B.
Installation of the Filters.
(1)
Lubricate the new o-ring (3) with OILS (Material No. 03-002).
(2)
Install the new O-rings (3) on the filter housings (4).
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CES
Oil Filters
Figure 201/TASK 49-91-41-991-004
CES
(3)
Put the new filter element (2) into OILS (Material No. 03-002) and install the filter elements (2) into the filter housings (4).
(4)
Install the filter housings (4) into the lube module and tighten by hand.
(5)
Remove the blanking caps from the electrical connectors.
(6)
Connect the electrical connectors (5).
(7)
Check the oil quantity in the gearbox, add oil if the level is on or less than the ADD mark on the sight glass (Ref. TASK 49-90-00-600-007).
Subtask 49-91-41-210-054
C. Inspection of the Filter Elements.
(1)
Make an inspection of the filter elements (2) and the filter housings
(4) for the following contamination:
-brass flakes or strips,
-silver-plated steel flakes or strips,
-large metallic chips with a definite shape.
-copper wire particles,
-large nonmetallic flakes,
-phenolic resin.
(2)
If any of the described contamination is found, carry out the following procedure :
(a)
Remove the APU Generator (Ref. TASK 24-23-51-000-001).
(b)
Install a generator cover plate (Ref. TASK 49-11-00-400-006).
(c)
Start and operate the APU.
1_ Close the APU access doors 315AL and 316AR (Ref. TASK 52-41-
00-410-001).
2_ Start the APU (Ref. TASK 49-00-00-860-008).
3_ Allow the APU to run for 15 minutes.
4_ Shutdown the APU (Ref. TASK 49-00-00-860-009).
5_ Open the APU access doors (Ref. TASK 52-41-00-010-001).
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CES
(d) Remove and examine the filter elements (2) for further contamination.
1 If after 15 minutes of operation no contamination is found the
_ APU is servicable. If contamination is found, replace the APU.
a Install a new APU generator (Ref. TASK 24-23-51-400-001).
_ Subtask 49-91-41-865-064
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-91-41-710-052
E. Start and operate the APU.
(1)
Close the APU access doors (Ref. TASK 52-41-00-410-001).
(2)
Start the APU (Ref. TASK 49-00-00-860-008).
(3)
Allow the APU to run for 5 minutes.
(4)
Shutdown the APU (Ref. TASK 49-00-00-860-009).
(5)
Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
(6)
Check for leaks at the filter housings (4) and the generator flange. NOTE : No leakage is permitted.
____
(7)
Do a visual check of the oil quantity in the APU. Add oil if the oil level is on or less than the ADD mark on the sight glass (Ref. TASK 49-90-00-600-007).
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CES 5. Close-up
________ Subtask 49-91-41-410-055
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(3)
Set the LIGHT SW 11LJ to the OFF position.
(4)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(5)
Remove the access platform(s). Subtask 49-91-41-860-061
B.
Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
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CES FILTER - OIL ((APS 3200)) - MAINTENANCE PRACTICES
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