Rotax 912 Series Maintenance Manual page 98

14
17
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
— Visually inspect dog gear { and dog hub } or pitting on gear teeth and/
or ramps q. Ensure that ramp tops of dog gear are clearing valley of
dog hub. Check gap r between ramp top and valley, see para 15.
Slight wear and pitting on the dogs is permissible.
— Inspect teeth of drive gear w for wear and damage.
— Inspect eccenter for fuel pump and pump plunger for wear, see para
13.1.5.
— Check step collar for wear.
— Measure thickness of plastic thrust washer r, between dog gear {
and drive gear e, see dim. t in para 15.
— Check length of dog gear bush t (of hardened steel) for wear.
— Visually check ring halves y for damage and wear, renew as required.
— Check the disk springs u. At visible wear of disk springs in the contact
area i they have to be renewed. Check dimension y of the released
disk spring. See para 15.
dimensions
See Dimension Sheets in para 15.
11
fig. 153 15
16
00269
13
{
Maß/dim.
r
00268
}
fig. 152
new mm (in.)
20
20
18
wear limit mm (in.)
y
19
41 ø
80 ø
fig. 154
00271
page 98
Initial issue, Jan. 01/2002