VALVE GP-CHECK 1276844 - Caterpillar

Removal Procedure
Start By:
Remove the flexible exhaust pipe that connects the turbocharger to the clean emission module. Refer to Disassembly and Assembly, "Flexible Exhaust Pipe - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Loosen the hose clamp and disconnect the air inlet hose from the turbocharger.
Illustration 1 g02176245
Loosen the allen head bolt on V-band clamp (2) and the allen head bolt on V-band clamp (7) from elbow (1). Note: If V-band clamp (2) and V-band clamp (7) remain tight on the flanges, apply releasing fluid on the V-band clamps. Lightly tap the bolts on the V-band clamps with a soft faced hammer in order to assist removal. Do not use a prybar in order to remove V-band clamps.
Remove elbow (1) from turbocharger (3) and turbocharger (8). Note: Plug the open ports of the turbochargers.
Remove bolt (10) and bolt (6) (not shown). Disconnect hose assembly (9) from turbocharger (8). Position the tube and hose assembly (9) away from the turbocharger.
Loosen allen head bolt on V-band clamp (4) from air duct (5) and loosen hose clamp (11). Remove hose assembly (12) and air duct (5) from the outlet of turbocharger (8) and inlet for turbocharger (3). Note: Plug the open ports of the turbochargers.
Illustration 2 g02176246
Remove bolts (13) and remove banjo bolt (17). Remove sealing washers (16) (not shown).
Remove tube assembly (14) from turbocharger (8). Note: Plug the oil feed tube assembly for the turbocharger. Plug the port on the turbocharger. Plug the port in cylinder block for the oil feed tube assembly.
Remove gasket (15) (not shown).
Remove bolts (18) and bolts (22).
Remove tube assembly (20) from turbocharger (8). Note: Plug the drain tube assembly for the turbocharger. Plug the port on the turbocharger. Plug the port in cylinder block for the drain tube assembly.
Remove gasket (19) (not shown). Remove gasket (21) (not shown) from tube assembly (20).
Illustration 3 g02176247
Remove nuts (28).
Remove turbocharger (8) from bracket (24).
If necessary, remove studs (23) from turbocharger (8).
If necessary, follow Step 15.a through Step 15.c in order to remove bracket (24) from the cylinder block.
Remove nuts (26).
Remove bracket (24) from cylinder block (25).
If necessary, remove studs (27) (not shown) from the cylinder block.