Tools required:
S 5/32 inch (4 mm) diameter round file and file holder
SFlat file
SDepth gauge tool
TO SHARPEN CHAIN:
1.Move ON/STOP switch to the STOP position.
2.Check chain for proper tension. Ad- just chain tension if necessary. See
CHECK CHAIN TENSION section.
3.Sharpen cutters.
STo sharpen the cutters, position the file holder level (90˚) so that it rests on the top edges of the cut- ter and depth gauge.
NOTE: The chain has both left and right hand cutters.
File Holder
File
Hook Angle
| 0.025 inch |
| (0.65 mm) |
| Rounded |
Right | Corner |
| |
Too Much Hook Angle | Squared Off |
| Corner |
Wrong
WARNING: Maintain the proper hook angle according to the manufac- turer’s specifications for the chain you are using. Improper hook angle will in- crease the chance of kickback which
Cutter
90˚
can result in serious injury.
4. Check and lower depth gauges.
Depth Gauge
SAlign the 30˚ file holder marks parallel with the bar and to the center of the chain.
Cutter
Depth Gauge Tool | File |
Depth Gauge
30˚ | Cutter |
File Holder Line |
|
SSharpen cutters on one side of the chain first. File from the inside of each cutter to the outside. Then,
turn the chain saw around and re- peat the process for the other side of the chain.
SFile on the forward stroke only. Use 2 or 3 strokes per cutting edge.
SKeep all cutters the same length
when filing.
SFile enough to remove any dam- age to cutting edges (side plate and top plate of cutter).
All Cutters | Remove Damage |
Same Length |
|
| Top Plate |
| Side Plate |
SFile chain to meet the specifica- tions as shown.
80˚60˚
30˚
14
SPlace gauge tool on cutter.
SIf the depth gauge is higher than the depth gauge tool, file it level to
the top of the depth gauge tool.
SMaintain rounded front corner of depth gauge with a flat file. NOTE: The very top of the depth gauge should be flat with the front
half rounded off with a flat file.
If you require further assistance or are un- sure about performing this procedure, contact your authorized service dealer or call our customer assistance help line at
WARNING: Avoid accidental start- ing. Always unplug saw from power source before installing a bar and/or chain.
CHAIN REPLACEMENT
WARNING: Wear protective gloves when handling chain. The chain is sharp and can cut you even when it is not moving.
It is normal for a new chain to stretch dur- ing the first 15 minutes of operation. You should recheck your chain tension fre- quently and adjust the chain tension as required. See CHECK CHAIN TENSION section.
Replace the old chain when it becomes worn or damaged.
