: Most versions are paired with an IPL (Illustrated Parts List), which uses exploded diagrams and OEM part numbers to help you identify every component, from the crankcase to the chain brake [4, 5].
Older rubber lines can crack, preventing a vacuum seal and stopping fuel from reaching the carburetor. stihl 084 av service manual
When using the Stihl 084 AV service manual: : Most versions are paired with an IPL