(b) Installation of tubes on TGB housing (120).
CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING
_______ NUTS. ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
1 Connect TGB oil supply tube (180) as follows:
_
a Lightly coat threads of nipple with engine oil (Material
_
No. CP2442).
b Connect oil supply tube to nipple with union nut (100).
_ Make sure tube is unstrained. TORQUE nut to between 270 and 300 lbf.in (3.05 and 3.39 m.daN).
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2 Connect oil tank vent tube (220) assy as follows:
_ a Lightly coat gasket (240) with engine oil (Material No.
_
CP2442).
b Lightly coat threads of the 4 bolts (230) with graphite
_ grease (Material No. CP2101).
c Install gasket (240) and attach the oil vent tube (220)
_ flange on TGB housing using the 4 bolts (230). TORQUE to between 45 and 50 lbf.in (0.50 and 0.56 m.daN).
3 Connect the TGB scavenge tube (170) as follows:
_ a Lightly coat gasket (90) with engine oil (Material No.
_
CP2442).
b Lightly coat threads of the 4 bolts (110) with graphite
_ grease (Material No. CP2101).
c Install gasket (90) and secure the scavenge tube (170)
_ flange on TGB housing (120) using the 4 bolts (110) TORQUE to between 45 and 50 lbf.in (0.50 and 0.56 m.daN).
4 Check for oil scavenge plug lockwire. Proceed as follows if
_
lockwire is not present.
a Loosen scavenge plug from TGB housing.
_
b Remove O-ring (10) and discard.
_
c Lightly coat new O-ring (10) and threads of scavenge plug
_ R (20) with engine oil (Material No. CP2442). Install new O-R ring (10) on scavenge plug (20).
d Tighten scavenge plug (20) on TGB housing. TORQUE to
_ between 180 and 200 lbf.in (2.03 and 2.26 m.daN). Safety with a lockwire 0.032 in. (0.8 mm) dia (Material No. CP8001) and lockwire 0.032 in. (0.8 mm) dia (Material No. CP8002).
(3) Installation of the Pneumatic Starter:
(a) Reinstall the pneumatic starter (Ref. TASK 80-11-10-400-002).
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Subtask 72-62-00-410-057
E. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040). FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 72-62-00-440-053
F. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 72-62-00-710-051
G. Engine Checks.
(1) Do an idle check (Ref. TASK 71-00-00-710-006) and do a check of the TGB and tubes for leaks (Ref. TASK 79-00-00-210-003).
R (2) Do a check of the oil level (Ref. TASK 12-13-79-610-002) or R (Ref. TASK 12-13-79-610-002).
(3) Do an acceleration/deceleration check (Ref. TASK 71-00-00-710-025).
5. Close-up
________
Subtask 72-62-00-410-058
A. Close Access
(1) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Remove the warning notice(s).
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TRANSFER GEARBOX ASSEMBLY - INSPECTION/CHECK
____________________________________________ TASK 72-62-00-210-002 Inspection/check of the Transfer Gearbox Assembly
1. Reason for the Job
__________________
To make sure that the transfer gearbox (TGB) is serviceable.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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