Measuring The Compression Pressure; Normal Color Should Be - Cub Cadet Challenger Series Service Manual

Maintenance and Adjustment of the UV
Check the electrode (1) for
•
carbon deposits or a burned
condition

Normal color should be

(Light to medium Tan).
If incorrect, replace
If Spark plug is dirty or worn replace
it.
Apply a light amount of Anti-seize to
the threads and reinstall the spark
plug.
Spark Plug torque
18 Nm -20 Nm (1.8 m · kg, 13 ft lbs)
Reinstall the spark plug cap.
Lower the cargo bed.
Periodic Maintenance

Measuring the compression Pressure

Note:
Insufficient compression pressure will
result in a loss of performance.
Note:
When cranking the engine, ground the
spark plug lead to prevent sparking.
3‐7
1. Start the engine and let it warm up
for several minutes.
2. Stop the engine and remove the
sparkplug.
3. Assemble the compression pressure
tester ① and adapter② screw into
the spark plughole.
4. Crank over the engine with the
electric starter (be sure the battery is
fully charged) with the throttle wide-
open until the compression
the gauge stabilizes.
5. Read the highest Data on the
Compression tester.
reading on