This is a set of two Grease Valves (Zerk Fittings) designed for lubricating pivot points and bearings on Volvo excavators. They provide a reliable conduit for grease delivery, ensuring proper lubrication compared to clogged or damaged original fittings. Operators may experience increased noise from pivot points, stiff articulation, or premature wear on bushings when these valves fail to accept grease.
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 primary symptom of a failed grease valve is the inability to inject grease into the lubrication point using a standard grease gun. If ignored, the associated component will suffer from a lack of lubrication, leading to increased friction and wear. This can eventually cause premature failure of pivot pins and bushings, resulting in costly repairs.
Clean the area around the old grease valve thoroughly before removal to prevent dirt from entering the lubrication system. Ensure the new valve is threaded in straight to avoid cross-threading.
After installing new grease valves, check the associated component for excessive play or wear that might indicate prior damage from lack of lubrication.