Instruction Manual. JK-2. IMPORTANT z Read carefully and understand SAFETY INSTRUCTIONS before operating this strapping machine. z Keep this Instruction The strapping machine can only be operated with polypropylene (P.P.) strapping; do not use polyester (PET) strapping or polyethylene (PE) cord strap. (2) During 2. The plastic strap is wrapped around a large cardboard spool. Remove the spool from the box and set it next to the strapping machine. Grasp the handle on the2. The plastic strap is wrapped around a large cardboard spool. Remove the spool from the box and set it next to the strapping machine. OPERATION & MAINTENANCE MANUAL 2. Strapping Head. 3. Installation. 4. Operating Instructions This manual contains safety, operating, and maintenance. INSTJK-2 Instruction Manual JK-2. Our Products: Packaging Machinery Parts > Strapack Parts. SKU: INSTJK-2. Price: $20.20. Add to the cart Add to Cart.