Troubleshooting - Husqvarna DRT900 Operator's Manual

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 or clumps
Engine runs but tiller
won't move
Engine runs but labors
when tilling
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.
2. Wheels & depth stake incorrectly adjusted. 2.
1. Ground too wet.
1. Tine control 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.
CORRECTION
1. Fill fuel tank.
2. See "TO START ENGINE" in the 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
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 and refill with fresh gasoline.
5. Make sure spark plug wire is seated properly on
plug.
1. Set depth stake and wheels for shallower tilling.
2. Clean or eplace 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 and refill 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, muffler area.
4. Remove and clean muffler.
1. Moisten ground or wait for more favorable soil
conditions.
Adjust wheels and depth stake.
1. Wait for more favorable soil conditions.
1. Engage tine control.
2. Inspect/adjust V-belt.
3. Inspect V-belt.
1. Set depth stake for shallower tilling.
2. Check throttle control setting.
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