380-7682 gear pump for CAT mining dump truck spare part

380-7682 gear pump for CAT mining dump truck spare part Featured Image
  • 380-7682 gear pump for CAT mining dump truck spare part

Short Description:

Auxiliary hydraulic gear pump for Caterpillar mining dump truck, delivers steady flow by gear meshing, supplies hydraulic power for steering and brake assist circuit to guarantee responsive steering under heavy load.

Product Detail

Product Tags

description

This external meshing hydraulic gear pump adopts cast aluminum housing and hardened alloy steel gears. It realizes oil suction and discharge through volume change between meshing gears for auxiliary hydraulic circuit. Worn gear tooth, scratched side plate, leaking shaft seal and clogged suction filter will lead to insufficient flow, heavy steering feeling and low brake assist pressure with abnormal noise and oil leakage, which will accelerate wear of steering valve and brake piston.

Part No.:380-7682
Type: External meshing hydraulic gear pump
Material: Cast aluminum housing, hardened alloy steel gear
Drive Type: Spline shaft drive
Compatible Fluid: Anti-wear hydraulic oil
Working Condition: Heavy-duty, dusty continuous operation for mining site
Matching System: Steering assist and brake charge hydraulic circuit

Application Scenarios

Fits Caterpillar large mining dump truck, for overhaul of steering assist and wet brake charge hydraulic circuit.

FAQ 

Q：Can oil leakage be fixed by only replacing shaft seal if gear wear is minor?
A：Check shaft journal for scratches first. Grooved shaft will cause repeated leakage after seal replacement.

Q：Does noisy pump mean the gear pump itself is broken?
A：Check clogged filter, air ingress and low oil level first before pump disassembly.

Q：Can pumps with identical displacement swap directly?
A：Flange, spline and port orientation must be matched, wrong fitting cannot be installed directly.

Q：How long can new pump last if hydraulic oil is contaminated?
A：Hard particles scratch gear and side plate, service life drops sharply. Flush tank and maintain oil regularly.

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