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고분기 PC1250에서 수압 펌프 과열 및 흐름 손실 문제 해결
A technical guide on diagnosing low hydraulic pressure, oil overheating, and swashplate response delay in Komatsu PC1250-7 and PC1100-6 main hydraulic pumps.
코마츠 PC1100 & PC1250 주 유압 펌프 (708-2H / 708-2L 시리즈): 선정, 호환 부품 검색 및 고장 분석
Engineering guide covering application scenarios, part cross-referencing (708-2H-00322, 708-2L-00522), and root-cause failure analysis for Komatsu PC1100-6 and PC1250-7 main hydraulic pumps.
교체 후 유압 펌프가 빨리 마모되는 이유는 무엇입니까?
Replacement excavator hydraulic pumps often fail prematurely because contamination, incorrect installation, poor oil/filter condition, system pressure or heat issues, and other hydraulic component problems remain unresolved. Proper cleaning, inspection, installation, and commissioning are essential to prevent repeated pump failures.
굴삭기 유압 펌프와 메인 제어 밸브: 실제 문제를 식별하는 방법은 무엇입니까?
This blog explains how to distinguish between excavator hydraulic pump and main control valve problems by comparing symptoms, such as whether all functions or only specific circuits are affected. It also outlines a systematic diagnostic procedure involving oil checks, filters, pressure testing, function comparison, and valve inspection.
REXROTH (UCHIDA) AP2D 시리즈 수압 펌프
This guide covers the Rexroth (Uchida) AP2D series of tandem variable-displacement hydraulic pumps for 1.2–8 tonne mini and compact excavators, including AP2D12 through AP2D36 models rated at 350 bar and 3500 rpm. It provides OEM application references, cross-reference codes, and buyer guidance for sourcing exact pumps, control variants, and spare parts.
굴삭기 유압 펌프에서 소음의 원인은 무엇입니까?
This blog explains common causes of noise in an excavator hydraulic pump, including air ingestion, cavitation, low or contaminated oil, worn bearings, blocked filters, and incorrect oil selection. It also outlines symptoms and preventive maintenance steps to reduce downtime and extend pump life.
고분기 PC1250에서 수압 펌프 과열 및 흐름 손실 문제 해결
2026-09-24
교체 후 유압 펌프가 빨리 마모되는 이유는 무엇입니까?
2026-09-21
발굴기 스윙 모터: KAWASAKI M2X & M5X 시리즈
2026-09-14
