Clean and Lubricate Guide Rods
Inspect the exposed areas of the guide rods for cleanliness. Using a dry cloth,
wipe any buildup of dirt or grease from the rods.
Note: On Discovery Selectorized strength equipment, the shroud must be
removed to access the guide rods for inspection, cleaning, and lubricating.
Lubricate the exposed areas of the guide rods by applying a light coat of
silicone spray lubricant. Spray the silicone lubricant on a cloth and then wipe
the guide rods with the cloth. Be careful with any lubricant spray; it can stain
carpet and clothing.
CAUTION: Do not attempt to lubricate the guide rods when the equipment
is in use. Attempting to lubricate between the weight plates without
completely disassembling the stack will result in serious injury.
Important: Do not use petroleum-based lubricants. These lubricants tend to cause a
rapid buildup of dirt and hair on the weight plates, which can cause the plates to
stick together.
Inspect Cables, Connections, and Tension
Each week, give the cables and connections a thorough inspection and check
cable tensions. The following lists the specific things you need to inspect:
Check the cable termination at the weight stack. For most equipment, the
exposed shank should be threaded to a distance no more than ⁷₈ inches
(22 mm); this distance allows for a minimum of six turns of the bolt into
the selector stem. Check and adjust the distance accordingly. Also make
sure that the locking jam nut is tight against the selector stem.
Check the cable, especially near all pulley wheels and cams.
Check the cable as it terminates at the cam, which is stationary on most
equipment. Inspect the bolt passing through the cam end fitting to be sure
the two jam nuts are tightened against each other. Also, check the entire
cable routing to verify that there is no interference with any structure.
Inspect the ball end of the cable where the cable connection rests in the
clevis housing.
Make sure that each cable is properly adjusted and tightened at the top of
the weight stack.
Check cable pulleys, end connections, and end fittings. Make sure all
connections are tight, adjusting cable tension as necessary.
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