R (7) Install the hydraulic motor (7) with the POB (41) on the valve block assembly (23).
R R (a) Apply the SPECIAL MATERIALS (Material No. 05-002) to the threads of the bolts (6).
(b) Carefully install the hydraulic motor (7) on the transfer tubes (14) on the valve block assembly (23).
(c) Carefully install the POB (41) on the transfer tube (33).
(d) Attach the hydraulic motor (7) to the POB (41) with the washers (5) and the bolts (6).
(e) TORQUE the bolts (6) to between 0.87 and 0.96 m.daN (76.99 and 84.95 lbf.in).
R (8) Install the hydraulic motor (7) with the POB (41) and the valve block assembly (23).
R R (a) Apply the SPECIAL MATERIALS (Material No. 05-002) to the threads of the studs (42) and to the threads of the bolts (3).
R (b) Install the hydraulic motor (7), the POB (41) and the valve block assembly (23) to the differential gearbox (40).
R R R (c) Attach the POB (41) and the valve block assembly (23) to the differential gearbox (40) with: - the washers (2) - the bolts (3) - the washers (25) - the nuts (24).
(d) TORQUE the bolts (3) and the nuts (24) to between 1.40 and 1.54 m.daN (10.32 and 11.35 lbf.ft).
R R R (9) Do a bonding test between the main bonding point of the power control unit and the: - POB flange - hydraulic motor flange - valve block assembly flange. The resistance must not be more than 20 milliohms.
R (10) Connect the hydraulic lines.
(a)
Remove the blanking caps from the line ends (8),(10),(11).
(b)
Make sure that the hydraulic line end-fittings are serviceable.
R (c) Apply the HYDRAULIC FLUIDS (Material No. 02-003) to the threads R of the line end-fittings.
(d)
Remove the blanking plugs from the PCU (1).
(e)
Connect the case drain line (8) to the hydraulic motor (7).
(f)
TORQUE the union nut of the case drain line (8) to between 1.5 and 1.7 m.daN (11.06 and 12.53 lbf.ft).
(g)
Connect the seal drain line (10) with the new tie wrap (9) to the POB (11).
(h)
Connect the hydraulic lines (11).
(i)
TORQUE the union nuts of the hydraulic lines (11) to between 5.4 and 5.9 m.daN (39.82 and 43.51 lbf.ft).
R (11) Connect the electrical connector (22).
(a)
Remove the blanking cap from the electrical connector (22).
(b)
Make sure that the electrical connectors are clean and in the correct condition.
(c)
Connect the electrical connector (22) to the valve block assembly (23).
Subtask 27-84-54-860-051
C. Preparation for the Test
(1)
Remove the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT from the right slat transmission.
(2)
Remove the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT from the left slat transmission.
(3)
Pressurize the reservoirs of the Green and the Blue hydraulic systems (Ref. TASK 29-14-00-614-002).
(4)
Pressurize the Green and the Blue hydraulic systems (Ref. TASK 29-10-00-863-001) (Ref. TASK 29-10-00-863-003).
(5)
Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (Ref. TASK 27-00-00-080-002) from the slat/flap control lever.
(6)
Remove the warning notice(s).
(7)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 27-84-54-865-051
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CV, 7CV
Subtask 27-84-54-710-050
E. Test
(1)
Do the operational test of the slat system (Ref. TASK 27-84-00-710-001).
(2)
Make sure that there are no leaks and that no fluid comes out of the seal drain line (14).
5. Close-up
________ Subtask 27-84-54-860-052
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the level of fluid in the relevant hydraulic reservoir is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(2)
Remove the container from below the PCU (1).
(3) Remove the access platform(s). Subtask 27-84-54-410-050
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