bpr Rotax 912 i Series, Руководство по обслуживанию, Страница: 257 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d
059
36.
fm
MAINTENANCE MANUAL
BRP-Powertrain
73-10-00
Page 21
July 01/2012
INSPECTION
FUEL DISTRIBUTION
SINGLE PARTS - CHECK
Preparation
- Clean all parts carefully. See also section 05-
00-00 Procedures
FUEL LINE ASSY. - INSPECTION
Fig. 37
FUEL PRESSURE REGULATOR ASSY. -
INSPECTION
NOTE: If the screen is dirty, all the prefilters
must be checked for function and dirt.
Fig. 38
Fig. 39
PRESSURE REGULATOR HOUSING -
INSPECTION
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!
Step Procedure
1 Check the fuel line assy. for cracks, scuff-
ing marks and kinks.
m
WARNUNG
NOTICE
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.
1. Fuel hose assy.
Step Procedure
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.
1. 20x2.5 o-ring 2. 5x2.5 o-ring
3. Screen
Step Procedure
1 Check the sealing surfaces of the O-rings
for striations.
2 Check the recess of the retaining ring for
sharp edges and burrs.