2) Water Pump Housing - Disassembly And Check - Rotax 914 F Maintenance Manual

13.3.2) Water pump housing - disassembly and check

See Pic. 107 and 108.
Remove the 2 Allen screws M6x20 Q of the water inlet elbow W and remove
elbow with O-ring.
Remove the 4 hose clamps from water drain hoses and from water pump
housing. By removing 5 Allen screws M6 E the water pump housing R with
gasket T can be taken off.
O
I T
Pic. 107
00377
pump housing to approx. 80° C (180° F) and remove the socket. Clean
threads carefully from LOCTITE remains, apply LOCTITE 648 to the new bent
water socket and fit it into position after 5 turns.
Modification no.
- 0 -
NOTE: Register the position of the inlet elbow!
ATTENTION: The Allen screw Y goes through to the
R
Check inside for traces of possible contact with impeller
E
W
E
Reference
water chamber and therefore is sealed
with sealing ring U.
I. The necessary clearance can be achieved by
axial spacing of the water pump shaft. The shim O
fitted behind the impeller is of stainless steel.
Remove the impeller I with special tool, part
no 877 295, with crankshaft locked, turning
counter-clockwise.
Q
Check the bent water socket P screwed into
the water pump housing for leakage, cracks
7
and tight fit, replace if necessary. Mark the
Y
position of the bent socket. Warm up water
00378
10
Main Date
914 F 1997 02 01
Pic. 108
Page
153