ADAPTER 8X8407 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 165-4638 Guide 2
B 5P-3931 Anti-Seize Compound -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02345656
Remove temperature sensors (4).
Remove heat shields (1), (2) and (3).
Illustration 2 g02345657
Remove clamp assembly (10).
Remove nuts (6). Loosen clamp assemblies (5).
Remove and discard nuts (7). Remove the spacers, exhaust manifold (8), and the gaskets.
Remove and discard nuts (7). Remove the spacers, exhaust manifold (9), and the gaskets.
Illustration 3 g02345724
Remove and discard clamp assemblies (10) and bellows (15).
Remove and discard clamp assemblies (12) and bellows (13). Separate tube assembly (11) and exhaust manifold (8).
Remove and discard clamp assemblies (12) and bellows (13). Separate exhaust elbow (14) and exhaust manifold (9). Installation Procedure
Install exhaust manifolds (9) and (8) in reverse order of removal.
Install new clamp assemblies (12) and new bellows (13).
Illustration 4 g02346179
Position new bellows (15) and install new clamp assemblies (10) (not shown). Ensure that the end of the bellows with the taper (A-A) is facing the exhaust manifold. Tighten clamp assemblies (10) to a torque of 7.5 1 N m (66 9 lb in).
Illustration 5 g02346618
Torque Sequence
Position the exhaust manifolds into place and install at least one Tooling (A) in each exhaust manifold.
Apply Tooling (B) on the threads of the new nuts (7). Tighten nuts (7) in the above sequence to a torque of 20 3 N m (15 2 lb ft). Tighten nuts (7) again in the above sequence to a torque of 38 5 N m (28 4 lb ft).
Tighten clamp assemblies (12) and (5) to a torque of 7.5 1 N m (66 9 lb in).
Tighten nuts (6) to a torque of 5 1 N m (44 9 lb in).
Apply Tooling (B) to temperature sensors (4). Tighten temperature sensors (4) to a torque of 45 5 N m (33 4 lb ft).