DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: 
CHAPTERPAGE 528
MAINTENANCE MANUAL STEMME S12
5.4.10 LUBRICATION SYSTEM
(2) - every 50 hours - use of leaded fuel more than 30% of operation
Type and Subject of Inspection
Break-in
Aircraft 100 hr
Engine 100 hr
Engine 200 hr
Engine 600 hr
Annual
Refer to
Section
Sign-o
1. Check condition of oil radiator
and oil tank assemblies.
X X X
7.4.2.1
2. Check oil lines (engine and
turbocharger) and oil drain
line.
X X X
7.4.2.1
3. Check condition and routing of
re protective sleeves.
X X X
7.4.8.2
4. Change oil. Unbolt oil cool-
er and rotate upward before
draining old oil. Check drains
plugs of oil tank and crankcase
for metal particles or foreign
matter.
X
X
(2)
7.4.2.3
5. Check and clean oil tank. Rell
oil tank with approx 3 ltr oil.
X
X
(2)
7.4.2.3
6. Remove old oil lter from the
engine. Install a new oil lter.
X
X
(2)
X
7.4.2.4
7. Cut old oil lter without pro-
ducing any metal chips and
inspect the following compo-
nents for wear and/or missing
materials:
Filter mat
Findings:
Filter Cover:
Findings:
Sealing lip (wear, cracks miss-
ing materials):
Findings:
Spring of bypass valve (small):
Findings:
Positioning spring (large):
Findings:
X
X
(2)
7.4.2.4