HEZ2450S/HEZ3050S
9. Maintenance
Maintenance, replacement, or repair of the emission control device and systems may be performed by any
WARNING
•Always be sure to stop the engine before inspecting the stick edger for problems or performing maintenance.
•Never alter the stick edger or take the engine apart.
•When replacing parts, always be sure to use only RedMax products or products which have been certified by RedMax for use with the RedMax stick edger.
■BE SURE TO CHECK THE FOLLOWING BEFORE USING YOUR STICK EDGER
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| Item to be checked | Response | |
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1 | Edging mechanism |
| • See if attachment is loose | • Tighten screws and bolts |
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| • Check if edges of blades are dull | • Sharpen or replace blades |
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2 | Throttle |
| • Stiff and difficult to move | • Repair or replace |
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3 | Throttle wire |
| • Too loose, too tight | • Adjust |
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| • Stiff and difficult to move | • Repair or replace |
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4 | Engine attachment |
| • See if fittings are loose | • Tighten fittings |
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5 | Fuel tank |
| • See if attachment is loose | • Tighten screws and bolts |
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| • See if fuel pipe is damaged | • Replace |
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| • See if cap packing is damaged | • Replace |
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6 | Muffler |
| • See if attachment is loose | • Tighten screws and bolts |
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7 | Cutting blade |
| • See if damaged or worn shorter than usable | • Replace |
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■MAINTENANCE CHART
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| every | every | every |
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| 25 | 50 | 100 |
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| system/compornent | procedure | before | hours | hours | hours | note |
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| use | after | after | after |
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| fuel leaks, fuel spillage | wipe out | ✔ |
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| fuel tank, air filter, fuel filter | inspect/clean | ✔ | ✔ |
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| replace, if necessary |
ENGINE | idle adjusting screw | see ■ADJUSTING | ✔ |
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| replace carburetor |
IDLING SPEED (p.13) |
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| if necessary | |||
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spark plug | clean and readjust |
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| GAP: .025in(0.6~0.7mm) | |
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| plug gap |
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| replace, if necessary |
| cylinder fins, intake air cooling vent | clean |
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| muffler, spark arrester, cylinder exhaust port | clean |
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| throttle lever, ignition switch | check operation | ✔ |
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| cutting parts | replace if | ✔ |
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SHAFT | something's wrong |
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drive shaft | grease |
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gear case | grease |
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| screws/nuts/bolts | tighten/replace | ✔ |
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| ✔ | not adjusting screws |
| cutting blade | inspect/replace | ✔ |
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| replace, if necessary |
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