This is a main pump seal kit designed to prevent hydraulic fluid leakage from the primary hydraulic pump and maintain internal system pressure. It is manufactured from high-quality sealing materials that resist heat and wear, ensuring a tight seal far superior to a kit with degraded or cracked seals. Operators may observe external hydraulic fluid leaks around the pump housing, a drop in hydraulic system pressure, or sluggish operation of hydraulic functions when this seal kit fails.
Always verify with serial number before ordering.
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Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first sign of a failing main pump seal kit is typically visible hydraulic fluid leakage from the pump's shaft seal or housing. If left unaddressed, the leakage will worsen, leading to a significant loss of hydraulic fluid and a corresponding drop in system pressure. This can result in reduced performance of all hydraulic functions and potential damage to the pump if fluid levels become critically low.
Ensure all mating surfaces are meticulously clean and free of any burrs or debris before installing the new seals. Never use sharp tools to pry or force seals into place, as this will damage them.
Inspect the hydraulic pump shaft for scoring or wear, and check the hydraulic fluid level and condition during seal kit replacement.