What are some common problems/solutions with regards to blade drive belts?
Blade drive belt comes off during use
Blade drive belt may suffer internal damage to cords when it comes off during use. If the belt still comes off after checking all steps below, replace with a new original equipment belt.
Check belt tension per manual. Adjust if necessary.
Check belt guide(s). Correct clearance is 1/16 in. from belt when blade engagement lever is engaged.
Check that mower deck is level.
Check for and remove any foreign objects interfering with belt travel.
Check all pulleys for damage. Replace if necessary.
If grass is too high or wet, belt slippage may occur.
Check belt for wear or damage. Replace if necessary.
Check tension spring of blade drive belt. If spring is stretched or damaged, replace spring.
Check for and remove all foreign objects interfering with belt travel.
Make sure blade brake is clearing belt when mower clutch lever is engaged. Adjust and replace if necessary.
Check mower deck level adjustment.
Check blade tension per manual. Adjust if necessary.
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