DG Flugzeugbau DG-800A, Руководство по обслуживанию, Страница: 61 / 163

Maintenance Manual DG-808C
Issued: May 2017 TN800/41 3.11
3.5.2 Every 3 years
Section not effective (Exchange the coolant only every 6 years together
with the coolant hoses, see sect. 3.5.5).
3.5.3 After 50 resp. 100 engine hours
Without optional BBSA friction/centrifugal clutch: The drive belt has to be
exchanged after 50 engine hours.
With optional BBSA friction/centrifugal clutch: The drive belt has to be
exchanged after 100 engine hours
3.5.4 After 400 engine hours
After 400 engine hours the power plant must undergo a major overhaul.
Apart from the items listed in section 3.5.1, the following items also need
to be done:
1. Remove the power plant and remove the engine from the powerplant.
Ship the engine to the manufacturer or an aircraft engine maintenance
workshop approved by the manufacturer and by the authorities.
2. Replace all the nuts and bolts on the engine
3.
Replace the drive belt
4. Replace the bearings of the upper drive belt pulley.
3.5.5 After 6 years
1. Replace the gasket of the drainer valve.
2. Replace all coolant hoses and the coolant, see section 4.16.
3.5.6 When required
1. If the fuel tank is excessively dirty or when the fuel gauge gives false
indications, a thorough flushing of the fuel tank is required
(see sections 1.13.2 and 1.13.6).
2. If the engine should run rough between idle and full throttle even after all
the points in sect. 3.5.1. are OK, then it is possible that the membranes in
the carburettors have hardened. They should then be replaced.
3. After sudden power loss at full throttle: Check pistons and cylinders for
seizing marks, see sect. 3.5.1 item 12.
4. The fuel hoses have no life time restrictions but must be exchanged on
condition.