Product Description
CROWN SEAL KIT
Frequently Asked Questions
Q: What equipment does the 800075551 Crown seal kit fit?
A: The 800075551 seal kit is designed for Crown brand manual and electric pallet jacks with 2500, 3000, and 4000 pound capacity ratings. Verify your Crown serial number and capacity tag match before ordering.
Q: What seals are included in the 800075551 kit?
A: The 800075551 kit typically includes rod seals, piston seals, and wear rings for pump cylinders. Specific seal counts and sizes vary by kit configuration. Contact us to confirm exact contents for your equipment model.
Q: What material are the seals in the 800075551 kit made from?
A: Crown seals use PTFE (polytetrafluoroethylene) or polyurethane compounds for primary seals and nitrile or EPDM elastomers for backup rings. These materials resist hydraulic fluid, maintain flexibility across temperature ranges, and provide long-term chemical stability.
Q: What is the typical lifespan of the 800075551 seal kit?
A: Seal kits typically last 3 to 6 years under normal use. Lifespan depends on hydraulic fluid cleanliness, operating temperature, and lift cycles per week. Contaminated fluid or high-temperature operation reduce life to 1 to 2 years.
Q: What symptoms indicate the 800075551 seals need replacement?
A: External hydraulic leaks around the pump cylinder, loss of lift pressure, difficulty raising or lowering the jack load, or visible hydraulic fluid dripping beneath the equipment indicate seal failure. Replace the entire kit when any seal fails.
Q: Are there compatible seal kit cross-references for Crown jacks?
A: The 800075551 may cross-reference as GW-SEAL-CROWN-3K or SU-SKT-CRN depending on your configuration. Confirm compatibility with your Crown model before ordering.