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 (23) Install the bracket (320) on the lubrication unit (40) with bolts

 (340) and nuts (310).

 (24) TORQUE the nuts (310) to between 98 and 110 lbf.in (1.10 and 1.24 m.daN).

 (25) Lubricate the threads of bolts (80), (270) and (290) with graphite grease (Material No. CP2101).

 (26) Install bushings (110), the inner spring clip (120) and the outer spring clip (100) on the aft sump supply tube.

 (27) Attach the spring clips (100) and (120) to the bracket (320) with the bolt (80) and the nut (90).

 (28) Install bushings (250), the inner spring clip (240) and the outer spring clip (260) on the oil supply tube (230).

 (29) Attach the spring clips (240) and (260) to the bracket (320) with the bolt (270) and the nut (330).

 (30) Attach the clamp (300) which holds the electrical cable (to the hydraulic pump pressure switch) to the bracket (320) with the bolt

 (290) and the nut (280).

 (31) TORQUE the nut (90), (280) and (330) to between 98 and 110 lbf.in

 (1.10 and 1.24 m.daN).

 (32) Install the master chip detector (50) on the lubrication unit (40) (Ref. TASK 79-21-50-400-001).

 (33) Connect the electrical connector (20) to the main oil filter differential pressure switch (30). Fully tighten by hand.

 (34) Connect the electrical connector (10) to oil temperature sensor (previously installed) on the main oil filter housing. Fully tighten by hand.

 (35) Remove the oil drain container from the lubrication unit.

 Subtask 79-21-10-710-052
 B. Perform a minimum idle check (Ref. TASK 71-00-00-710-006) and check for leaks (Ref. TASK 79-00-00-210-003).
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________ Subtask 79-21-10-410-056
 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (3) Remove the warning notice(s).

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 TASK 79-21-10-000-006
 Removal of the Back-up Oil Filter
 1. Reason for the Job

__________________
 Self Explanatory

 2. Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific container 1 l (0.25 USgal)
 No specific locally manufactured adapter
 No specific standard slide hammer-type puller
 No specific warning notice
 No specific access platform 1 m (3 ft. 3 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors CMM 792115 R 79-21-10-991-305 Fig. 405
 3. Job Set-up
__________
 Subtask 79-21-10-941-057

 A. Safety Precautions
 (1) On the center pedestal, on the ENG panel 115VU:

 (a) Put a warning notice to tell persons not to start the engine.

 (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

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 (3) On the overhead maintenance panel 50VU:

 (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (b) Put a warning notice to tell persons not to energize the FADEC 1(2).

 Subtask 79-21-10-010-060
 B. Get Access
 (1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR

 (2) Put an access platform in position.
　
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