STEMME S12, Maintenance Manual

Page: 184 / 290

DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: --
CHAPTER- PAGE 7-26
MAINTENANCE MANUAL STEMME S12
See »Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914 Series«,
section »12-20-00«, (Annex E).
• Check condition, attachment and routing (clearance from hot surfaces) of drain lines
from carburetor drip tray and airbox to outlets above lower cowl flap.
7.4.7 ENGINE CONTROLS / MONITORING
System description: See section »3.4.7«
ADJUSTMENT OF CARBURETORS
See »Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914 Series«,
section 12-20-00, (Annex E).
CHECK OF THROTTLE ASSY.
• Check throttle lever in cockpit for condition, smooth operation and stops (115%, 100%, idle).
Adjust friction of throttle lever brake via knurled knob LH side of lever assy.
• Check condition of bowden-cable and spring on both carburetors. With throttle lever at
115%, spring on both carburetors must maintain slight tension.
• Check stop positions of 115% and idle via corresponding positions of both carburetor throttle
valve levers.
CHECK OF THROTTLE LEVER STOPS
• Adjust throttle lever to forward stop (end of gate): throttle valve lever on both carburetors
must reach 115% stop.
• Adjust throttle lever to aft idle stop: throttle valve lever on both carburetors must reach
screw stop for idle.
CHECK OF THROTTLE VALVE POSITIONS BY MEANS OF TCU COMMUNICATION PROGRAM
Perform this check by means of the TCU communication program. Usage is described »Mainte-
nance Manual (Heavy Maintenance) for ROTAX Engine Types 912 and 914 Series«.
See »Maintenance Manual (Heavy Maintenance) for ROTAX Engine Types 912 and 914 Series«,
section 76-00.
CHECK OF CHOKE ASSY.
• Check condition and smooth operation of choke lever. Adjust friction of choke lever brake
via knurled knob RH side of lever assy.
• Check condition of bowden-cable and spring on both carburetors.
• Check reaching end stops of carburetor choke lever with forward and aft choke lever
positions in cockpit.