DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: 
CHAPTERPAGE 517
MAINTENANCE MANUAL STEMME S12
5.3.7 OTHER PARTICULARS OF MAINTENANCE
• Clean all screws and nuts before reinstalling the fasteners if not to be replaced. Inspect
seats and thread of fasteners and screw connections upon removal for good condition or
damage before re-use. Replace damaged, cross-threaded or corroded hardware.
• Self-locking nuts, once loosened or removed, must be replaced.
• Comply with torque values listed in relevant sections of this AMM, e.g. for the airframe,
section 6.8. For the STEMME-ROTAX 914 F2/S1 engine refer to torque values in the Mainte-
nance Manual (Line Maintenance) for ROTAX Engine Type 914 Series (Annex E to this AMM)
and Maintenance Manual (Heavy Maintenance) for ROTAX Engine Types 912 and 914 Series.
•
Clean or replace all lters, gaskets, lock washers, O-rings, and shaft seals before reassembly
or re-installation and as required by Maintenance Check List.
• Electrical wire condition is critical to ight safety. Check the condition of electrical wires
by inspecting for chang, decay of the insulation, wearing or corrosion of terminals and
conductor connections to terminals. In case of a deciency, replace or repair the decient
wire and terminal. Any discrepancies must be found and corrected before further ight.
Also refer, e.g. to FAA AC 43.13-1B, Chapter 11, §6.
• Condition of exible hoses is critical to ight safety. Always check the condition of exible
hoses by examining for chang, leakage, cracking, signs of decay from thermal or chemi-
cal eects, hardening and damage or defects at hose connections. Always look for cracks
at the clamps and conrm that all hose connections are securely installed. If defects or
deterioration are found, replace the hose, hoses of like kind and age, and the clamps. Then
identify and correct the cause of the defect before further ight. Also refer, e.g., to FAA AC
43.13-1B, Chapter 8, §2, Chapter 9, §2 and associated table.
WARNING
Prior to any maintenance work switch OFF Master Switch and Ignition!
STEMME recommends that you always disconnect the batteries and ground the aircraft to prevent
short circuits or arcing during maintenance work.
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