Drive Pulley And Belt Maintenance; Pulley Requirements; Condition Of Grooves On Pulleys; Figure 7. Examples Of Drives This Instruction Applies To: One Or More V-Belts, Attached V-Belts And Tooth Belts - Milnor 42044WR2 Mechanical Parts And Service

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Drive Pulley and Belt Maintenance

Figure 7. Examples of drives this instruction applies to: one or more V-belts, attached V-belts and
tooth belts
NOTICE: "Remove power from the machine" means use the necessary safety procedure
for your location. In the USA, this is the OSHA lockout/tagout (LOTO) procedure. More
local requirements can also apply.
WARNING: Risk of Injury or death — A machine in operation without safety guards
TIP: Read these documents from the Gates Corporation (www.gates.com) to know
more about pulley and belt maintenance: "Belt Drive Preventive Maintenance & Safety
Manual" and "Preserve your investment - Check Engine Belts Often."

Pulley Requirements

• Keep pulleys free of dirt, oil and other contamination.
• Replace pulleys with groove damage.
• Align pulleys and shafts.
• Keep run-out in tolerance.

Condition of Grooves on Pulleys

Replace a pulley if:
• the grooves have burrs, cracks, or worn areas that can cause damage to the belts.
• the belts touch the bottom of the groove at any point
Pellerin Milnor Corporation
is dangerous. Drive belts can pull in your body or clothing.
Remove power from the machine when you do work on the
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mechanisms.
Stay out of the machine frame when you do a test on the machine.
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Replace all covers before you put the machine into operation.
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Drive Assemblies
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