DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE:
CHAPTERPAGE 742
MAINTENANCE MANUAL STEMME S12
BRAKE FLUID
To check brake uid level, remove the top of the brake cylinder. If required rell through the bleed
valves on the brake calipers (refer to 7.5.1.5).
WARNING
A rapid reduction of the brake uid level indicates leakage of the system and must be investigated
and eliminated before the aircraft returns to service.
• Check brake eciency prior of return to service.
• Change brake uid every scheduled inspection 100h airframe (200 engine hours) at the
latest after 2 years (refer to 7.5.1.5.
SPECIFICATION OF BRAKE FLUID: DOT 4
7.5.1.2 FUNCTIONAL TEST OF THE RETRACTABLE LANDING GEAR
Support the aircraft (clearance between the main wheels and the ground must be approximately
0.1 m / 3.9 in), remove upper cowling of the center fuselage.
CHECKING PROCEDURE:
• Inspect screw joints (torque paint).
• Check wheels for smooth turning.
• Joint heads of the over-center struts should not be jammed.
• The articulations of the spindles and the over-center strut must have play.
• Installation of the landing gear emergency release system without kinks/interference.
•
Landing gear stop switches on the over-center struts: check for halfway position and proper
functioning, inspect wiring / connection.
• Retraction of left landing gear leg:
- Check if the landing gear contacts surrounding components.
- Brake hose must have regular bends, must not jam.
- Check of stop switch adjustment: 2 – 5 mm / 0.08 to 0.2 in clearance between the landing
gear leg and the shaft housing.
- The stop switch must be positioned in the middle of the landing gear strut.
- Joint heads of the over-center strut must not be jammed.
- Articulation between the spindle and the over-center strut must not jam.
•
Extension of left landing gear leg: Check if over-center strut returns to its correct
over-center-locked position, if necessary adjust the switch.
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