TM 9-2320-272-24-1
1.
Remove
four hose clamps (11) and two hoses (12) from aftercooler tubes (8) and aftercooler (13).
2.
Remove
two screws (4), clamps (5), and breather tube (6) from valve cover (7).
3.
Remove
two hose clamps (3) and hose (2) from vent connector (1) and breather tube (6).
4.
Remove
hose clamp (9) and hose (10) from breather tube (6).
WARNING
Drycleaning solvent is flammable and toxic. Do not use near an
open flame and always have a fire extinguisher nearby when
solvents are used. Use only in well-ventilated places, wear
protective clothing, and dispose of cleaning rags in approved
container. Failure to do this may result in injury to personnel
and/or damage to equipment.
1.
Clean breather tube (6) with drycleaning solvent and dry with clean rag.
NOTE
Perform step 2 for M939/A1 series vehicles and only if previously
removed.
2.
Clean crankcase breather (14) and mating surface on valve cover (16).
3.
Inspect breather tube (6) for obstructions and kinks that could cause restrictions. Remove
obstructions; replace if kinked.
4.
Inspect hose (10) for obstructions, flat spots, or other deformities that could cause restrictions.
Remove obstructions; replace hose (10) if bent, deformed, or torn.
1.
Install
hose (10) on breather tube (6) with clamp (9).
2.
Install
hose (2) on breather tube (6) and vent connector (1) with two clamps (3).
3.
Install
two clamps (5) on valve cover (7) with two screws (4).
4.
Install
two hoses (12) on aftercooler (13) and aftercooler tubes (8) with four clamps (11).
CAUTION
For M939A2 series vehicles, ensure drainvalve on aftercooler is
open when filling cooling system. Failure to do so may result in
damage to equipment.
3-4