DG Flugzeugbau DG-800A, Руководство по обслуживанию, Страница: 55 / 163

Maintenance Manual DG-808C
Issued: May 2012 TN800/41 3.5
3.5 Servicing the Engine
Caution: If you don't operate the engine for periods longer than 2 months you
must preserve your engine according to the instructions in the engine manual.
The same applies for any overseas transportation.
Caution: With an optional BBSA slipping-centrifugal clutch installed to the
engine refer to Solo technical note No. 4600-2-2 attached to this manual for
servicing the clutch.
3.5.1 25 hour inspection
Note: The engine time until the next maintenance is displayed on the DEI-NT
operating time screen. After completion of the 25 hour inspection reset this time
to zero, see section 4.23.
The following checks and maintenance work should be done every 25 hours
engine time.
Items 1, 7, 8, 10, 13 and 26 should be executed at least 1 year after the last 25
hour inspection, preferably with the annual inspection.
Checklists for this maintenance work are in the enclosures of this manual. Please
complete the checklist when executing the inspection and file it in the aircraft
log.
1. Remove the engine bay doors, general visual inspection.
2. Change spark plugs. Check if the spark plug connectors have a tight fit on
the spark plugs after you have exchanged the spark plugs. If not, the
connector must be replaced.
3. Exchange the fuel filter. Use only a transparent filters, type see section 8.1.
Assembly see diagram 11c.
4. Measure fuel flow (see sect. 1.13.3). Disconnect the hose at the T-junction
behind the rear carburettor. Hold the hose into a measuring container. Switch
on the electric fuel pump with the ignition switch. Determine the time for
supplying 1 litre of fuel. For the measurement a minimum of 10 l of fuel
should be in the fuselage tank. Note down the value, max. time is 90 seconds
for 1 litre.