TM 5-2420-230-24-1
COOLING SYSTEM
Contents
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Page
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle Preparation and Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restore IHMEE to Operational Readiness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System Servicing.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan and Hydraulic Motor Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Oil Cooler Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Oil Cooler Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Reservoir Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan Shroud Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Pump Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This chapter contains the procedures that relate to the removal and installation of components associated with the cooling
system. This chapter contains routine maintenance activities and removal and installation procedures for the following
components:
Coolant reservoir
Radiator
Cooling fan motor
Transmission oil cooler
Fan shroud
Water pump
Hydraulic oil cooler
9-2. VEHICLE PREPARATION AND ISOLATION.
Prior to commencement of maintenance on the Interim High-Mobility Engineer Excavator (IHMEE) vehicle, perform the
following procedure:
(1)
Ensure vehicle is positioned on level ground.
(2)
Ensure parking brake is applied (TM 5-2420-230-10).
(3)
Raise Front-End Loader (FEL), install maintenance arm, and lower FEL onto maintenance arm, as required
(4)
Shut OFF engine (TM 5-2420-230-10).
(5)
Place electrical master switch in OFF position (TM 5-2420-230-10).
(6)
Attach "Do Not Operate" tag to ignition switch (TM 5-2420-230-10).
