DISC ASSEM. 8D1647 - Caterpillar

Removal Procedure
Start By:
Remove the first stage turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove (First Stage Turbocharger)" for the correct procedure. Note: Plug or cap all open ports with new plugs or caps.
Illustration 1 g02177350
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
Loosen bolts (1) for the support bracket.
Remove bolt (2) from clip for tube assembly.
Remove bolts (3) and bolts (11). Remove tube assembly (5) from the exhaust cooler and induction mixer.
Remove gasket (4) (not shown) and gasket (12) (not shown).
Remove bolts (7) and bolts (10). Remove tube assembly (6) from the exhaust cooler and from the cylinder head.
Remove gasket (8) (not shown) and gasket (9) (not shown).
Illustration 2 g02177373
Cut cable straps (16).
Remove bolts (14) and bolts (18) from tube assembly (15). Remove the tube assembly (15) from the exhaust cooler.
Remove gasket (13) (not shown) and gasket (17) (not shown).
Illustration 3 g03423064
Illustration 4 g02367616
Remove bolts (24) and bolts (26) from tube assembly (25).
Loosen bolts (20) in reverse numerical order. Refer to Illustration 3. Note: Loosening the bolts in reverse numerical order will help prevent distortion of the exhaust manifold.
Remove bolts