TM-5-2330-325-13-P

SEMITRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER (MHET), 40 TON, M870A3

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

JUNE 2014

TM-5-2330-325-13-P - Page 354 of 648

REMOVAL

1.

Release all pressure from hydraulic lines by disconnecting gooseneck hydraulics from power.

CAUTION

Cap or plug all ports and hose ends to prevent contamination of hydraulic oil. Failure to

comply may result in damage to, or destruction of, equipment or mission.

NOTE

Tag all wires, hoses, tubing, and connections prior to removal for ease of installation.

2.

Disconnect five hydraulic lines (Figure 1, Item 4) from rear and side of control valve (Figure 1, Item 1) inlet

and outlet ports and cap or tape closed openings in ports and lines.

3.

Tag and disconnect hydraulic line (Figure 1, Item 3) from pressure gage (Figure 1, Item 2).

4.

Loosen and remove three mounting bolts (Figure 1, Item 5), washers (Figure 1, Item 6), and self-locking

nuts (Figure 1, Item 7) securing hydraulic control valve (Figure 1, Item 1) to gooseneck and remove control

valve (Figure 1, Item 1) and pressure gage (Figure 1, Item 2). Discard self-locking nuts (Figure 1, Item 7).

5.

Loosen and separate pressure gage (Figure 1, Item 2) from control valve (Figure 1, Item 1).

466-0085

4

5, 6, 7

2

3

4

1

4

Figure 1.

Hydraulic Control Valve and Pressure Gage Replacement.

END OF TASK

DISASSEMBLY

Remove all fittings from hydraulic control valve.

END OF TASK

TM 5-2330-325-13&P

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