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Part No 891203 Form No FF060911D
7
KV Push Owner’s Manual
MAINTENANCE
P
ERIODIC MAINTENANCE
Periodic maintenance should be performed at the following intervals:
Maintenance Operation Every Use (daily) Every 5 hrs (daily) Every 25 Hours
Inspect for loose, worn or damaged parts.
z
Clean Debris bag
z
Check bag strap tightness
z
Engine (See Engine Manual)
Check for excessive vibration
z
Troubleshooting
Problem Possible Cause Solution
Abnormal vibration. · Loose or out of balance impeller or
loose engine
· Check im peller and replace if required.
Check engine
W ill not vacuum or has poor
vacuum performance
· dirty debris bag. Hose kit cap missing.
·Clogged nozzle or exhaust. Excessive
quantity of debris.
· Improper nozzle height
· Clean debris bag. Shake bag clean or
wash. Check for hose kit cap. Unclog
nozzle or exhaust. Allow air to feed with
debris
Engine will not start. · Stop switch off. Throttle in off position.
Engine not in full choke position. Out of
gasoline. Bad or old gasoline.
Sparkplug wire disconnected. Dirty air
cleaner
· Check stop switches, throttle, choke
position and gasoline. Connect spark
plug wire. Clean or replace air filter. Or
contact a qualified service person.
Engine is locked, will not
pull over.
· Debris locked in impeller. Engine
problem.
· See page 5. Contact a engine service
dealer for engine problems
Nozzle scrapes ground in
lowest height setting.
Nozzle height out of adjustment
Adjust nozzle height (See Nozzle
height fine adjustment for hard surfaces
on page 5
Too much dust coming from
bag.
· Vacuuming very dry, brittle or small
debris
· Switch to felt bag (see page 1
accessories)
IMPELLER REMOVAL
1. Wait for engine to cool and disconnect spark plug.
2. Drain fuel and oil from the engine.
3. Remove bag, quick release, and upper handle. Do not kink, stretch, or break control cables, control
housings, or end fittings while removing handles.
4. Remove housing top plate by removing bolts around outside of housing.
5. Leaving engine fastened to top plate, turn it upside down so the impeller is on top.
6. Remove impeller bolt and lock washer and washer.
7. Lift impeller upward. If impeller slides freely, proceed to (step 10).
8. Place two crowbars between impeller and housing on opposite sides. Pry impeller away from engine until it
loosens. Using a penetrating oil can help loosen a stuck impeller.
9. If the impeller does not loosen, use two pry bars and pull the impeller near the hub away from the engine,
this should loosen it and allow you to remove the impeller from shaft. Using a penetrating oil can help loosen a
stuck impeller.
10. Using a new impeller bolt and lockwasher and washer, reinstall new impeller in reverse order.
11. Tighten impeller bolt. Torque impeller bolt to 33-38 Ft. Lbs. (44-51 N.m) (see item 30 on page 15).
12. Reinstall engine onto housing in reverse order of removal.
13. Gas and oil.
14. Reinstall spark plug wire.