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.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
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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 indication of a failing main pump seal kit is the appearance of hydraulic fluid leaks around the pump's rotating shaft or housing. If ignored, these leaks will increase, leading to a significant drop in hydraulic fluid levels and system pressure. This can cause the excavator's hydraulic functions to become slow, weak, or completely inoperable, potentially leading to unintended equipment movement.
Carefully inspect the pump shaft for any nicks or rough spots that could damage the new seals during installation. Ensure all old seal material is completely removed from the pump housing before fitting the new components.
Check the hydraulic fluid level and condition, and inspect the hydraulic filter for debris during the replacement of the main pump seal kit.