(b)
Remove the nut (362), the washers (361), the bush (359) and the bolt (360) from the pretension lever (356).
(c)
Disconnect the eye-end of the pretension rod (364) from the fork-end of the pretension lever (356).
(d)
If required, remove the bush (358) from the fork-end of the pretension lever (356).
1EFF : 301-399, 1 52-22-21Page 470 1 1 May 01/04 1 1 1CES 1 (7) Remove the pretension sleeve (371) as follows:
(a)
Remove the nuts (351), the bolts (353) and the flange bearing (352).
(b)
Move the pretension sleeve (371) forward until it comes free from the door member.
(c)
Remove the washers (368), (369) and (370) from the pretension sleeve (371).
NOTE : Write down the quantity and the sequence of the washers
____
(368), (369) and the (370).
(d)
Remove the pretension sleeve (371) with the pretension lever
(356) from the door structure.
(e)
If required, remove the nut (355), the bolt (357) and the pretension lever (356) from the pretention sleeve (371).
(f)
Remove the retaining ring (391) and the stop (390) from the door structure.
Subtask 52-22-21-020-057
B. Removal of the Pretension Unit
(Ref. Fig. 408/TASK 52-22-21-991-007)
NOTE : Make sure that the tension of the torsion spring is fully
____
decreased.
(1)
Disconnect the pretension rod (364) from the pretension lever (356) as follows:
(a)
Remove and discard the cotter pin (363) from the nut (362).
(b)
Remove the nut (362), the washers (361), the bush (359) and the bolt (360) from the pretension lever (356).
(c)
Disconnect the eye-end of the pretension rod (364) from the fork-end of the pretension lever (356).
(d)
If required, remove the bush (358) from the fork-end of the pretension lever (356).
(2)
Hold the pretension rod (364) and remove the adjustment screw (365) from the bearing fitting (367).
1EFF : 301-399, 1 52-22-21Page 471 1 1 May 01/04 1 1 1CES 1
(3)
Remove the pretension rod (364) from the bearing fitting (367).
(4)
If required, remove the spherical bearing (366) from the bearing fitting (367).
(5)
If required, remove the nuts (398), the bolts (399) and the bearing fitting (367) from the lower door structure.
1EFF : 301-399, 1 52-22-21Page 472 1 1 May 01/04 1 1 1CES 1 TASK 52-22-21-400-005
Installation of the Balance Mechanism
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific ballast weight of 8.0 kg (17.637 lb) No specific access platform 3.2 m (10 ft. 6 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire, corrosion resistance steel, dia. 0.8 mm
(0.030 in.)
Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
363 cotter pin 52-22-21 22A-160 382 cotter pin 52-22-21 20 -060 397 lock washer 52-22-21 21A-090
1EFF : 301-399, 1 52-22-21Page 473 1 1 May 01/04 1 1 1CES 1
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-23-47-000-012 Removal of the Door Linings of the LH FWD Emergency Exit Door, zone 231
25-23-47-000-013 Removal of the Door Linings of the RH FWD Emergency Exit Door at zone 251 or RH AFT at zone 252 or LH AFT at zone 232.
25-23-47-400-012 Installation of the Door Linings of the LH FWD Emergency Exit Door, zone 231
25-23-47-400-013 Installation of the Door Linings of the RH FWD Emergency Exit Door at zone 251, or RH AFT at zone 252, or LH AFT at zone 232.
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