Genuine Jack F4 & F5 Industrial Sewing Machine Knee Lifter Push Rod (10111005)

The 10111005 Knee Lifter Push Rod Jack F4,F5 (Jack Original) is an authentic, factory-standard replacement component designed explicitly for Jack industrial single-needle lockstitch sewing machines. This high-quality push rod transmits force smoothly from the oil pan knee lifter mechanism up to the presser foot assembly, ensuring effortless, hands-free foot lifting during high-speed operations.

Key Features & Benefits

• 100% Genuine Jack Original Part: Manufactured directly by Jack, ensuring perfect fitment, precise dimensions, and structural integrity that aftermarket parts cannot match.

• Heavy-Duty Durability: Forged from high-tensile industrial steel to withstand continuous daily pressure and eliminate flexing or bending over long periods of heavy factory use.

• Seamless Compatibility: Engineered specifically to slide perfectly into the internal guide channels of Jack F4 and Jack F5 energy-saving lockstitch sewing machines.

• Restores Smooth Ergonomics: Replacing a worn or bent push rod eliminates sticking and lag, restoring the quick, responsive action of your knee lifter lever.

Specifications

• Part Number: 10111005

• Part Name: Knee Lifter Push Rod / Presser Bar Lifting Rod

• Brand: Jack Original

• Compatible Models: Jack F4, Jack F5 Industrial Lockstitch Machines

Frequently Asked Questions (FAQs)

Q: Is this an authentic Jack brand component? A: Yes, this is a 100% original Jack factory replacement part (Part No. 10111005), sourced to meet exact manufacturer specifications for build quality and machine fitment.

Q: Which sewing machine models can use this push rod? A: This push rod is designed specifically for standard single-needle industrial lockstitch models from Jack, primarily the Jack F4 and Jack F5 series.

Q: What does the knee lifter push rod do? A: It is the internal vertical rod that sits inside the machine head casting. When you push your knee against the lower lifting lever under the table, this rod pushes upward to raise the presser foot without using your hands.

Q: Can I use this rod on industrial machines from Juki or Brother? A: While many industrial lockstitch parts share generic dimensions, it is highly recommended to use this part specifically for Jack F4 and F5 machines to ensure the exact length and diameter required for seamless operation.