GEAR (16 Teeth) 8K6323 - Caterpillar

(1) Exhaust elbow (not water cooled).(2) Adapter.(3) Ring expander.(4) Metal seal rings.(5) Coupling.(6) Exhaust elbow support bracket.(7) Exhaust elbow mounting bolts.(8) Support bracket mounting bolts.(9) Adapter bolts.Installation Procedure:
A. Install ring expander (3) in each groove of coupling (5). Now install the four metal seal rings (4) in each groove over ring expander (3). Seal rings (4) must be installed with the gaps of each ring spaced approximately 90° apart from each other.B. Install coupling (5) in elbow (1), and then install adapter (2) over coupling (5).C. Install turbocharger to exhaust manifold, and make sure face of turbocharger is in vertical alignment with adapter (2).D. Install gasket between adapter (2) and turbocharger. Now install bolts (9) that hold the adapter to the turbocharger, but do not tighten the bolts.E. Use the same procedure for the other coupling, adapter and turbocharger.F. Loosen bolts (7) and (8). Loosen or remove bolts that hold exhaust pipe to exhaust elbow (1).G. Shake the exhaust elbow to be sure that the couplings and metal seals are not binding. Now position exhaust elbow in alignment with the turbochargers.H. Tighten the bolts snugly (not tight) in the sequence that follows: a. Support bracket to exhaust elbow bolts (7).b. Support bracket to flywheel housing bolts (8).c. Adapter to turbocharger bolts (9).J. Hit adpters (2) lightly with a soft hammer, and check alignment of parts again.K. Now tighten all bolts again in same sequence.L. Install and tighten bolts that hold exhaust elbow to exhaust pipe.