Trou Ble Shoot Ing - Husqvarna CRT900 Manuel De L'opérateur

TROUBLESHOOTING POINTS
PROBLEM
Will not start
Hard to start
Loss of power
10. Dirty engine air screen.
11. Dirty/clogged muffler.
12. Poor compression.
Engine overheats
Excessive bounce /
difficult handling
Soil balls up / clumps
Engine runs but
tiller won't move
Engine runs but
labors when tilling
Tines will not rotate
Hard to shift into gear
Tiller shuts off when
drive control bar
engaged
CAUSE
1. Out of fuel.
2. Engine not "CHOKED" properly.
3. Engine flooded.
4. Dirty air cleaner.
5. Water in fuel.
6. Clogged fuel tank.
7. Loose spark plug wire.
8. Bad spark plug or improper gap.
1. Throttle control not set properly.
2. Dirty air cleaner.
3. Bad spark plug or improper gap.
4. Stale or dirty fuel.
5. Loose spark plug wire.
1. Engine is overloaded.
2. Dirty air cleaner.
3. Low oil level/dirty oil.
4. Faulty spark plug.
5. Oil in fuel.
6. Stale or dirty fuel.
7. Water in fuel.
8. Clogged fuel tank.
9. Spark plug wire loose.
1. Low oil level/dirty oil.
2. Dirty engine air screen.
3. Dirty engine.
4. Partially plugged muffler.
1. Ground too dry and hard.
1. Ground too wet.
1. Drive control bar is not engaged.
2. V-belt not correctly adjusted.
3. V-belt is off pulley(s).
1. Tilling too deep.
2. Throttle control not properly adjusted.
1. Shear pin(s) broken.
1. Gears not timed.
1. Shift lever set in between counter rotating till
position and forward rotating till position.
2. Tines jammed.
CORRECTION
1. Fill fuel tank.
2. See "TO START ENGINE" in Operation section.
3. Wait several minutes before attempting to start.
4. Clean or replace air cleaner cartridge.
5. Empty fuel tank and carburetor, and refill tank
with fresh gasoline.
6. Remove fuel tank and clean.
7. Make sure spark plug wire is seated properly on
spark plug.
8. Replace spark plug or adjust gap.
1. Place throttle control in "FAST" position.
2. Clean or replace air cleaner cartridge.
3. Replace spark plug or adjust gap.
4. Empty fuel tank; refill tank with fresh, clean gasoline.
5. Make sure spark plug wire is seated properly on
spark plug.
1. Set depth stake for shallower tilling.
2. Clean or replace air cleaner cartridge.
3. Check oil level/change oil.
4. Clean and regap or change spark plug.
5. Empty and clean fuel tank and refill, and clean
carburetor.
6. Empty fuel tank; refill fuel tank with fresh gasoline.
7. Empty fuel tank and carburetor, and refill tank with
fresh gasoline.
8. Remove fuel tank and clean.
9. Connect and tighten spark plug wire.
10. Clean engine air screen.
11. Clean/replace muffler.
12. Contact an authorized service center/department.
1. Check oil level/change oil.
2. Clean engine air screen.
3. Clean cylinder fins, air screen, and muffler area.
4. Remove and clean muffler.
1. Moisten ground or wait for more favorable soil
conditions.
1. Wait for more favorable soil conditions.
1. Engage drive control.
2. Inspect/adjust V-belt.
3. Inspect V-belt.
1. Set depth stake for shallower tilling.
2. Check throttle control setting.
1. Replace shear pin(s).
1. Briefly engage drive control bar and release or rock
tiller forward and back ward until are able to shift
gears.
1. Shift to either counter rotating till position
or forward rotating till position.
2. Clear tines.
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