DG Flugzeugbau DG-1000T Maintenance Manual page 60

8. Check the intake air filters of the carburettors for excessive dirt and wear,
wash with pure petroleum spirit and blow compressed air in reverse direction
through the filter. Spray the outside with oil for filters with cotton fabric,
reinstall the filter.
We recommend exchange of the filters every 25 hours. Also new filters must
be sprayed with filter oil.
8.a With the airfilters still removed check visually the screws of the throttle and
choke valves for tight fit.
9. Clean the engine.
10. Check the muffler for cracks and ensure mounting is secure.
11. Check all engine nuts and bolts with a torque wrench (see sect. 1.12.10).
12. Check the rubber engine mounts, especially for cracks. Therefore apply
strong pressure to the engine in forward, backward and sideways direction.
13. Check and grease the starter motor gear shaft (don't grease the starter motor
gear) Check starter motor for tight mounting. There should be no excessive
radial free play of the starter motor gear axle. With too much free play the
starter must be exchanged.
14. Clean the starter ring gear and check for damage. Check if the starter ring
gear was bent forwards by the starter motor.
15. Check the drive belts for wear and correct tension (see sect. 4.10.1). If a
drive belts shows signs of wear the drive belt must be replaced.
16. Clean the spindle drive, function check. Check the connection of the spindle
drive to the powerplant.
17. Check the propeller stopper for wear and function, check especially the
rubber buffer for wear.
18. Check all the hinges on the engine compartment doors for proper fit and any
cracks, tears etc. Check if hinge pins and the engine door spring are secured
properly.
19. Oil all hinge points of the powerplant
20. Check the time taken to extend the power plant. If it takes longer than
described under sect.1.13.2 the gas strut has to be replaced.
Issued: July 2017 TN1000/32
Maintenance Manual DG-1000T
3.7