STARTING A WARM ENGINE
1.Move throttle lever to the
position.
2.Pull starter rope sharply until engine runs, but no more than 5 pulls.
NOTE: If engine has not started, pull starter rope 5 more pulls. If engine still does not run, it is probably flooded.
3.To stop the engine, move the throttle lever to the STOP position.
STARTING A FLOODED ENGINE
Flooded engines can be started by placing the choke lever in the RUN position. Move throttle
lever to the fast position | ; then, pull rope |
until engine starts. After engine starts, move the
throttle lever to the slow position 
to allow engine to idle.
Starting could require pulling the starter rope many times depending on how badly the unit is flooded.
If unit still doesn’t start refer to the TROUBLE- SHOOTING TABLE or call
WARNING: Avoid touching muffler unless engine and muffler are cold. A hot muffler can cause serious burns.
WARNING: Stop engine and be sure the impeller blades have stopped turning be- fore opening the vacuum inlet door or at- tempting to insert or remove the vacuum or blower tubes. The rotating blades can cause serious injury. Always disconnect the spark plug before performing maintenance or ac- cessing movable parts.
GENERAL RECOMMENDATIONS
The warranty on this unit does not cover items that have been subjected to operator abuse
CLEAN AIR FILTER
Air Filter
Cover
or negligence. To receive full value from the warranty, the operator must maintain unit as instructed in this manual. Various adjust-
Air Filter
Screws
ments will need to be made periodically to properly maintain your unit.
CHECK FOR LOOSE
FASTENERS AND PARTS
SSpark Plug Boot S Air Filter
S Housing Screws S Muffler
CHECK FOR DAMAGED OR WORN PARTS
Contact an authorized service dealer for re- placement of damaged or worn parts.
SFuel Tank
signs of damage or leaks.
SVacuum Bag
INSPECT AND CLEAN UNIT AND DECALS
S After each use, inspect complete unit for loose or damaged parts. Clean the unit and decals using a damp cloth with a mild deter- gent.
S Wipe off unit with a clean dry cloth.
Cleaning the air filter:
A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean or replace air filter after every 5 hours of operation or yearly, whichever comes first.
1.Clean the cover and the area around it to keep debris from falling into the carburetor chamber when the cover is removed.
2.Remove parts as illustrated.
NOTE: Do not clean filter in gasoline or other flammable solvent. Doing so can create a fire hazard or produce harmful evaporative emis- sions.
3.Wash the filter in soap and water.
4.Allow filter to dry.
5.Apply a few drops of oil to the filter; squeeze filter to distribute oil.
6.Replace parts.
REPLACE SPARK PLUG
Replace spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.025 inch. Ignition timing is fixed, nonadjustable.
1.Twist, then pull off spark plug boot.
2.Remove spark plug from cylinder and dis- card.
3.Replace with Champion
4.Reinstall the spark plug boot.