Rotax 912 i Series Maintenance Manual page 253

INSPECTION
FUEL DISTRIBUTION
SINGLE PARTS - CHECK
Preparation
- Clean all parts carefully. See also section 05-
00-00 Procedures
FUEL LINE ASSY. - INSPECTION
Step
1 Check the fuel line assy. for cracks, scuff-
ing marks and kinks.
NOTICE
WARNUNG
Cracks in the fuel distribution system, its com-
ponents and hoses are not permissible!
If in doubt, check the affected parts for cracks
with a dye penetrant method.
Fig. 37
1. Fuel hose assy.
FUEL PRESSURE REGULATOR ASSY. -
INSPECTION
Step
1 Check all the O-rings.
NOTE: If an o-ring is damaged, the en-
tire fuel pressure regulator must
be replaced. O-rings are not
available as spare parts.
2 Check the screen for dirt.
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
Procedure
NOTE: If the screen is dirty, all the prefilters
must be checked for function and dirt.
Fig. 38
Fig. 39
1. 20x2.5 o-ring
3. Screen
PRESSURE REGULATOR HOUSING -
INSPECTION
Step
1 Check the sealing surfaces of the O-rings
for striations.
2 Check the recess of the retaining ring for
sharp edges and burrs.
NOTE: The depressions must not have sharp
edges!
Sharp edges can be carefully reworked
with a sharpening stone.
The roughness depth of the flat surfaces
must not be changed!
2. 5x2.5 o-ring
Procedure
73-10-00
Page 21
July 01/2012