78-00-00
page 14
July 01/2008
Effectivity 914 Series
Edition 1 / Rev. 2
d04356
BRP-Rotax
Maintenance Manual
■
CAUTION: On older engine versions, also observe SB-914-005,
“Introduction of a turbo charger with a modified
wastegate“, latest issue.
e) Axial- and Radial- clearance charger shaft
See Fig. 78-8
Record the readings in the appendix.
08465
Fig. 78-8
08466
TC02
TC01
f) Testing the impeller shaft
See Fig. 78-9
The bearings are tested by means of the pressure drop measuring
method.
■
CAUTION: For this test, compressed air at approx. 2 bar (29 p.s.i)
and a testing device are needed.
Consisting of:
2
pressure gauges
1
orifice jet (inner diameter = 1 mm (.039 in.) / length = 3 mm
(.12 in.)
1
connecting nipple M12x1.5
for the thread in the middle section of the turbocharger
1
cover plate for the oil outlet
n.B. connecting hoses
Procedure:
Screw in the connecting nipple and close the oil outlet with the cover
plate.
Connect the pressure gauges together with the regulating valves.
Summary of Contents for MMH-912 Series
Page 463: ......
