Lockout Procedure, Maintenance And Storage; Lockout Procedure, Belt Tension And Changing Blades - North Star M191185C.7 Owner's Manual

Trencher/edger
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Lockout Procedure
Before performing maintenance, the trencher/edger must be placed in lockout mode.
1.) Turn off engine.
2.) Disconnect engine spark plug wire.
Belt Tension
1. The ideal belt tension is the lowest tension at which the belts will not slip under peak load conditions.
- Belts are too loose if a "squealing" noise is heard during operation.
- Belt tension is too tight if engine cannot be started when all four wheels are resting on the ground.
2. Check belt tension after the first hour of operation. Recheck again after 20 hours of operation.
Handle
Changing Belt
Remove (4) 5/16" x ½" bolts and (2) 5/16" x ¾" bolts with nuts that fasten the guard in place.
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Remove belts from pulleys by hand, no tools are required.
Install new belts in reverse order of removal.
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Run machine and retention belts as required. Excessive belt tension will shorten belt life.
Never mix old belts and new belts. Never mix belts from different manufacturers.
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Keep belts free of foreign material. Do not use belt dressing.
Maintenance and Storage
To adjust belt tension:
1. Loosen both Lock Nuts.
2. Hold Control Cable while turning turnbuckle.
3. Check belt tension by digging a trench.
4. Retighten Lock Nuts.
Control Cable
Lock Nut
Turnbuckle
Lock Nut
CAUTION
New belts require approximately 1 hour of use for proper
break-in. DO NOT allow engine to run more than 2 minutes
without engaging blade, serious damage can result to the
belts.
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191185

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