1786638 V-BELT Caterpillar parts
320C
Rating:
Alternative (cross code) number:
CA1786638
178-6638
1786638
CA1786638
178-6638
1786638
Weight: 0.90 pounds 0 kg.
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2024-07-02
2021-09-13
Compatible equipment models: 1786638:
Information:
Forward Travel at Overspeed
Illustration 2 g01037190
Hydraulic Schematic of the Travel Motor (Overspeed) (1) Line from creeper solenoid (2) Shift piston (3) Cutoff Valve (4) Travel motor (5) Crossover relief valve (6) Line from travel valve (7) Shuttle valve (8) Makeup valve (9) Actuator piston (10) Counterbalance spool (11) Travel brake valveTravel brake valve (11) blocks the return oil from the motor to the tank in the condition of overspeeding. By measuring the RPM in the transmission, the creeper solenoid will reduce the pressure that is supplied to shift piston (2). This allows shift piston (2) to shift upward. A decrease of the oil pressure in the forward side of the travel motor will cause cutoff valve (3) to shift upward. The shift opens
Illustration 2 g01037190
Hydraulic Schematic of the Travel Motor (Overspeed) (1) Line from creeper solenoid (2) Shift piston (3) Cutoff Valve (4) Travel motor (5) Crossover relief valve (6) Line from travel valve (7) Shuttle valve (8) Makeup valve (9) Actuator piston (10) Counterbalance spool (11) Travel brake valveTravel brake valve (11) blocks the return oil from the motor to the tank in the condition of overspeeding. By measuring the RPM in the transmission, the creeper solenoid will reduce the pressure that is supplied to shift piston (2). This allows shift piston (2) to shift upward. A decrease of the oil pressure in the forward side of the travel motor will cause cutoff valve (3) to shift upward. The shift opens
Caterpillar parts catalog:
Parts v Caterpillar catalog:
8L8646
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