856143A 4 Mariner JET PUMP

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 g03461516
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 to assist removal. Do not use a prybar 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 g03461536
Remove bolts (13) from tube assembly (14).
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) and the cylinder block.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) and gasket (21) (not shown) from tube assembly (20).
Illustration 3 g03461556
Remove nuts (28).
Remove turbocharger (8) from bracket (24).
If necessary, remove studs (23) from turbocharger (8).
If necessary, follow Step 16a through Step 16c 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.Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-5597 Anti-Seize Compound 1
B 365-8434 Turbocharger Alignment Tool 1
343-5908 V-Band Clamp 1
343-5907 V-Band Clamp 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 4 g03461556
Ensure that turbocharger (8) is clean and free from damage. Inspect the turbocharger for wear. Refer to Combined Manual, M0103378, "C7.1 Engines for Caterpillar Built Machines", "Turbocharger - Inspect" for more information. If any part of the turbocharger is worn or damaged, the complete turbocharger must be replaced.
If necessary, follow Step 2a through Step 2b to install bracket (24) onto cylinder block (25).
If necessary, install studs (27) (not shown) to the cylinder block. Tighten the studs to a torque of 18 N m (159 lb in).
Position bracket (24) onto cylinder block (25). Install nuts (26) hand tight.
If necessary, install studs (23) to turbocharger (8). Tighten the studs to a torque of 18 N m (159 lb in).
Illustration 5 g03461576
Position turbocharger (8) onto bracket (24).
Loosely install nuts (28).
Move turbocharger (8) in the Direction (C) to ensure that studs (23) of turbocharger (8) is positioned most forward position in the holes in bracket (24).
Hand tighten nuts (28).