Kickback Safety Precautions |
Troubleshooting
ENGINE DOES NOT START
DESCRIPTION | WARNING! | |
Either of the following reactions | ■ Grip the saw firmly with your right | |
| could cause you to lose control of | hand on the rear handle and your |
| your saw while cutting, possibly | left hand on the front handle, |
| resulting in serious injury! | thumbs and fingers encircling the |
| 1. Kickback can occur whenever the | handles, whenever the saw is |
| running. Don't let go: A firm grip | |
| guide bar nose or tip contact an | |
| will help you to reduce kickback | |
| object while the saw is running. | |
| while maintaining control of the | |
| Tip contact may cause the guide | |
| saw. | |
| bar to kick upward and back | |
| ■ Accelerate the saw before the | |
| toward the operator, with a | |
| chain contacts the work area, and | |
| 2. Pinching the saw along the top of | always maintain high engine |
| speeds throughout the cut. | |
| the guide bar may push the guide | ■ Do not overreach or attempt to cut |
| bar rapidly back toward the | |
| above shoulder height. | |
| operator! Pinching can occur | |
| ■ Follow the manufacturer's | |
| whenever wood closes in around | |
| the moving chain! | instructions for sharpening and |
| Do not rely exclusively on the safety | maintenance of the saw chain. |
| ■ Use only the replacement bar and | |
| devices incorporated with your saw. | |
| chain combinations specified by | |
| As a chain saw user, observing the | |
| the manufacturer. | |
| following steps will also help you to | |
|
| |
| avoid accident or injury on the job: | ■ Never stand directly over the saw |
| ■ Sudden surprise can contribute to | while cutting! |
| ■ Use | |
| accidents! With a basic under- | |
| brakes, or special guide bars to | |
| standing of kickback, you can | |
| reduce the risk of kickback. Low | |
| reduce or eliminate the element of | |
| kickback chain is chain that has | |
| surprise. | |
| met the kickback performance | |
| ■ Clear obstructions from the work | |
| requirements of ANSI B175.1- | |
| area before cutting. Remove any | 2000 (American National Standard |
| log, branch, or other obstruction | for Power |
| that might contact the guide bar | Chain |
| tip during cutting operations. | when tested on the representative |
|
| sample of chain saws below 3.8 |
|
| c.i.d. specified in ANSI B175.1- |
What To Check
Does the engine crank?
YES
Good compression?
YES
Does the tank contain fresh fuel of the proper grade?
YES
Is fuel reaching the cylinder and combustion chamber?
YES
Is there spark at the spark plug wire terminal?
YES
Check the spark plug.
Possible Cause
Faulty recoil starter. NO Fluid in the crankcase.
Internal damage.
Loose spark plug. NO Excess wear on
cylinder, piston, rings.
Stale, or contaminated NO fuel mixture.
Check for clogged fuel NO filter and/or vent.
Is the ignition
NO switch ON?.
Faulty ignition ground. Faulty ignition unit.
If the plug is wet, excess fuel may be in the
cylinder.
The plug is fouled
or improperly gapped.
The plug is damaged internally or of the wrong size.
Remedy
Consult with an authorized servicing dealer.
Tighten and
at a 50:1 ratio).
Clean as required; restart.
Move switch to ÒIÓ (ON) position and
Crank the engine with the plug removed, replace the plug, and
Clean and
Replace the plug with a Champion CJ6Y.
NGK BPMR 7A
2000. |
8
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TROUBLESHOOTING