Life Fitness Pro Series - Manual (Page 7)

2. General Specifications
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6. Top Weight Bushings
• The top weight bushings shall float within the top weight utilizing rubber o-rings to assure ideal
alignment with the guide rods.
• The bushings are self-lubricating in order that the guide rods will not require lubrication.
7. Weight Stack Guide Rods
• Guide rods are 3/4” cold-drawn steel, turned ground and polished with hard chrome finish.
8. Weight Stack Suspension
• Durable rubber bumpers are suspended under each stack to reduce shock and vibration stresses
to the frame and facility floor.
9. Weight Selection Shaft
• The shaft is constructed of stainless steel and precision drilled for accurate pin selection.
10. Weight Transport
• 7 x 19 construction, 3/16” galvanized steel, lubricated, nylon-coated aircraft cable with breaking
strength rated at over 4000 pounds.
11. Cable Adjustment
• All cables can be adjusted at the top weight utilizing a standard 7/8” open-end wrench.
12. Weight Stack Guards
• All weight stacks are guarded on the back side to prevent bystanders from inadvertent contact
with the weight stack during use.
13. Pulleys
• All pulleys are at least 4 -1/4” working diameter fiberglass impregnated nylon with precision fit
cable groove and double sealed bearings.
14. Pulley Covers
• As a safety precaution, all pulleys are covered to minimize the danger of a moving pulley catching
a person’s finger or clothes.
15. Cams
• All cams are laser cut steel and individually designed for each unit to match the appropriate mus-
cle strength capability curve.