CLEANING AND MAINTENANCE
Filing Cutter Depth Gauges | Replacing Saw Chain |
Thecutterdepthgaugeclearanceisreducedas cutters are sharpened. After every second or third sharpening, reset cutter depth gauges.
1.Place depth gauge tool (.025") firmly across top of two cutters. Make sure depth gauge enters slot in depth gauge tool (see Figure 34).
2.Use medium fat file. File depth gauge level with depth gauge tool.
3.Remove depth gauge tool. With fat file, round off front corner of cutter depth gauge (see Figure 35).
After several hand filings, have authorized service center or sharpening service machine sharpen chain. This will insure even filing.
Depth Gauge
Flat File
Depth Gauge
Tool
Figure 34 - Depth Gauge Tool On Chain
Front
Corner
.025"
Figure 35 - Round Off Front Corner Of Depth Gauge
WARNING: Remove battery from chain saw before adjusting saw chain tension. Severe injury or death could occur from body contact with moving chain.
WARNING: Cutting edges on chain are sharp. Use protective gloves when handling chain.
IMPORTANT: Do not clamp chain- saw in vise to replace saw chain or guide bar.
Replace chain when cutters are too worn to sharpen or when chain breaks. Only use replacement chain noted in this manual. Always include new drive sprocket when replacing chain. This will maintain proper driving of chain. Note: For proper chain and drive sprocket, see Parts List, page 44.
Refer to Figure 36 while completing the following steps.
1.Loosen and remove guide bar nuts.
2.Remove sprocket cover.
3.Remove saw chain.
4.Place new chain around drive sprocket, along top groove of guide bar, and around guide bar nose. Note: Make sure cutting edges of chain are facing in right direction. Position chain so cutting edges on top of guide bar face guide bar nose (see Figure 37 and indicator on side cover of saw).
5.Before placing sprocket cover onto guide bar bolts, verify that the adjusting nib is in the adjusting hole on the guide bar.
6.Place sprocket cover onto guide bar bolts.
7.Thread guide bar nuts onto guide bar bolts. IMPORTANT: Finger tighten only.
8.Adjust chain tension. Follow steps under Saw Chain Tension, page 12).
9.Securely tighten guide bar nuts with wrench.
Sprocket
GuideBar Bolts
Guide Bar
Saw Chain
Adjusting
Hole
Adjusting Nib | Guide Bar Nuts |
|
Sprocket Cover
Figure 36- Guide Bar and Saw Chain Replacement
Cutting Edges
Figure 37 - Correct Installation of Saw Chain
ENGLISH
CAUTION: Do not place chain on saw backwards. If chain is back- wards, saw will vibrate badly and will not cut.
Continued
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