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31
FREQUENCY MAINTENANCE REQUIRED
Before each use • Check for loose screws, nuts or bolts (tighten as needed)
• Check for damaged or worn parts*
• Check the saw chain sharpness. Refer to Maintaining the Saw Chain.
• Check the chain tension (adjust as needed). Refer to Adjusting the
Chain Tension.
• Fill the chain oil reservoir (rell frequently). Refer to Adding Bar and
Chain Oil.
After each use • Clean the unit and inspect decals. Refer to Cleaning in the Cleaning
and Storage section.
Every 10 hours • Clean the guide bar groove and oil passages.
• Clean and re-oil the air lter. Refer to Maintaining the Air Filter.
After the rst 10 hours,
at 50 hours, and at 100
hours
• Check the spark plug condition and gap. Refer to Maintaining the
Spark Plug.
* If maintenance or replacement is required, have the unit serviced by an authorized service center.
ADDING BAR AND CHAIN OIL
The guide bar and saw chain require lubrication to minimize friction. Never starve the guide bar and
chain of lubricating oil. Running the unit without enough oil will decrease cutting eciency, shorten
the life of the saw chain, cause rapid dulling of the saw chain and excessive wear to the guide bar from
overheating. An insucient amount of lubricating oil is evidenced by smoke, guide bar discoloration or
pitch build-up.
Only use bar and chain oil that is formulated to perform over a wide range of temperatures with no
diluting required in the chain oil reservoir. Do not use motor oil or any other petroleum-based oil. Do
not use dirty, used or contaminated oil. Damage may occur to the guide bar or saw chain. Dispose of
old oil according to federal, state and local regulations.
Checking the Chain Oil Level
1. Set the unit on a at, level surface. Position the unit with the chain oil cap facing up (Fig. 14).
2. Make sure that the chain oil reservoir is at least half full (Fig. 14). If the oil level is too low, add bar
and chain oil. Refer to Filling the Chain Oil Reservoir.
Filling the Chain Oil Reservoir
1. Set the unit on a at, level surface. Position the unit with the chain oil cap facing up (Fig. 14).
2. To prevent debris from entering the chain oil reservoir, use a damp cloth to clean the chain oil cap
and surrounding area.
3. Unscrew the chain oil cap (Fig. 14).
WARNING: Failure to ll the chain oil reservoir will cause irreparable damage to the
unit. Make sure the chain oil reservoir is always lled. Always use bar and chain oil.
WARNING: Oil constantly ows from the chain oil reservoir to oil the saw chain.
Check the chain oil level frequently so that it does not drop below half full.
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