Chicago Electric 66603 Set Up, Operating, And Servicing Instructions page 17

3. NoTE: If the Engine will be run in temperatures above 32 degrees Fahrenheit, use sAE
30 weight oil. If the Engine will be run in temperatures below 32 degrees Fahrenheit, use
sAE 5w-30 weight oil.
4. To add engine oil, unscrew and remove the Oil Dipstick (65A). Pour engine oil into the
oil fill hole until the level of oil is even with the bottom edge of the oil fill hole (if you can-
not see the oil through the oil fill hole, then the oil is too low and more oil must be added).
Then, make sure to screw the Oil Dipstick back into its Dipstick Hole. (see Figure G.)
5. After every 25 hours of use:
Separator (20A). (see Figure h.)
AIR clEANER sEpARAToR (20A)
AIR clEANER covER (18A)
6. To do so, remove the Air Cleaner Cover (18A). Remove the Air Cleaner Element (19A).
Immerse the Air Cleaner Element in a mild solvent and squeeze the Element several times
to clean. Remove the Element from the solvent and squeeze thoroughly to dry. Then,
squirt several drops of a light weight oil into the Element and squeeze the Element so oil
reaches all parts of the Element. (see Figure h.)
7. Use compressed air to clean the Air Element Separator (20A). Then replace the Air
Element Separator, Air Cleaner Element, and Air Cleaner Cover (18A).
(see Figure h.)
8. Clean more often under dusty conditions or when airborne debris is present. Replace Air
Cleaner parts if necessary. (see Figure h.)
9. After every 100 hours of use:
0.028" - 0.031"
10. To do so, use a 13/16" spark plug wrench (not included) to remove the Spark Plug.
SKU 66603 For technical questions, please call 1-800-444-3353.
Service the Air Cleaner Element (19A) and Air Cleaner
Clean and re-gap the Spark Plug (28A). (see Figure I.)
spARK plUG (28A)
FIGURE I
FIGURE h
AIR clEANER ElEMENT (19A)
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