PSZ2450S
9. Maintenance
■SAW CHAIN
WARNING
It is very important for smooth and safe operation to keep the cutters always sharp.
Your cutters need to be sharpened when:
•Sawdust becomes
•You need extra force to saw in.
•The cut way does not go straight.
•Vibration increases.
•Fuel consumption increases.
Cutter setting standards:
MA8 | Make sure every cutter has the same | ||
length and edge angles as illustrated. | |||
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| (MA8) | ||
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| (4) Cutter length | U | |
| (5) Filing angle | ||
| S | ||
| (6) Side plate angle | ||
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| (7) Top plate cutting angle |
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MA6
WARNING
Be sure to wear safety gloves.
Before filing:
• Make sure the saw chain is held |
MA9
■ AIR FILTER
• The air filter, if clogged, will reduce the engine performance. Check and clean the filter element. If the element is broken or clogged, replace with a new one. (MA9)
securely. |
• Make sure the engine is stopped. |
(1)
(1) Air filter
• Use a round file of proper size for your |
chain. |
Chain type : 90SG
File size : 5/32 in (4.0mm)
Place your file on the cutter and push straight forward. Keep the file position as illustrated. (MA6)
MA10 |
(1) |
■FUEL FILTER
•When the engine runs short of fuel supply, check the fuel cap and the fuel filter for blockage. (MA10)
(1) Fuel filter
MA7
After every cutter has been set, check the depth gauge and file it to the proper level
MA11 |
.025 in |
0.655mm |
■SPARK PLUG
•Starting failure and
•REPLACEMENT PLUG IS A CHAMPION RZ7C.
as illustrated. (MA7)
WARNING
Be sure to round off the front edge to reduce the chance of kickback or tie- strap breakage.
(1)Appropriate gauge checker
(2)Make the shoulder round
(3)Depth gauge standard
IMPORTANT
•Note that using any spark plug other than those designated may result in the engine failing to operate properly or in the engine becoming overheated and damaged.
•To install the spark plug, first turn the plug until it is finger tight, then tighten it a quarter turn more with a socket wrench.