![background image](http://html1.mh-extra.com/html/ryobi/ry40500/ry40500_operators-manual_1504245028.webp)
28 - English
PROBLEM CAUSE
SOLUTION
Bar and chain running
hot and smoking.
Motor runs, but chain is
not rotating.
1. Check chain tension for
over tight condition
2. Chain oil tank empty.
1. Chain tension too tight.
2. Check guide bar and chain
assembly.
3. Check guide bar and chain
for damage.
1. Tension chain. Refer to
Chain
Tension earlier in this manual.
2. Check oil tank.
1. Retension chain, Refer to
Chain
Tension earlier in this manual.
2. Refer to
Assembling the Bar and
Chain earlier in this manual.
3. Inspect guide bar and chain for
damage.
TROUBLESHOOTING
CALL US fIRST
For any questions about operating or maintaining your product,
call the Ryobi
®
Help Line!
Your product has been fully tested prior to shipment to ensure
your complete satisfaction.
Chain specifications: .375 in. pitch, low profile narrow kerf, .043 in. chain gauge, 5-tooth drive
sprocket.
Length of Bar
Guide Bar Part Number
Chain Part Number
Drive Links
12 in.
099966002001
099966002002
52
BAR AND CHAIN SPECIFICATIONS