This boom cylinder seal kit is essential for maintaining the integrity of the hydraulic system in Volvo wheel loaders, preventing internal and external fluid leakage. Manufactured to meet stringent Volvo material and dimensional standards, it offers superior sealing performance over worn components. Operators may observe a slow drift of the boom when lowered, external fluid leaks from the cylinder rod, or a decrease in lifting capacity as these seals degrade.
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 indication of seal failure is often a slow, uncontrolled descent of the boom when the machine is shut off or a visible fluid leak from the cylinder rod seal. If left unaddressed, the leaks will increase, leading to a significant loss of hydraulic pressure and reduced lifting performance. Continued operation can cause contamination of the hydraulic system and potential damage to the cylinder bore.
Carefully inspect the cylinder rod and bore for any scratches, scoring, or wear that could damage the new seals; hone or replace the cylinder if significant damage is present. Ensure all O-rings and backup rings are correctly oriented and seated before reassembly to prevent immediate failure.
Inspect the hydraulic fluid for contamination and check the condition of the cylinder rod and bore for any scoring or damage.