19
TROUBLESHOOTING POINTS
Will not start
1
Out of fuel.
1 Fill fuel tank.
2
Fuel valve “OFF”
2 Turn fuel valve to the “ON” position.
3
Engine Switch “OFF”
3 Turn engine switch to the “ON” position.
4
Engine not “CHOKED” properly.
4 See “TO START ENGINE” in Operation section.
5
Engine flooded.
5 Wait several minutes before attempting to start.
6
Bad spark plug or improper gap.
6 Replace spark plug or adjust gap.
7
Dirty air filter.
7 Clean/replace air filter.
8
Water in fuel.
8 Empty fuel tank and carburetor, refill tank with fresh gasoline.
Hard to start
1
Throttle control not set properly.
1 See “To Start Engine” in Operations section.
2
Dirty air filter.
2 Clean/replace air filter.
3
Bad spark plug or improper gap.
3 Replace spark plug or adjust gap.
4
Stale or dirty fuel.
4 Empty fuel tank and refill tank with fresh, clean gasoline.
5
Loose spark plug wire.
5 Make sure spark plug wire is seated properly.
Loss of power
1
Engine is overloaded
1 Set depth stake and wheels for shallower tilling.
2
Dirty air cleaner
2 Clean/replace air filter.
3
Low oil level/dirty oil.
3 Check oil level/change oil.
4
Faulty spark plug.
4 Clean and regap or change spark plug.
5
Oil in fuel
5 Empty and clean fuel tank and refill, and clean carburetor.
6
Stale or dirty fuel.
6 Empty fuel tank and refill tank with fresh, clean gasoline.
7
Water in fuel.
7 Empty fuel tank and carburetor, refill tank with fresh gasoline.
8
Clogged fuel tank.
8 Remove fuel tank and clean.
9
Spark plug wire loose.
9 Connect and tighten spark plug wire.
10 Dirty engine air screen.
10 Clean engine air screen.
11 Dirty/clogged muffler.
11 Clean/replace muffler.
12 Poor Compression
12 Contact a qualified service center.
Engine overheats
1
Low oil level/dirty oil.
1 Check oil level/change oil.
2
Dirty engine air screen.
2 Clean engine air screen.
3
Dirty engine.
3 Clean cylinder fins, airscreen, muffler area
4
Partially plugged muffler
4 Remove and clean muffler.
Excessive bounce/
difficult handling
1
Ground too dry and hard.
1 Moisten ground or wait for more favorable soil conditions
2
Wheels and depth stake incorrectly adjusted. 2 Adjust wheels and depth stake.
Soil balls up or clumps
1
Ground too wet.
1 Wait for more favorable conditions.
Engine runs but tiller
won’t move
1
Tine control is not engaged.
1 Engage tine control
2
V-belt not correctly adjusted.
2 Inspect/adjust V-belt.
3
V-belt is off pulley (s).
3 Inspect V-belt.
Engine runs but labors
when tilling
1
Tilling too deep.
1 Set depth stake for shallower tilling
2
Throttle control not properly adjusted.
2 Check throttle control setting.
Summary of Contents for Pro PRRT900
Page 20: ...20 SERVICE NOTES...
