TM-5-2350-378-24-P

HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

TM-5-2350-378-24-P - Page 536 of 790

TM 5--2350--378--24&P

0024 00--3

PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INSTRUCTIONS --

Continued

0024 00

Table 1. Unit Level Preventive Maintenance Check and Services for

M9 ACE HDC System -- Continued

ITEM

NO.

INTERVAL

ITEM TO BE

CHECKED OR

SERVICED

PROCEDURE

EQUIPMENT

NOT READY/

AVAILABLE IF:

4

Weekly

HDC System

Electrical Components

a.

Check that all HDC electrical

connections and connectors

are clean and tight.

b.

Check condition of HDC

Control Box and Umbilical

Cable Assembly W4.

Any condition would

prevent safe

operation of vehicle.

Figure 3. HDC Control Box

c.

Check condition of HDC

Upper Cable Assembly W2

and Lower Cable Assembly

W3.

d.

Check HDC system solenoid

valves and pressure transducer

electrical connectors for

proper connections and tight

fit. Tighten as required.

Any condition would

prevent safe

operation of vehicle.