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(c) Install the bolt [34], bolt [40], washers [35], and nuts [36].
1) Tighten the nuts [36] to 650 in-lb (73.4 Nm) -- 540 in-lb (61.0 Nm).
2) Install the new pin [37].
NOTE: Tighten nut [36] if it is necessary to get the pin hole alignment but do not
exceed 650 in-lb (73.4 Nm).
SUBTASK 27-41-31-220-001
(5) Do a check of the dimension between the hinge fitting [24] and bulkhead support structure:
(a) Attach an L-angle shape to the forward side of the bulkhead flange to use as a reference
plane.
(b) Install the dial indicator, STD-1238.
(c) Measure the dimension between the hinge fitting [24] and the bulkhead support structure.
SUBTASK 27-41-31-420-005
(6) Install the hinge fitting [24] to the bulkhead support structure.
(a) Install the adjustable hinge bushing [28]:
1) Install the adjustable hinge bushing [28] by hand until it touches the hinge fitting
bearing.
2) Use the dial indicator, STD-1238 to measure the dimension between the hinge fitting
[24] and the bulkhead support structure.
3) Make sure this dimension is the same as you measured before.
4) If it is necessary, loosen or tighten the adjustable hinge bushing [28] until you get the
correct dimension.
(b) Install the hinge bushing [17]
1) Lubricate the hinge bushing [17] with compound, D50004.
2) Install the hinge bushing [17].
(c) Install the hinge pin [26]:
1) Lubricate hinge pin [26] and protector, SPL-2036 with grease, D00015.
2) Use the protector, SPL-2036 to install the hinge pin [26].
(d) Install the bushing spacer [23] and nut [18].
1) Tighten the nut [18] by hand.
(e) Install the bolts [2] and washers [3] to attach the bushing retainer [1] to the hinge fitting [24].
(f) Install the bushing retainer [25] on the adjustable hinge bushing [28].
CAUTION: DO NOT APPLY TORQUE TO THE WRENCH FLATS ON THE HINGE PIN. YOU CAN
CAUSE DAMAGE TO THE EQUIPMENT.
(g) Temporarily remove the bushing retainer [25].
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(h) Tighten the nut [18] to 650 in-lb (73.4 Nm) -- 850 in-lb (96.0 Nm).
(i) If the pin holes do not align, tighten the nut [18] maximum 30 degrees as necessary to align
the nearest pin hole.
(j) Use the dial indicator, STD-1238 to measure the dimension between the hinge fitting [24]
and bulkhead support structure.
1) Make sure the dimension is the same as you measured before and after you installed
the adjustable hinge bushing [28] in +/- 0.005 inch (+/- 0.13 millimeter).
(k) Do a check of the clearance between the bulkhead support structure and hinge bushing
[17].
1) Remove the bolts [2] and washers [3] to remove the bushing retainer [1].
2) Do a check of the clearance between the bulkhead support structure and hinge bushing
[17].
3) Make sure the clearance is 0.12 +0.07 / -0.08 in. (3.05 +1.78 / -2.03 mm).
4) Install the bolts [2] and washers [3] to attach the bushing retainer [1] to the hinge fitting
[24].
(l) Install the bushing retainer [25] with the hinge insert pin [27].
1) Turn the hinge insert pin [27] until you align the pin holes.
CAUTION: DO NOT APPLY TORQUE TO THE WRENCH FLATS ON THE HINGE PIN. YOU CAN
CAUSE DAMAGE TO THE EQUIPMENT.
(m) Install the washer [21] and nut [19].
1) Tighten the nut [19] to a maximum of 50 in-lb (5.6 Nm).
2) If the pin hole of the nut [19] does not align, loosen the nut [19] a maximum of 30
degrees as necessary to align the nearest pin hole of the nut [19].
3) Install the new pin [20].
(n) Install the bolts [52] to attach the bracket [53] to the bulkhead support structure.
(o) Install the bolts [54] to attach the bracket [55] to the bulkhead support structure.
SUBTASK 27-41-31-080-001
(7) Remove the L-shape and the dial indicator, STD-1238.
SUBTASK 27-41-31-080-002
(8) Remove the lock, SPL-1672 from the stabilizer trim wheel at the control stand (Figure 401).
SUBTASK 27-41-31-710-001
(9) Move the trim control wheel to make sure the stabilizer operates smoothly through the full travel
between the jackscrew stops.
SUBTASK 27-41-31-220-002
(10) Make sure the clearance between the jackscrew support fitting and the fuselage structure is
0.030 ±0.020 in. (0.76 ±0.51 mm) on the two sides of the stabilizer.
F. Put the Airplane Back to Its Usual Condition
SUBTASK 27-41-31-410-001
(1) For the left hinge fitting, do this step:
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737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册3(135)
