P-148 Tricep Pushdown

Specifications

Adjustable positions on all machines to accommodate all users to ensure correct biomechanical function. Adjustments are made with Heavy Duty spring loaded pull-pin knobs.
Weight Stacks are adjusted with a tethered, magnetic selector pin that extends through the entire weight stack.
Cable system. Cables are 3/16" thick 4800lb test military spec galvanized oil impregnated air craft cable finished with a tough nylon coating ¼" thick.
Manual Tension adjusters on every machine for the cable adjustments.
Weight stack plates are solid steel machined precisely to correct weight.
Weight stack is accessible from a seated position.
Weight stacks are enclosed in Full length Shrouds (optional)
Weight system allows user to add 5 or 10lb weights to the weight stack. (optional)
Performance Plus placards used to inform correct usage for each machine along with anatomical highlights to show which muscle groups are being worked.
Each machine is made with a lower starting weight stack and has counter-balanced arms when needed.
Premier Heavy-duty 40 oz. commercial grade marine naugahyde, Federal Specification AA-2950A (Supercedes CCCA680a), Federal Aviatin Admin. FAR 25.853 (b) & appendix F Part 1 (a) (i) (ii)(v), Boston Fire Code (BFD IX_1), port Authority of NY & NJ., Bacteria resistant, Padding is 3" closed cell High Density foam reinforced with ¾" thick plywood back support.
Guide rods are 1" CCRO ANSI 1045, solid steel hard chrome-plated with tensile strength of 75,000psi.
Frames are constructed of High Stress 3/16" ASTM A-500 grade B structural steel tubing ( 11 gauge). 2" x 4", 2" x 3" tubing. 2" x 3" tubing is use on all uprights, 2" x 2" x 1/8" ASTM A-500 grade B structural carbon steel tubing (11gauge) is used on cross members and benches.
All welds are ground down and stress tested
3-stage pre-paint preparatory process that includes a state of the art wash system that paralyzes the material. Then the material is processed through a dryer to dry the material. The material is then sent through a preheat stage before it has the magnetic paint powder applied. (optional colors)
Urethane foam grades are a minimal grading of HR-125 (density pcf of 2.60 plus/minus 0.10 and above in high-compression areas (HR-150 with a density pcf of 4.60 plus/minus 0.30).
Cams are computer designed and precision flame cut to exact shape to allow proper variable resistance throughout the exercises complete range of motion. All Cams are 1/4" thick solid steel. The cams are different for each machine to provide the correct movement for the exercise.
Shrouded pulley housing is 6" x ¼" thick solid steel.
Pulley Wheels are 4 ½" and 6" solid fiberglass reinforced body with a 1/2" cable groove. Oil dipped double sealed racer ball bearings with a ½ " axis shaft hole. Sealed for moisture and dust proof.