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10) Fill the oil system - refer to 12-12-01.
11) Check for leaks.
AEAC
Validity : Post-MOD. 131 or Kit OPT10 923500 79-20-01 (DM) Page 404
SEP 02
1 - Cooler
2 - Union
3 - Elbow
4 - Hose
5 - Nut
6 - Threaded rod
7 - Washer
8 - Hose
9 - End
10 - Spacer
11 - Engine bulkhead
0 1
A
Standard cooler - Removal / Installation
Figure 401
AEAC
Validity : Post-MOD. 131 or Kit OPT10 923500 79-20-01 (DM) Page 405
SEP 02
Optional cooler - Removal / Installation
Figure 401A
AEAC
Validity : Post-MOD. 131 or Kit OPT10 923500 79-20 OP asgEep40026 1 (DM)
FILTER OR FILTERING CARTRIDGE
REMOVAL / INSTALLATION
NOTE : Prior to any replacement, check the type of filtering element (filter or filtering cartridge).
1. REMOVAL OF FILTERING CARTRIDGE (Figure 401)
A. Tools and consumable materials
- Champion CT-470 or Airwolf AFC-470 tool
B. Procedure
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE KEY IS REMOVED FROM MAGNETO SELECTOR AND THAT "MAIN SWITCH" IS OFF.
IF AIRCRAFT IS EQUIPPED WITH DISCONNECT PLUG ON FIREWALL, DISCONNECT "MAGNETO DISCONNECT" PLUG AND CONNECT IT TO "GROUND MAGNETO FOR SERVICING" PLUG.
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE ENGINE, EXHAUST PIPE AND MANIFOLDS ARE COLD. IF NOT, TAKE NECESSARY PRECAUTIONS TO AVOID SEVERE BURNS.
1) Remove the engine cowlings - refer to 71-10-01.
2) Drain the oil system - refer to 12-12-02.
3) Cut off and discard lockwire (2).
4) Loosen and remove filtering cartridge (1).
CAUTION : CHECK FOR METAL PARTICLES IN THE FILTERING CARTRIDGE. THE PRESENCE OF METAL PARTICLES INDICATES ENGINE DAMAGE.
5) Check for metal particles in filtering cartridge (1) :
a) Open filtering cartridge (1) using the Champion CT-470 or Airwolf AFC-470 tool.
b) Check the condition of the oil at the outlet of filtering cartridge (1). Check for metal particle contamination.
c) Remove the paper filter from filtering cartridge (1).
d) Carefully unfold the paper filter and examine the deposits inside.
NOTE : If an abnormal quantity of metal particles is detected during filtering cartridge inspection, TEXTRON LYCOMING recommends a spectrograph oil analysis to monitor engine component wear rates. Refer to Service Bulletin No. 480 at the latest edition.
2. INSTALLATION OF FILTERING CARTRIDGE (Figure 401) A. Tools and consumable materials
- Torque wrench 0 to 265 lbf.in (0 to 30 N.m)
- Stainless steel lockwire, dia. 0.032 in (0.8 mm)
ACAC
Validity : S / N 1 - 9999
79 20-02(DA) Page 401
SEP 02
B. Procedure
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