Rotax 914 F Maintenance Manual page 264

Designation
Cylinder head 3 (continued)
rocker arm bore S ................................ 12,000 ÷ 12,027
rocker arm shaft ................................... 11,983 ÷ 11,994
rocker arm, radial clearance .................... 0,006 ÷ 0,035
depth of wear on contact face of valve stem . 0
free length, inner spring A .................... 35,0
A .......................................................... 37,0
spring rate, inner spring ........................ 13,25
spring rate, outer spring ........................ 33,25
Cylinder head 4
wear on valve seat .................................. 0
valve guide bore o ................................. 7,006 ÷ 7,018
valve stem p ......................................... 6,965 ÷ 6,98
stem clearance ....................................... 0,026 ÷ 0,053
sealing face width, inlet valve [ ............ 1,40 ÷ 2,00
sealing face width, exhaust valve [ ...... 1,50 ÷ 1,90
out-of-true on valve head ] .................... 0,00 ÷ 0,01
rocker arm bore S ................................ 12,000 ÷ 12,027
rocker arm shaft ................................... 11,983 ÷ 11,994
rocker arm, radial clearance .................... 0,006 ÷ 0,035
depth of wear on contact face of valve stem . 0
free length, inner spring A .................... 35,0
A .......................................................... 37,0
spring rate, inner spring ........................ 13,25
spring rate, outer spring ........................ 33,25
Propeller gearbox
wear depth on dogs ...................................
clearance dog ramp to valley r ............. 0,80 ÷ 1,20
thickness of thrust washer t ................. 1,075 ÷ 1,325
length of bearing sleeve, dog gear ........ 29,6
axial clearance of propeller shaft ............ 0,02 ÷ 0,07
propeller shaft ø 35 mm } ................... 35,009 ÷ 35,02
propeller shaft ø 31,5 mm q ................ 31,491 ÷ 31,48
propeller shaft, internal dia. e .............. 11,00 ÷ 11,02
oil inlet flange, journal dia. e ................ 10,935 ÷ 10,96
radial clearance ...................................... 0,04 ÷ 0,085
prop. flange, axial out-of-true ø 122 w .... 0,00 ÷ 0,05
dog clearance r ..................................... 1,00 ÷ 1,20
disk spring, free length y ....................... 5,20 ÷ 5,40
gear backlash i .................................... 0,07 ÷ 0,15
Crankshaft
out-of-round, magneto side Q ................ 0,00 ÷ 0,03
out-of-round, p.t.o. side W ...................... 0,00 ÷ 0,03
bearing,magneto side R ....................... 31,99 ÷ 32,00
ignition housing E ................................ 32,02 ÷ 32,03
radial clearance, magneto side ............... 0,02 ÷ 0,04
bearing, p.t.o. side u ........................... 27,99 ÷ 28,00
gearbox cover { .................................. 28,02 ÷ 28,03
radial clearance, p.t.o. side ..................... 0,02 ÷ 0,04
Date
Page
1997 02 01
264
mm
N/mm
N/mm
N/mm
N/mm
÷
÷ 29,8
Main
914 F
new
(in.)
(0,472 ÷0,4735) ......... 12,09 (0,476) ........................
(0,471 ÷0,472) .......... 11,95 (0,470) ........................
(0,0002÷0,001) ............ 0,10 (0,004) ........................
.................... 0,25 (0,01) ..........................
(1,378) 34,0 ................ (1,338) free length, outer spring
(1,457) 36,0 ................ (1,417)
......................
......................
........... max. 0,3
(0,275 ÷0,276) ............ 7,15 (0,282) ........................
(0,274 ÷0,275) ............ 6,94 (0,273) ........................
(0,001 ÷0,002) ............ 0,15 (0,006) ........................
(0,055 ÷ 0,079) ............ 2,40 (0,094) ........................
(0,059 ÷ 0,075) ............ 2,50 (0,098) ........................
(0,0 ÷ 0,0004) ........... 0,03 (0,0012) ......................
(0,472 ÷0,4735) ......... 12,09 (0,476) ........................
(0,471 ÷0,472) .......... 11,95 (0,470) ........................
(0,0002÷0,001) ............ 0,10 (0,004) ........................
.................... 0,25 (0,01) ..........................
(1,378) 34,0 ................ (1,338) free length, outer spring
(1,457) 36,0 ................ (1,417)
......................
......................
0,00 .................... 0,20 (0,008) ........................
(0,032 ÷ 0,047) ............ 1,50 (0,059) ........................
(0,042 ÷0,052) ............ 1,00 (0,039) ........................
(1,165 ÷1,173) .......... 29,0
(0,0008÷0,0028) .......... 0,30 (0,012) ........................
(1,378 ÷1,379) .......... 35,003 (1,378) ........................
(1,240 ÷1,239) .......... 31,460 (1,239) ........................
(0,433 ÷0,434) .......... 11,05 (0,435) ........................
(0,430 ÷0,431) .......... 10,88 (0,428) ........................
(0,0016÷0,003) ............ 0,16 (0,006) ........................
(0,00 ÷0,002) ............ 0,06 (0,002) ........................
(0,039 ÷0,047) ............ 0,50 (0,019) ........................
(0,205 ÷0,213) ............ 4,50 (0,177) ........................
(0,003 ÷0,006) ............ 0,20 (0,008) ........................
(0,00 ÷0,0012) ........... 0,06 (0,002) ........................
(0,00 ÷0,0012) ........... 0,06 (0,002) ........................
(1,259 ÷1,260) .......... 31,95 (1,258) ........................
(1,261 ÷1,261) .......... 32,10 (1,264) ........................
(0,0008÷0,0016) .......... 0,12 (0,005) ........................
(1,102 ÷1,102) .......... 27,95 (1,100) ........................
(1,103 ÷1,104) .......... 28,10 (1,106) ........................
(0,0008÷0,0016) .......... 0,12 (0,005) ........................
Reference
wear limit actual dim.
mm (in.) int. / exh.
................................
................................
(0,012) ........................
................................
................................
(1,142) ........................
Modification no.
- 0 -