91717M Mariner GASKET, HEAD COVER

Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2 Start By:
Remove the fuel control valve. Refer to Disassembly and Assembly, "Fuel Control Valve - Remove and Install".
Remove the throttle control valve. Refer to Disassembly and Assembly, "Throttle Control Valve - Remove".
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.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the two-stage cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01684299
Attach Tooling (A) and a suitable lifting device to aftercooler (1). The weight of aftercooler (1) is approximately 323 kg (711 lb).
Support the air cleaner lines and remove U-bolts (5) from both sides. Remove bolts (3) and remove bracket (2).
Remove bolts (8), the retainers, the O-ring seals, and tube assembly (9).
Remove bolts (10), the retainers, the O-ring seals, and tube assembly (11).
Remove bolts (6), the washers, and tubes (7) from both sides of aftercooler (1).
Disconnect tube assembly (13). Remove bolts (4).
Remove bolts (12 ) from aftercooler (1) to the support assembly.
Illustration 2 g01684302
Remove bolts (17), the retainers, the O-ring seals, and tube assembly (18).
Remove bolts (19), the retainers, the O-ring seals, and tube assembly (20).
Disconnect tube assembly (14).
Remove bolts (16) and remove actuator assembly (15).
Remove aftercooler (1) from the engine. Removal Procedure for TPC00140, ; TPC01002-01004, ; TPC01100-up, and ; GLF001100-up
Start By:
Remove the gas pressure regulator solenoid. Refer to Disassembly and Assembly, "Gas Pressure Regulator Solenoid - Remove".
Remove the fuel control valve. Refer to Disassembly and Assembly, "Fuel Control Valve - Remove and Install".
Remove the fuel control actuator. Refer to Disassembly and Assembly, "Fuel Control Actuator - 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.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system into a suitable container for storage or disposal.
Illustration 3 g01354966
Remove tube assembly (1).
Remove clamp (2) that fastens the harness assembly to the aftercooler.
Remove tube assembly (3).
Remove tube assembly (4).
Remove tube assembly (5).
Remove bolts (6), the washers, and the nuts to elbows (7).
Remove elbows (7) and the O-ring seals.
Illustration 4 g01354989
Remove clip assemblies (8) and (10) on each end of tube assembly (11).
Remove bolts (9) and reposition tube assembly (13).
Remove bolts (12) and reposition tube assembly (14).
Remove bolts (15), the washers, and the nuts on each side of the aftercooler.
Illustration 5 g01354990
Remove clip assembly (16) and remove tube assembly (18).
Remove bolts (22) and the gasket. Remove nuts (17) and the clamp assembly. Remove adapter (20).
Remove bolts (19) and (21) from the clip assemblies.
Remove bolts (23) and the gasket. Remove nuts (25) and the clamp assembly. Remove adapter (24).