Troubleshooting - Poulan Pro HDF900 Operator's Manual

TROUBLESHOOTING POINTS
Will not start
Hard to start
Loss of power
10
11
12
Engine overheats
Excessive bounce/
difficult handling
Soil balls up or clumps
Engine runs but tiller
won't move
Engine runs but labors
when tilling
1 Out of fuel.
2 Fuel valve "OFF"
3 Engine Switch "OFF"
4 Engine not "CHOKED" properly.
5 Engine flooded.
6 Bad spark plug or improper gap.
7 Dirty air filter.
8 Water in fuel.
1 Throttle control not set properly.
2 Dirty air filter.
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.
Dirty engine air screen.
Dirty/clogged muffler.
Poor Compression
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 and depth stake incorrectly adjusted.
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.
1 Fill fuel tank.
2 Turn fuel valve to the "ON" position.
3 Turn engine switch to the "ON" position.
4 See "TO START ENGINE" in Operation section.
5 Wait several minutes before attempting to start.
6 Replace spark plug or adjust gap.
7 Clean/replace air filter.
8 Empty fuel tank and carburetor, refill tank with fresh gasoline.
1 See "To Start Engine" in Operations section.
2 Clean/replace air filter.
3 Replace spark plug or adjust gap.
4 Empty fuel tank and refill tank with fresh, clean gasoline.
5 Make sure spark plug wire is seated properly.
1 Set depth stake and wheels for shallower tilling.
2 Clean/replace air filter.
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 tank with fresh, clean gasoline.
7 Empty fuel tank and carburetor, 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 a Sears or other qualified service center.
1 Check oil level/change oil.
2 Clean engine air screen.
3 Clean cylinder fins, airscreen, muffler area
4 Remove and clean muffler.
1 Moisten ground or wait for more favorable soil conditions
2 Adjust wheels and depth stake.
1 Wait for more favorable 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.
17