HARNESS AS-CHASSIS 4770032 - Caterpillar

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Remove nuts (11) and remove spacers (12) . Discard nuts (11) .
Remove exhaust manifold assembly (13) and remove the gaskets.
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Note: Note the orientation of the exhaust manifold sections for use in installation procedure.
Remove nuts (17) and discard the nuts. Remove elbow (18) and the gasket. separate exhaust manifold sections (14) , (15) , and (16) .Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Description     Qty    
(A)     361-5661     Bellows Tool Assembly     1    
B     -     Anti-Seize Compound     1    
C     2P-2333     3M 1137 High Temperature Sealer     1    
D     165-4638     Guide     3    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Illustration 4 g02494599
Note: Note the orientation of the exhaust manifold sections for use in installation procedure.Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.
Position elbow (18) and the gasket into position on manifold section (16) .
Apply Tooling (B) on the threads of nuts (17) . Install the nuts. Tighten nuts (17) to a torque of 70 5 N m (52 4 lb ft).
Apply a thin coat of Tooling (C) to the outside of the male ends of manifold sections (14) and (16) . Assemble manifold sections (14) , (15) , and (16) , as shown.
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Illustration 6 g01381130
Torque Sequence
Position exhaust manifold (13) and the gaskets into position.
Apply Tooling (B) on the threads of nuts (11) .
Install Tooling (D) at Locations (X) . Position spacers (12) and install new nuts (11) . Hand tighten nuts (11) . Remove Tooling (D) . Install remaining spacers (12) and nuts (11) . Tighten nuts (11) in the above sequence to a torque of 20 3 N m (15 2 lb ft). Tighten nuts (11) again in the above sequence to a torque of 50 5 N m (37 4.0 lb ft).
Illustration 7 g02494237
Illustration 8 g02494743
The ends of the bellows are very sharp. Injury could occur if the bellows are not handled properly. Handle the bellows by the convolutions.
Note: Refer to Special Instruction, REHS1728, "Application Guideline for the Bellows" for additional information on handling the bellows.
Position heat shield assembly (4) and install bolts (3) . Tighten bolts (3) to a torque of 25 7 N m (18 5 lb ft).
Install tube assembly (5) .
Position clamp assemblies (6) . Use Tooling (A) in order to