MAINTENANCEPPT-280
Filing Standard Saw Chain
Power Pruner B&C Combinations
| BAR P/N | CHAIN P/N | CHAIN TYPE | LINKS | PITCH | GUAGE |
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| Narrow Kerf |
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| 10" narrow bar P/N | 90PX39CQ | 90 | 39 | 3/8” | 0.043 |
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| 10A4CD3739 |
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| 12" narrow bar P/N | 90PX44CQ | 90 | 44 | 3/8” | 0.043 |
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| 12A4CD3744 |
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| Regular |
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| 10" regular bar P/N | 91VXL39CQ | 91 | 39 | 3/8” | 0.050 |
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| 10A0CD3739 |
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| 12" regular bar P/N | 91VXL44CQ | 91 | 44 | 3/8” | 0.050 |
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| 12A0CD3744 |
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Check bar Part Number on your Power Pruner. Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above.
Dull or damaged cutters will result in poor cutting performance, increased vibration, and premature saw chain failure.
Level 2
Always stop engine and disconnect spark plug wire before servicing guide bar and saw chain. Always wear gloves whenfilingsawchain,otherwiseseriouspersonalinjury may result.
1
1.Set round file (A) in cutter at 30° angle. One fifth (1/5) of the file should be exposed above top cutter edge.
2.Keep file horizontal in cutter and file in one direction.
2
3.File until cutter top and side bevel edges are sharp without nicks.
4.Place depth gauge tool (B) firmly on top of cutter with .025 in. slot and end against front cutter raker. File cutter raker with flat file until flush with top of depth gauge.
3
30
30°
90°
X7702091009
© 02/2014 ECHO Inc.
