3) Oil Pump Reassembly - Rotax 912 Series Maintenance Manual

13.2.3)
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Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
Oil pump reassembly
See fig. 062.
Lubricate bearing of pump shaft in oil pump housing with motor oil (see
relevant Operator's Manual) and install pump shaft Q. Insert pin W 4x15,8
in the pump shaft Q, install rotary piston assembly E and turn pump shaft
to check for ease of movement. Fit the 2 outer O-rings R 11-2,7 and one
O-ring T 30-2,5 in the oil pump housing and fit it to the crankcase.
Turn oil pump shaft until the driving pin Y engages in the
NOTE:
camshaft (Nut).
NOTE: With design year 1995 rotary piston length was changed
from 13 mm to 16 mm (0,53 to 0,65 in)!
Push both locating pins U 4x15,8 into the pump housing, fit O-ring I 57-
3 and oil pump cover O with Allen screws M6x50 and lock washers,
tighten equally to 10 Nm (90 in.lb).
Fit ball P 8,5 mm, spring { 39,5 mm (1,55 in.) long and plug screw }
M12x1. Torque to 25 Nm (220 in.lb).
The adjustment shim q is not used for the time being and
CAUTION:
is only fitted if during test run the specified oil pressure
is not reached.
Spring { 39,5 mm (1,55 in.) long, renew at wear.
NOTE:
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04701
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fig. 062
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page 49
Initial issue, Jan. 01/2002