Troubleshooting, Accessories – Ryobi JM82 User Manual
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1. Biscuits do not fit the slots. Biscuits not
fitting slots may also cause misalign-
ment of the boards being joined.
TROUBLESHOOTING
PROBLEM
SOLUTION
A. Biscuit slots are too deep or too shallow. Make fine adjustments to depth
setting. See “MAKING FINE ADJUSTMENTS”.
B. Biscuit thickness may be out of tolerance. Compress biscuits in a vise
if they are too thick.
C. Check to see if biscuits are the correct size for the size slots that have
been cut: #0, #10, or #20.
D. Check to see if biscuits have gotten wet and have swelled.
A. The dust collection system is not functioning properly. The dust bag
may be full. Empty the dust bag often. See “INSTALLING/REMOVING 
DUST BAG”.
B. The dust port may be clogged, preventing wood particles from being
drawn into the dust bag. Remove the front and rear base assemblies 
and clean blade, bearing plate, base assembly slots, and surrounding 
areas. See “CLEANING THE BASE ASSEMBLY AND DUST PATH”.
A. Wood particles and resin have built up on base assembly slots and sur-
rounding areas. Remove front and rear base assemblies and clean blade, 
bearing plate, base assembly slots and surrounding areas. Apply a thin 
coat of general purpose grease in slots or on bearing plate where base 
slides. See “CLEANING THE BASE ASSEMBLY AND DUST PATH”.
A. Blade is dull. Replace the blade. See “REPLACING THE BLADE”.
B. Resin has built up on the blade. Remove the blade and clean blade with 
gum and pitch remover. See “REPLACING THE BLADE”.
2. Wood particles begin to back up on the
front of the unit.
3. Blade becomes difficult to push in when
cutting slots. Blade does not retract 
properly when cutting slots.
4. Cutting performance is poor and there
is a loss of power or stalling of motor 
when cutting slots.
ACCESSORIES
The following recommended accessories are currently available at retail stores:
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Biscuits 100 pieces ................................................................................................................................................. Size 0
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Biscuits 100 pieces ............................................................................................................................................... Size 10
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Biscuits 100 pieces ............................................................................................................................................... Size 20
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Biscuit Assortment .................................................................................................................................. 400 pieces total
 Size 0................................................................................................................................................................100 pieces
 Size 10..............................................................................................................................................................100 pieces
 Size 20..............................................................................................................................................................200 pieces
WARNING:
Current attachments and accessories available for use with this tool are listed above. Do not use any attachments or
accessories not recommended by the manufacturer of this tool. The use of attachments or accessories not recommended 
can result in serious personal injury.
