Cub Cadet CC924HT Operator's Manual page 11

WARNING
Improper element cleaning can result in
engine damage.Do not use compressed air
to clean or dry element. Never use gasoline.
Do not operate engine with air filter parts
removed.
SPARK PLUG
After every 50 operating hours, take out the
spark plug and check its condition.
1. Switch off the engine and allow it to cool
down.
2. Grasp the plug wire firmly and pull the plug
cap from the spark plug.
3. Wipe off dust or dirt around spark plug.
4. Unscrew spark plug in counterclockwise
direction with the attached spark plug
wrench.
5. Brush off carbon deposits.
Spark Plug Wrench
6. Check and adjust spark plug gap to 0.6-0.7mm.
7. Screw in the spark plug and tighten to a torque
of 14-17 N M. Do not over tighten.
8. Re-attach the spark plug cap.
Washing
Drying
Engine Oil
Squeezing
9. If spark plug is damaged or the unit still
cannot work well after cleaning, replace with a
new one.
10. To ensure the machine work well Please use
the specified plug.
0.6-0.7MM
MUFFLER
Spark Arrester Service
Every 50 hours of operation
1. Remove the spark arrester from the exhaust
hole of muffler.
2. Clean deposits from the spark arrester screen
by brushing it.
3. Install the spark arrester.
Carbon Removal of Engine Internal Parts
Every 50 hours of operation or found strikingly
low engine high-speed and rule out other causes
you need to clean up the engine internal carbon
deposition.
These items must be performed with proper
tools. please do it with the assistance of
professionals or authorized dealer.
GEAR CASE
1. Refill the grease into the gearbox every 25
hours operation;
2. Use the grease pump and inject the grease
30g until it comes out of the gearbox.
3. Inject through grease nipple or grease screw.
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Spark Arrester