
Maintenance
■PROCEDURES TO BE PERFORMED AFTER
EVERY 50 HOURS OF USE
•Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon buildup. Wipe
away any carbon buildup on the muffler exhaust vent and cylinder exhaust port at the same time.
• Tighten all screws, bolts, and fittings.
Storage
BEFORE STORING THE BLOWER:
1.Drain a fuel tank and push the primer bulb until it becomes empty of fuel.
2.Remove the spark plug and drop a spoonful of 
Troubleshooting guide
Case 1. Starting failure
| CHECK | PROBABLE CAUSES | ACTION | 
| fuel tank | ➞ | incorrect fuel | 
| fuel filter | ➞ | fuel filter is clogged | 
| carburetor adjustment screw ➞ | out of normal range | |
| sparking (no spark) | ➞ | spark plug is fouled/wet | 
| 
 | ➞ | plug gap is incorrect | 
| spark plug | ➞ | disconnected | 
➞drain it and with correct fuel
➞clean
➞adjust to normal range
➞clean/dry
➞correct (GAP: 0.6~0.7mm)
➞retighten
Case 2. Engine starts but does not keep running/Hard 
| CHECK | PROBABLE CAUSES | 
 | ACTION | 
| fuel tank | ➞ incorrect fuel or staled fuel | ➞ drain it and with correct fuel | |
| carburetor adjustment screw | ➞ out of normal range | ➞ adjust to normal range | |
| muffler,cylinder (exhaust port) | ➞ carbon is  | ➞ | wipe away | 
| air cleaner | ➞ clogged with dust | ➞ | wash | 
When your unit seems to need further service, please consult with our RedMax service shop in your area.
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