4. Procedure
_________
(Ref. Fig. 401/TASK 27-54-41-991-001)
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 27-54-41-910-052
A. Preparation for the 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)
Apply SEALANTS (Material No. 09-019) to the face of the right angle gearbox 6203CM (6253CM) (1) which touches the support bracket.
(2)
Make sure that the splined surfaces of the input universal joint (18) and the shaft (5) are cleaned with CLEANING AGENTS (Material No. 11-002).
(3)
Apply COMMON GREASE (Material No. 04-018) to the splines of the input universal joints (5) and (18).
(4)
Apply SPECIAL MATERIALS (Material No. 05-005) to the heads of the bolts (16).
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Subtask 27-54-41-420-050
B. Installation of the Right Angle Gearbox 6203CM (6253CM)
(1)
Install the right angle gearbox (1) as follows:
(2)
Put the right angle gearbox (1) in position on the support bracket and attach it with the bolts (16) and the washers (17).
(3)
At the bonding point, seal the bolt (16) with SEALANTS (Material No. 09-013) and apply STRUCTURE PAINTS (Material No. 16-003) (dyed blue) to the bonding area (Ref. TASK 20-28-00-912-004).
(4)
TORQUE the bolts (16 ) to between 0.78 and 0.96 m.daN (69.02 and
84.95 lbf.in).
(5)
Install the input universal joint (18) as follows:
(a)
Engage the input universal joint (18) of the right angle gearbox
(1)
in the input of the right angle gearbox.
(b)
Install the pin (10) and safety it with the spring (3).
(6)
Install the input universal joint (5) as follows:
(a)
Engage the input universal joint (5) of the right angle gearbox
(1)
in the input of the right angle gearbox.
(b)
Install the pin (10) and safety it with the spring (3).
(7)
Install the torque shaft 6204CM (6254CM) (11) as follows:
(a)
Put the torque shaft (11) in position.
(b)
Make sure that the flange holes of the torque shaft (11) are in line with the flange holes of the input universal joint (18).
(c)
If the flange holes are not in line turn the input universal joint (18) as necessary to put it in line.
(d)
Install the shim (15).
(e)
Install the bolts (14) and the nuts (7) to attach the torque shaft (11) to the input universal joint (18).
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(8) Measure dimension X. If dimension X is less than 6.5 mm (0.2559 in.),
continue as follows:
(a)
Remove the nuts (7) and the bolts (14).
(b)
Remove the shim (15).
(c)
Install the bolts (14) to connect the torque shaft (11) to the input universal joint (18).
(d)
Install the nuts (7) on the bolts (14).
(9) Make sure that you can not see the indicator groove. If you can see the indicator groove , continue as follows:
(a)
Remove the nuts (7) and the bolts (14).
(b)
Install the shim (15) between the torque shaft (11) and the input universal joint (18).
(c)
Install the bolts (14) to connect the torque shaft (11) to the input universal joint (18).
(d)
Install the nuts (7) on the bolts (14).
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