Magneto Hub; Ignition Housing Disassembly And Inspect - Rotax 912 Series Maintenance Manual

00378
10
13.3.3)
00379
1
13.3.4)
2
3
00380
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
Verify the coolant elbows P screwed into the water pump
housing for leakage, cracks and tight fit. Replace as
necessary. Mark the position of the coolant elbows. Warm
up water pump housing to approx. 80° C (180° F) and
remove the elbows. Carefully clean threads from
LOCTITE
coolant elbows and fit it into position with at least 5
courses of thread engaged.
fig. 069

Magneto hub

See fig. 070.
Remove hex. screw M16x1,5. Place protection
mushroom 877 410 onto the crankshaft, screw puller 877
375 fully down and pull off flywheel hub with washer.
Remove Woodruff key Q from crankshaft.
fig. 070

Ignition housing disassembly and inspect

See fig. 071, 072, 073, 074 and 075.
fig. 071
® remains, apply LOCTITE
CAUTION: If Woodruff key is not removed,
the oil seal and bearing bush will
be damaged when removing the
ignition housing!
Open the plastic clamp and remove cable clamp
from electronic module. Detach both 4-pole
plugs of the 2 pick-up cables and both connec-
tions of charging cable. Detach both plug con-
nectors of generator cable and control cable for
the electronic rev. counter. See para 13.4.12.
Decide whether the stator may remain in the
ignition housing. Otherwise remove the cable
clamps and remove the stator.
Cover the groove for Woodruff key with a pro-
tective tape to avoid damage to the oil seal. See
fig. 070.
® 648 on the new
page 52
Initial issue, Jan. 01/2002