Air Intake and Exhaust System
02
080
23
RG,RG34710,251 –19–13AUG99–1/2
Remove and Install Aftercooler Assembly
(6105A and 6125A Engines)
RG8439 –UN–09DEC97
Aftercooler Coolant Piping
RG8441 –UN–09DEC97
Removing Aftercooler
A—Coolant Inlet Hose
B—Coolant Outlet Hose
C—Air Inlet Adapter
D—Aftercooler Assembly
Remove Aftercooler Assembly
CAUTION: Explosive release of fluids from
pressurized cooling system can cause serious
burns. Wait until engine coolant is below
operating temperature before draining. Slowly
loosen radiator filler cap to first stop to relieve
pressure.
1. Drain engine coolant.
2. Clean area surrounding aftercooler intake piping to
prevent debris from entering intake system as parts are
removed.
3. Remove coolant inlet hose (A) and outlet hose (B) from
aftercooler end connections.
4. Remove air inlet adapter (C) from aftercooler inlet.
5. Refer to machine technical manual to disconnect all
sensors and starting aid.
6. Remove aftercooler assembly (D) with gasket using
two guide pins at upper outside cap screw locations.
Discard gasket.
Install Aftercooler Assembly
1. Install aftercooler assembly using a new gasket and
two guide pins at upper outside cap screw locations.
2. Apply PT569 NEVER-SEEZ
Compound to
aftercooler-to-cylinder head cap screws. Install cap
screws and tighten to specifications.
Specification
Aftercooler-to-Cylinder Head Cap
Screws—Torque 35 N•m (26 lb-ft)..............................................................
3. Install coolant inlet and outlet hoses and tighten
clamps securely.
NEVER-SEEZ is a registered trademark of Emhart Chemical Group
CTM100 (06APR04)
02-080-23
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=323
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