To permit shifting the components for alignment, do not tighten any capscrews until
instructed to do so. Lubricate all packings just prior to installation using petrolatum W-P-236.
Ensure that all water has been removed from core exterior prior to installation.
Install the aftercooler supports (40, Figure 9-78) using lockwashers (39) and chews (37 and 38). Tighten
the chews to 90 to 110 pound-feet (122 to 149 newton-meters).
Install the plates (36) on the supports (40) using lockwashers (32), washers (33), and hexagon head screws
(31). Tighten the screws to 40 to 50 pound-feet (54 to 68 newton-meters).
A minimum of two persons, will be required to perform the following procedure. Due to the
weight of the aftercooler, personal Injury may result from failure to comply with this warning.
Position the aftercooler assembly on the plates (36), and install the capscrews (35) and lockwashers (32)
Install gasket (26) and packings (23), position the housing (25) and inlet connection (20) assembly to the
cylinder block and adapter connections (17). Install the screws (19 and 24) using the lockwashers (2), and
tighten the capscrews finger tight.
Install seals (16) and packings (15), position the outlet connection (1 4) to the adapter connections (17) and
outlet pipes (12). Install the capscrews (11 and 13) using the lockwashers (2), and tighten the capscrews
Install gaskets (10). Install the crossover connections (9), washers (3), lockwashers (2), and capscrews
(1).Tighten the capscrews finger-tight.
Install packings (8) and insulation on the tubes (7), and install the tubes in the crossover connections (9).
Apply a small amount of sealant, MI L-S-45180, to the threads of the ether jets (6), and install them in the
crossover housings (4). Tighten the jets to 75 to 85 pound-inches (8.5 to 9.6 newton-meters).
Position gasket (5) on the intake manifold (46), slip the crossover housings (4) onto the tubes (7), and
install the washers (3), lockwashers (2), and capscrews (1). Tighten the capscrews finger fight.
Check the alignment of all air and water connections. Shift the housings and connections as necessary to
achieve alignment, and tighten all loose capscrews alternately and evenly in three stages to the following
Aftercooler assembly to-plate capscrews (35); 40 to 50 pound-feet (54 to 68 newton-meters).
Outlet housing capscrews (24) and screws (19, 13, and 11); 30 to 35 pound-feet (41 to 47 newton-
Crossover housing and connection capscrews (1); 30 to 35 pound-feet (41 to 47 newton-meters).
(11) Install the air bleed hose assemblies to the radiator and aftercooler in accordance with the Operator and
Organizational Maintenance Manual.
(12) Install the ether line tubes, and the ether jets and associated fittings to the intake manifold crossover housings in
accordance with the Operator and Organizational Maintenance Manual.
(13) Install the air control valve assembly and support channels to the aftercooler, and install the air filter tubing
assembly on the engine left side in accordance with the Operator and Organizational Maintenance Manual.
(14) Install the turbochargers and the turbocharger oil hose assemblies secured to the aftercooler in accordance with the
Operator and Organizational Maintenance Manual.