TM 5-2420-230-24-1
PNEUMATIC SYSTEM
Contents
Para
Page
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle Preparation and Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restore IHMEE to Operational Readiness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Draining Air System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Valve Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Tank Replacement.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Control Valve Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Line Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Governor Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Compressor Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Drier Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Drier Desiccant Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
a. Pneumatic System. This section identifies the components associated with the pneumatic system. There are no
routine maintenance activities (other than visual inspection) detailed for the following components:
NOTE
The components listed below are of such a physical nature that maintenance requirements consist only
of periodic visual inspection by the operator or maintenance personnel. If one of these components
malfunctions or is determined to be defective, refer to repair or installation procedures detailed in the
relevant manufacturer's maintenance manuals.
Air compressor
Governor
b. Components. Procedures for other components that do require maintenance are included in this chapter. These
components include:
Air tanks
Air drier
Air drier desiccant
15-2. VEHICLE PREPARATION AND ISOLATION.
Prior to performing any maintenance on the Interim High-Mobility Engineer Excavator (IHMEE) vehicle, complete the
following procedure:
(1)
Ensure vehicle is positioned on level ground.
(2)
Ensure parking brake is applied (TM 5-2420-230-10).
(3)
Raise FEL, install maintenance arm, and lower FEL onto maintenance arm, as required (TM 5-2420-230-10).
(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).