52-22-00-860-003 Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder 52-22-00-860-004 Special Precaution after Maintenance on the Door
Damper and Emergency Operation Cylinder 52-22-31-991-002 Fig. 403 52-22-31-991-007 Fig. 404 52-22-31-991-008 Fig. 405
3. Job Set-up
__________
Subtask 52-22-31-010-055
A. Get Access
(1)
Open the applicable emergency exit door (referred to as door) as required (Ref. TASK 52-22-00-010-001).
(2)
Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. TASK 52-22-00-860-003).
(3)
Make sure that the access platform in position below the applicable door.
(4)
Remove the door frame lining as required (Ref. TASK 25-23-47-000-004), (Ref. TASK 25-23-47-000-009) or (Ref. TASK 25-23-47-000-010).
(5)
Carefully disconnect the VELCRO-tapes and remove the insulation blankets from the door frame as required.
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4. Procedure
_________ Subtask 52-22-31-820-055
A. Adjustment of the Upper and Lower Guide Fittings (26) and (35)
(Ref. Fig. 403/TASK 52-22-31-991-002, 404/TASK 52-22-31-991-007)
(1)
Move the open door in the adjustment position as follows:
(a)
Move the door in front of the opening of the fuselage.
(b)
Pull the door carefully inboard so that the rollers of the roller guides (8) engage with the upper and lower guide fittings (26) and (35).
(2)
Measure the clearance "B" between the rollers of the roller guides
(8) and the upper and lower guide fittings (26) and (35). NOTE : The clearance "B" must be between 0.1 mm (0.0039 in.) and 0.5
____
mm (0.0196 in.).
(3)
If necessary, adjust the vertical position of the upper and lower guide fittings (26) and (35) as follows:
(a)
Loosen the nuts (32) and (37).
(b)
Move the upper and lower guide fittings (26) and (35) up or down until the clearance "A" is correct.
(c)
Tighten the nuts (32) and (37).
(d)
Make a mark to identify the correct vertical position.
(4)
Pull the door fully inboard and move the inboard handle down so that the door lowers fully down.
(5)
Measure the clearances "C", "D" and "E" arond the roller of the roller guide (8) and the lower guide fitting (35).
NOTE : The clearance "C" must be min. 0.2 mm (0.0078 in.).
____ The clearance "D" must be min. 2.0 mm (0.0787 in.). The clearance "E" must be max. 0.3 mm (0.0118 in.)
(6) If necessary, adjust the horizontal position of the lower guide fitting (35) as follows:
(a) Loosen the nuts (37).
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Adjustment of the Guide Fittings
Figure 404/TASK 52-22-31-991-007
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(b)
Move the lower guide fitting (35) inboard or outboard until the clearances"C", "D" and "E" are correct.
(c)
Tighten the nuts (37).
(7) Measure the clearance "F" between the roller of the roller guide (8) and the head of the stop bolt (30).
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