an axial direction.When the joysticks are moved from the NEUTRAL position, the implement/swing pressure switch senses the increase in pilot oil pressure at the pilot control valves. The implement/swing pressure switch changes to the ON position. The implement/swing pressure switch sends an input signal to the machine ECM. The machine ECM energizes swing brake solenoid valve (2).When swing brake solenoid valve (2) is energized, spool (3) moves in a downward direction against the force of spring (4). Pilot oil in passage (7) flows through spool chamber (6) and line (10) to port (15) of the swing motor. The pilot oil now enters piston chamber (14). The pilot pressure causes brake piston (17) to move upward against the force of brake spring (18). The force that holds separator plate (13) and friction plate (12) together is released. When the swing brake is released, the swing operation of the upper structure is enabled.Note: If the swing brake becomes inoperable due to failure of swing brake solenoid valve (2), the swing brake can be released by turning the temporary brake release screw in a clockwise direction until the temporary brake release screw stops.
Illustration 3 g01230866
Swing brake (engaged position)
(2) Swing brake solenoid valve
(3) Spool
(4) Spring
(5) Passage
(6) Passage
(7) Port (pilot system oil)
(8) Pilot oil manifold
(9) Spool chamber
(10) Line
(11) Body (swing motor)
(12) Friction plate
(13) Separator plate
(14) Piston chamber
(15) Port (swing motor)
(16) Cylinder barrel
(17) Brake piston
(18) Brake spring
(19) Motor head When the joysticks are returned to the NEUTRAL position, supply oil from the idler pump to the swing motor is stopped. The implement/swing pressure switch senses the decrease in pilot oil pressure at the pilot control valves. The implement/swing pressure switch changes to the OFF position. The machine ECM senses the change of signal at the implement/swing pressure switch. The machine ECM de-energizes swing brake solenoid valve (2).Spool (3) is moved upward by the force of spring (4). Spool (3) blocks pilot oil


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