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Problemen oplossen met oververhitting van de hydraulische pomp en flowverlies in Komatsu PC1250 graafmachines
A technical guide on diagnosing low hydraulic pressure, oil overheating, and swashplate response delay in Komatsu PC1250-7 and PC1100-6 main hydraulic pumps.
Komatsu PC1100 & PC1250 Hoofhydraulische Pomp (708-2H / 708-2L Serie): Selectie, Kruisverwijzing & Storingsanalyse
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.
Waarom verslijt een hydraulische pomp snel na vervanging?
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.
Hydraulische pomp van graafmachine versus hoofdregelklep: hoe identificeer ik het echte probleem?
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-SERIE HYDRAULISCHE POMPEN voor graafmachines
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.
Wat veroorzaakt lawaai in de hydraulische pomp van een graafmachine?
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.
