Ryobi RY40570 Operation Manual - Page 28

Chain Maintenance, Warning

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MAINTENANCE CHAIN MAINTENANCE See Figures 33 - 35. WARNING: Remove the battery pack and make sure the chain has stopped before you do any work on the saw. Use only low-kickback chain on this saw. This fast-cutting chain will provide kickback reduction when properly maintained. For smooth and fast cutting, chain needs to be maintained properly. The chain requires sharpening when the wood chips are small and powdery, the chain must be forced through the wood during cutting, or the chain cuts to one side. During maintenance of your chain, consider the following:  Improper filing angle of the side plate can increase the risk of a severe kickback.  Raker (depth gauge) clearance.  Too low increases the potential for kickback.  Not low enough decreases cutting ability.  If cutter teeth have hit hard objects such as nails and stones, or have been abraded by mud or sand on the wood, have service dealer sharpen chain. NOTE: Inspect the drive sprocket for wear or damage when replacing the chain. If signs of wear or damage are present in the areas indicated, have the drive sprocket replaced by a Ryobi Service dealer. RAKER CLEARANCE .025 in. Fig. 33 CHECK FOR WEAR OR DAMAGE TOP PLATE Fig. 34 CUTTING CORNER SIDE PLATE RIVET HOLE DEPTH GAUGE HEEL GULLET TOE Fig. 35 28 - English

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28 - English
MAINTENANCE
Fig. 33
CHAIN MAINTENANCE
See Figures 33 - 35.
WARNING:
Remove the battery pack and make sure the chain
has stopped before you do any work on the saw.
Use only low-kickback chain on this saw. This
fast-cutting chain will provide kickback reduction
when properly maintained.
For smooth and fast cutting, chain needs to be
maintained properly. The chain requires sharpen-
ing when the wood chips are small and powdery,
the chain must be forced through the wood dur-
ing cutting, or the chain cuts to one side. During
maintenance of your chain, consider the following:
Improper filing angle of the side plate can
increase the risk of a severe kickback.
Raker (depth gauge) clearance.
Too low increases the potential for kickback.
Not low enough decreases cutting ability.
If cutter teeth have hit hard objects such as nails
and stones, or have been abraded by mud or sand
on the wood, have service dealer sharpen chain.
NOTE:
Inspect the drive sprocket for wear or dam-
age when replacing the chain. If signs of wear or
damage are present in the areas indicated, have the
drive sprocket replaced by a Ryobi Service dealer.
Fig. 34
CHECK FOR WEAR
OR DAMAGE
RAKER CLEARANCE
.025 in.
Fig. 35
CUTTING
CORNER
SIDE PLATE
DEPTH GAUGE
TOE
GULLET
HEEL
RIVET HOLE
TOP PLATE