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 264 of 648

REMOVAL

1.

Remove four retainer rings (Figure 1, Item 3) and flat washers (Figure 1, Item 2) and withdraw two grooved

pins (Figure 1, Item 9) and bushings (Figure 1, Item 10).

2.

Remove two sleeved bushing retainer clips (Figure 1, Item 7).

3.

Swing back brake shoes (Figure 1, Item 1) and remove brake shoes with return spring (Figure 1, Item 6).

4.

Remove two sleeved bushings (Figure 1, Item 8).

5.

Remove six screws (Figure 1, Item 4) and dust shield (Figure 1, Item 5).

END OF TASK

INSPECTION

1.

Inspect springs for rust, obvious defects, and excessive wear. Replace defective spring.

2.

Inspect brake shoe lining for wear. If braking surface is within 0.1875 in. (0.48 cm) of rivet heads or grease

is present, replace brake shoes.

END OF TASK

INSTALLATION

1.

Install dust shield (Figure 1, Item 5) and six screws (Figure 1, Item 4).

2.

Assemble return spring (Figure 1, Item 6), two retainer clips (Figure 1, Item 7), and sleeve bushings

(Figure 1, Item 8) with brake shoes (Figure 1, Item 1).

3.

Position brake shoes (Figure 1, Item 1) on axle spider and complete connection of return spring

(Figure 1, Item 6) to both brake shoes.

4.

Spread each brake shoe (Figure 1, Item 1) apart and insert two bushings (Figure 1, Item 10), grooved pins

(Figure 1, Item 9), four flat washers (Figure 1, Item 2), and retaining rings (Figure 1, Item 3).

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