MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Date
MAR 2017
Rev Date
Page
5
79-00-00 - GENERAL
The oil system is a wet sump, pressure type system.
The engine sump has an 8 quart (U.S.) capacity. Ser-
vicing of the oil quantity is provided through an access
door located on top of engine cowling.
Aircraft are delivered with proper non- detergent, min-
eral oil (MIL-C-6529 Type II). This oil should be
changed at 25 hours or when oil consumption has sta-
bilized. The replacement oil should conform to Contin-
ental Motors Specification MHS24. Routine oil change
interval is 50 hours, however if operating in a dusty
environment the interval should be more often.
-NOTE-
Continental Motors Recommends a new, reman-
ufactured or newly overhauled engine should
have oil and filter changed at 25 hours of opera-
tion after changing to detergent oil, then begin 50
hour oil change interval.
-NOTE-
Refer to Section 5-20-07 or Continental Motors
Maintenance & Overhaul Manual M-18 or Contin-
ental Motors Installation and Operation Manual
OI-18 for approved oil products.
OIL SUCTION
OIL THRU RELIEF VALVE
OIL THRU OIL TEMPERATURE CONTROL VALVE
OIL UNDER PRESSURE
OIL FROM GOVERNOR
OIL PRESSURE &
TEMPERATURE CONNECTION
OIL TEMPERATURE CONTROL VALVE
OIL PRESSURE RELIEF VALVE
STARTER
IDLER
ACCESSORY
DRIVES
CRANKSHAFT
CAMSHAFT
TAPPETS
OIL COOLER
FULL FLOW OIL FILTER
WITH BY- PASS VALVE
SUMP OIL PICK- UP
CAMSHAFT
OIL TRANSFER COLLAR
GOV. PAD
TO
PROPELLER
LUBRICATION DIAGRAM
FIGURE 79- 1
79-00-01 - OIL FILTER REMOVAL
The engine oil filter, Continental Motors P/N, 649923,
should be replaced each 50 hours and at every oil
change (Figure 79- 1).
1. Remove top and bottom cowling (see Section
71-10-00).
2. Cut and remove safety wire on filter.
3. Loosen the spin off oil filter and remove.
79-00-02 - OIL FILTER INSTALLATION
1. Position new filter on adapter.
2. Tighten per instructions on filter.
3. Safety wire filter.
4. Perform leak check prior to flight.
5. Reinstall lower and upper cowling (see Section
71-11-00).
6. Connect and secure electrical and mechanical
connections for cowling installation.
79-20-00 - DISTRIBUTION
The oil system on the CMI TSI0 550-G ( ) engine is in-
ternal within engine (See Fig. 79- 1) except for oil pres-
sure transducer
plumbing. This portion of system con-
tains pressure hoses and fittings (refer to Figure 79- 2).
79-00-00
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