17
SECTION 12: TROUBLE-SHOOTING GUIDE
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Engine fails to start
1. Blade control handle disengaged
2. Spark plug wire disconnected
3. Throttle control lever not in fast position
4. Fuel tank empty, or stale fuel
5. Blocked fuel line
6. Faulty spark plug
7. Engine flooded
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Move throttle lever to fast position.
4. Fill tank with fresh, clean fuel.
5. Clean fuel line.
6. Clean, adjust gap or replace.
7. Crank engine with throttle in slow
position.
Engine runs erratic
1. Spark plug wire loose
2. Blocked fuel line or stale fuel
3. Vent in gas cap plugged
4. Water or dirt in fuel system
5. Dirty air cleaner
1. Connect and tighten spark plug wire.
2. Clean fuel line, fill tank with clean, fresh
gasoline.
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Clean air cleaner. Refer to engine
manual.
Engine overheats
1. Engine oil level low
2. Air flow restricted
1. Fill crankcase with proper oil.
2. Clean lawn mower engine.
Occasional skip
(hesitates) at high
speed
1. Spark plug gap too close
1. Adjust gap to .030 inches.
Idles poorly
1. Spark plug fouled, faulty, or gap too wide
2. Dirty air cleaner
1. Reset gap to .030 inches or replace
spark plug.
2. Clean air cleaner .
Excessive vibration
1. Cutting blade loose or unbalanced
2. Bent cutting blade
3. Bent engine crankshaft
1. Tighten blade and adapter, balance
blade.
2. Replace blade.
3. Contact your nearest White dealer
Mower will not
mulch grass
1. Engine speed too low
2. Wet grass
3. Excessively high grass
4. Dull blade
1. Move throttle lever to FAST position.
2. Wait until later to cut.
3. Mow once at a high cutting height, then
mow again at desired height. Make a
narrower cutting swath (1/2) width. Do
not cut off more than 1/3 of the total
length.
4. Sharpen or replace blade.
Uneven cut
1. Wheels not in same height position
2. Dull blade
1. Place all four wheels in same relative
height position.
2. Sharpen or replace blade.
For repairs beyond the minor adjustments listed above,
please contact your nearest White Outdoor Products dealer.
Содержание HW-615
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