3. Job Set-up
__________
 Subtask 27-84-42-860-052
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the slats are in the 0 degree position (Ref. TASK 27-80-00-866-005).

 (2)
 Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) is installed (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.

 (3)
 Make sure that the access platform is in position at the opening of the main door of the main gear.

 (4)
 Make sure that the Green and Blue hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).

 (5)
 Make sure that the warning notice in position to tell persons not to pressurize the hydraulic systems.

 (6)
 Make sure that the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT (98D27504030001) is installed to lock the left slat transmission.

 (7)
 Make sure that the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT (98D27504030001) is installed to lock the right slat transmission.

 Subtask 27-84-42-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FLIGHT CONTROLS/SLT/CTL/SYS2 7CV R21

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 21HH W22 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 23HH W21 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 24HH Y21 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 22HH Y20R **ON A/C ALL

 4. Procedure
_________
 (Ref. Fig. 402/TASK 27-84-42-991-002)
 NOTE : The gearbox is a unit filled with grease and is not a hermetically
____ sealed unit. It is normal for this grease to have some oil separation. The external surface of the gearbox may be moist with this separated oil as it is not a sealed unit. However, any separated oil in the unit that touches the grease will be changed back during operation. The oil separation will decrease during in-service operation until the lubricant is in a condition that is stable. This is normal and will not cause damage to the unit.
 Subtask 27-84-42-910-050
 A. Preparation for Installation
 WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
 (1)
 To install the same gearbox, clean the splined surfaces of the connections with CLEANING AGENTS (Material No. 11-002).

 (2)
 Apply SEALANTS (Material No. 09-019) to the face of the tee gearbox 6005CM (1) which touches the support bracket.

 (3)
 Apply COMMON GREASE (Material No. 04-018) to the splines of the input universal joint (6).

 Subtask 27-84-42-420-050
 B. Installation of the Tee Gearbox
 (1)
 Install the input universal joint (6) as follows:

 (a)
 Engage the input universal joint (6) of the tee gearbox (1) in the tee gearbox input.

 (b)
 Install the pin (10).

 (c)
 Safety the pin (10) with the spring (5).

 (2)
 Connect the torque shaft 6004CM (9) as follows:

 (a)
 Put the tee gearbox (1) in position.

 (b)
 Make sure that the flange holes of the torque shaft (9) are in line with the flange holes of the input universal joint (6).

 (c)
 If the flange holes of the torque shaft (9) are not in line with the flange holes of the input universal joint (6), continue as follows:

 1 Turn the input universal joint (6) as necessary to put it in
_
 line.

 (d)
 Install the bolts (8) to connect the torque shaft (9) to the input universal joint (6).

 (e)
 Install the nuts (7) on the bolts (8).

 (f)
 TORQUE the nuts (7) to between 1.02 and 1.24 m.daN (90.26 and

 109.73 lbf.in).
 (g) Apply SPECIAL MATERIALS (Material No. 05-005) to the bolts (8) and the nuts (7).
 (3)
 Apply COMMON GREASE (Material No. 04-018) to the splines of the right input universal joint (15).
　
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