V-BELT 1786638 - Caterpillar

1786638 V-BELT Caterpillar parts 320C

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Alternative (cross code) number:
CA1786638
178-6638
1786638

Weight: 0.90 pounds 0 kg.

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EXCAVATOR,

This part in 2 request: Show. This information for suppliers only!

#1383277 1786638

2024-07-02

#717347 1786638

2021-09-13

Compatible equipment models: 1786638:

EXCAVATOR 320C Caterpillar

Number on catalog scheme: 12

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Caterpillar parts catalog:

Caterpillar parts catalog
Product:

320C & 320C L EXCAVATORS AKH00001-UP (MACHINE) POWERED BY 3066 ENGINE

178-6632: PUMP GP-WATER » h67724e

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