TM-5-2350-378-23-P

ARMORED COMBAT EARTHMOVER (ACE), M9; HYDRAULIC DIAGNOSTIC CENTER

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

JUNE 2012

TM-5-2350-378-23-P - Page 353 of 644

Table

1.

Preventive Maintenance Checks and Services (PMCS) - Continued.

ITEM

NO.

INTERVAL

ITEM TO BE

CHECKED OR

SERVICED

PROCEDURE

EQUIPMENT

NOT READY/

AVAILABLE IF:

I0003HDC

Figure 3.

Hydraulic Diagnostic Center (HDC) Control Box.

c.

Check condition of HDC Power Cable W1, 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.

4

Weekly

HDC System

Hydraulic

Components

(Figure 4)

a.

Check all HDC hydraulic hoses, tubes, and

fittings for damage, loose clamps, improper routing,

leaks, and chafing.

Any condition would

prevent safe operation of

vehicle.

b.

Check fittings for evidence of leaks and

looseness. Do not overtighten hoses, tubes, or fittings.

CLAMP

TUBE

FITTINGS

HOSE

I0004HDC

Figure 4.

Hydraulic Hoses, Tubes, and Fittings.

TM 5-2350-378-23&P

0023

0023-3