![Chain and Guide Bar Combinations](/images/new-backgrounds/82995/8299545x1.webp)
High Altitude Adjustment
1.Start engine and run for several minutes to reach operating temperature.
2.Stop engine.
3.Start engine and turn the HI speed needle (A) lean (CW) until the engine runs between 13,500 and 14,500 RPM. Then turn the LO speed needle lean (B) (CW) until the engine does not hesitate when accelerated.
DO NOT REMOVE LIMITER CAPS!
4.Idle Speed Adjustment.
• Turn “idle” speed adjustment screw (C) CW until the saw chain begins to move, then turn the screw CCW until saw chain stops moving. Turn screw CCW an additional 1/4 turn.
5.Accelerate to full throttle for
C
A B
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| Chain and Guide Bar Combinations |
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| The following combinations may be used on |
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| GUÍA DE LA |
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| LARGO |
| BARRA | CADENA DE SIERRA CONTRAGOLPE BAJO | ||||
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MODELO | DE |
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| BAJO |
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| N/P BARRA | N/P CADENA | DISTANCIA | TYPO | ESLABONES | GA |
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12 pulg |
| 12A0ED3745 | 45 |
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14 pulg |
| 14A0ED3752 | 52 | 91VG | 3/8" | 0.050 | ||
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16 pulg |
| 16A0ED3757 | 57 |
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*Reduced nose radius symmetrical bars (OREGON name — Double Guard)
WARNING
Use of replacement saw chain and/or guide bar other than that specified, or operation without the “tip guard” in place, may cause severe kickback resulting in serious injury.
Only use saw chain designated as,
IMPORTANT
Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above.
IMPORTANT
If your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name of the Echo dealer nearest you, Call:
Refer to your Chain Saw Safety Manual for kick guard application information.
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