Troy-Bilt 42012 - Manual (Page 28)

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Section 5: Maintenance
TROUBLE
Auger drive control lever does not
engage auger drive
Auger spins with drive lever disengaged
Wheel drive control lever does not turn
wheels
Wheels turn with wheel drive control lever
disengaged
Snowthrower does not throw snow well
Snowthrower does not clear snow
Snowthrower makes sloping cut in snow
Electric start motor won’t crank engine
POSSIBLE PROBLEM
Broken square key on engine drive
pulley
Broken woodruff key on input shaft
Tension too high on spring at lower
end of auger drive control rod
Tension too low on spring at lower
end of wheel drive control rod
Broken wheel drive chain(s)
Drive disk out of adjustment
Broken or excessively worn wheel
drive belt
Broken square key on engine pulley
Tension too high on spring at lower
end of wheel drive control rod
Drive disk out of adjustment
Discharge chute, impeller or auger
clogged with snow, slush or ice
Snow sticks to auger or chute
Incorrect gear setting
Loose auger drive belt
Skid shoes set too high
Scraper blade adjusted incorrectly
Skid shoes not set at equal height
Scraper blade adjusted incorrectly
Electrical cord unplugged from outlet
Blown fuse or thrown circuit breaker
Faulty electrical cord or plug
Overheated starter
SOLUTION
Replace key
Replace key
Decrease spring tension
Increase spring tension
Replace chain(s)
Re-adjust drive disc
Replace wheel drive belt
Replace key
Decrease spring tension
Adjust drive disc
Stop engine, disconnect spark plug
wire, use a long stick to unclog
chute, auger and/or impeller
Spray auger and chute with silicone
lubricant
When snowthrowing, generally use
faster speeds – use slower
speeds with heavier snow
Adjust auger drive belt
Adjust skid shoes equally until scraper
blade is evenly adjusted 1/8" (3 mm)
above surface being cleared
Adjust scraper blade until blade is
evenly adjusted 1/8" (3 mm) above
surface being cleared
Adjust skid shoes to equal height
Adjust scraper blade ends equally
Plug electrical cord into outlet
Replace fuse or re-set circuit breaker
Replace electrical cord
Allow starter motor to cool before
trying to start engine again
Troubleshooting (continued)