Extra 300/SC - Page 111

CHAPTER 12
PAGE 7
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 1. August 2014
5 Return dipstick into filler spout and tighten finger tight.
6 Unscrew and remove dipstick. Check oil level on dipstick
versus the markings stamped on the dipstick.
7 If replenishment is required see "Replenishment of Engine
Oil" below.
8 Return dipstick into filler spout and tighten cap finger tight.
N O T I C E When tightening the filler spout cap ensure that is se-
cure. But do not overtighten, as this may damage the
"O" ring seal in the cap.
9 Close the hatch on the upper part of the cowling.
Replenish engine oil
Replenish engine oil using oil of the following specifica-
tion:
Aviation Grade Straight Mineral oil
MIL-L-6082 or SAE J1966 Aviation Grade Straight Mineral
oil shall be used to replenish oil supply during the first 25
hours of operation and at the first 25-hour oil change.
Continue to use this grade of oil the first 50 hours of
operation or until oil consumption has stabilized. The
aircraft is delivered from EXTRA-Flugzeugproduktions-
und Vertriebs- GmbH with proper break-in oil (MIL-L-6082
Aviation Grade Straight Mineral oil ).
Ashless Dispersant Oil
MIL-L-22851 or SAE J1899 Ashless Dispersant Oil shall be
used after the first 50 hours of the engine operation.
Additive Oil
If an engine has been operating on straight mineral oil for
several hundred hours, a change to additive oil should be
undertaken with caution. If the engine is in an extremely dirty