Troy-Bilt 1900678 - Manual (Page 37)

SECTION 6
TV'oubleshooting
The following are easy owner checks. If your mower still does not operate properly after you investigate
the possible causes described below, call or write the Garden Way Technical Service Department.
Our mower experts can help you with more complicated troubieshooting of your machine.
n CAUTION: To avoid personal injury, stop
the engine, disconnect the spark plug wire,
keep the wire away from the spark plug, and allow
the engine and muffler to cool before inspecting
or servicing the engine or mower.
PROBLEMS POSSIBLE CAUSE CORRECTIONS
Engine Does Not Start 1. Spark plug wire is not attached. 1. Attach spark plug wire.
(All Engines): 2. Fuel tank is empty 2. Fill fuel tank with gasoline.
3. Throttle lever not in CHOKE
position.
3. Move throttle lever to CHOKE.
4. Spark plug fouled or gap
incorrect.
4. Clean, adjust or replace plug.
See engine owner’s pamphlet.
(Electric Start Engines): 5. Battery weak due to low
electrolyte level.
5. if electrolyte level is low, add
distilled water and recharge
battery by starting engine with
recoil starter. See Section 5 for
starting procedure.
6. Loose or dirty electrical
connections.
6. Check and tighten connections.
Engine Starts Hard or 1. Dirt, water, or stale fuel in the 1. Drain gas, clean fuel tank and
Loses Power fuel tank. refill with fuel.
2. Air cleaner is dirty. 2. Clean air cleaner — see engine
owner’s pamphlet.
3. Spark plug fouled or gap
incorrect.
3. Clean, adjust or replace plug.
See engine owner’s pamphlet.
Engine Idles Poorly 1. Air cleaner is dirty. 1. Clean air cleaner — see
engine owner’s pamphlet.
2. Air slots in shroud are clogged. 2. Remove any obstructions.
3. Cooling fins and air passages
under engine housing
are plugged.
3. Remove any obstructions.
Engine Overheats 1. Cooling air flow restricted. 1. Remove any obstructions from
slots in shroud, blower housing,
air passages, and cooling fins.
2. Oil level in crankcase is low. 2. Add oil to engine crankcase.
Mower Vibrates Abnormally 1. Blade bolt is loose. 1. Tighten blade bolt securely.
2. Blade is unbalanced. 2. Sharpen blade and check balance.
Replace blade if it cannot be
properly balanced.
3. Blade spindle is bent. 3. Replace spindle (contact Garden
Way Technical Service
Department.)
4. Loose nuts and bolts, especially
engine mounting bolts.
4. Check and tighten nuts and bolts.
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