Rotax 914 F - Page 8

Reference Modification no.
- 5 -
Page
8
Date
2003 03 01
Main
914 F
d03047
14.4) Propeller gearbox ................................................................................................... 233
14.4.1) Removal of roller bearing for F2 only ....................................................... 235
14.4.2) Removal of roller bearing for F3 only ....................................................... 236
14.4.3) Removal of roller bearing for F4 only ....................................................... 236
14.4.4) Vacuum pump - removal .......................................................................... 237
14.4.5) Drive of vacuum pump - removal ............................................................. 237
14.4.6) Drive for vacuum pump and propeller governor - re-fitting ...................... 238
14.4.7) Vacuum pump .......................................................................................... 238
14.4.8) Drive for propeller governor - removal ..................................................... 239
14.4.9) Drive of propeller governor - installation .................................................. 240
14.4.10) Gearbox - disassembly ............................................................................ 241
14.4.11) Propeller shaft - removal .......................................................................... 242
14.4.12) Gearbox components — checking .......................................................... 243
14.4.13) Gearbox — Re-assembly ........................................................................ 244
14.4.14) Adjustment of disk spring pre-tension...................................................... 245
14.4.15) Propeller gearbox — re-fitting .................................................................. 246
14.5) Cylinder head — removal ...................................................................................... 247
14.5.1) Cylinder head - disassembly .................................................................... 248
14.5.2) Valve guides ............................................................................................. 249
14.5.3) Valve seats ............................................................................................... 249
14.5.4) Valves....................................................................................................... 249
14.5.5) Valve springs ........................................................................................... 250
14.5.6) Rocker arms ............................................................................................ 250
14.5.7) Re-assembly of cylinder head ................................................................. 251
14.6) Cylinder and piston - removal ................................................................................ 252
14.6.1) Piston checking........................................................................................ 252
14.6.2) Piston ring checking ................................................................................. 253
14.6.3) Dimensions of pistons and piston rings ................................................... 254
14.6.4) Piston pin .................................................................................................. 254
14.6.5) Cylinder checking .................................................................................... 254
14.7) Hydraulic valve tappets ......................................................................................... 255
14.8) Push rods ............................................................................................................... 255
14.9) Fitting of piston and cylinder assembly .................................................................. 256
14.9.1) Fitting of hydraulic valve tappets .............................................................. 256
14.9.2) Fitting of pistons ....................................................................................... 256
14.9.3) Fitting of cylinder ...................................................................................... 258
14.9.4) Fitting of cylinder head ............................................................................. 258
14.10) Fitting of coolant hoses .......................................................................................... 259
14.11) Fitting of intake manifolds ....................................................................................... 260
15) Wear limits for ROTAX 914 F .............................................................................. 261
16) Form Sheets ....................................................................................................... 266
16.1) Form Sheet for Cylinders and Pistons ................................................................... 266
16.2) Form Sheet for igniton unit ..................................................................................... 267
16.3) Form Sheet for electric starter ............................................................................... 268
16.4) Form sheet for crack detection .............................................................................. 269
17) Authorized Distributors and Service Centers .................................................. 270
18) Reporting ............................................................................................................ 271