Product Description
U-RING 32X40X5.5
Frequently Asked Questions
Q: What is the JT JHS1100-115 u-ring and what does it do?
A: The JT JHS1100-115 is a u-ring (also called a cup seal or packing ring) measuring 32 mm inner diameter by 40 mm outer diameter with a 5.5 mm height. U-rings are dynamic seals used in pallet jack cylinders to contain hydraulic pressure and prevent fluid bypass past the piston rod.
Q: Which Toyota pallet jack models use the JT JHS1100-115 u-ring?
A: This u-ring is used in Toyota JHS1100 series pump and cylinder assemblies found on manual and electric pallet jacks. Cross-reference your equipment documentation or contact us with your pallet jack model number to confirm compatibility.
Q: What material is the JT JHS1100-115 u-ring made from?
A: This u-ring is manufactured from polyurethane or nitrile elastomer, depending on the manufacturing run. Both materials are compatible with ISO 46 hydraulic fluid and provide reliable sealing in 2000-3000 psi hydraulic systems typical of pallet jacks.
Q: How do I know if the JT JHS1100-115 u-ring needs replacement?
A: Replace the u-ring if you observe steady hydraulic fluid dripping from the cylinder rod area, if the mast rises slowly or does not hold load, or if internal cylinder pressure drops during normal operation. Worn u-rings cannot maintain pressure.
Q: Is the JT JHS1100-115 u-ring part of a seal kit?
A: Yes, this u-ring is typically included in Toyota pallet jack cylinder seal kits along with o-rings and rod wipers. If you are replacing seals, order the complete kit to ensure all worn components are replaced together for maximum reliability.