Troy-Bilt ZT42 Lawn Mower User Manual


 
6 se c t i O n 2 — iM p O r t a n t sa f e Op e r a t i O n pr a c t i c e s
Check the blade(s) and engine mounting bolts at frequent 5.
intervals for proper tightness. Also, visually inspect blade(s)
for damage (e.g., excessive wear, bent, cracked). Replace


which do not meet the original equipment specifications
may lead to improper performance and compromise

Mower blades are sharp. Wrap the blade or wear gloves, 
and use extra caution when servicing them.
Keep all nuts, bolts, and screws tight to be sure the 7.
equipment is in safe working condition.
Never tamper with the safety interlock system or other 8.
safety devices. Check their proper operation regularly.
After striking a foreign object, stop the engine, disconnect 
the spark plug wire(s) and ground against the engine.
Thoroughly inspect the machine for any damage. Repair
the damage before starting and operating.
Never attempt to make adjustments or repairs to the 
machine while the engine is running.
Grass catcher components and the discharge cover are 
subject to wear and damage which could expose moving
parts or allow objects to be thrown. For safety protection,
frequently check components and replace immediately


original equipment specifications may lead to improper

Do not change the engine governor settings or over-speed 
the engine. The governor controls the maximum safe
operating speed of the engine.
Maintain or replace safety and instruction labels, as 
necessary.

etc. to protect the environment.


this product has an Average Useful Life of seven (7) years,
or 270 hours of operation. At the end of the Average Useful
Life have the machine inspected annually by an authorized
service dealer to ensure that all mechanical and safety
systems are working properly and not worn excessively.
Failure to do so can result in accidents, injuries or death.
Do not modify engine
To avoid serious injury or death, do not modify engine in any
way. Tampering with the governor setting can lead to a runaway
engine and cause it to operate at unsafe speeds. Never tamper
with factory setting of engine governor.
Notice Regarding Emissions
Engines which are certified to comply with California and federal

are certified to operate on regular unleaded gasoline, and
may include the following emission control systems: Engine
Modification (EM) and Three Way Catalyst (TWC) if so equipped.
Spark Arrestor
This machine is equipped with an
internal combustion engine and should not be used
on or near any unimproved forest-covered, brush-

exhaust system is equipped with a spark arrestor
meeting applicable local or state laws (if any).
If a spark arrestor is used, it should be maintained in
effective working order by the operator. In the State of California


Federal laws apply on federal lands.
A spark arrestor for the muffler is available through your
nearest engine authorized service dealer or contact the service
