TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 307 of 524

TM 5-2330-378-14&P

5-17. LOWERLINK ASSEMBLYREPLACEMENT(M870)(continued).

6

0

9

8

12

5

7

13.

Using two dolly jacks, support lower link assembly

(12) at each end.

5

14.

Screw slide hammer rod into nut (10). Usingslide

hammer, remove hinge pin (5) from semi-trailer

4

frame (3). Repeat for other hinge pin (5).

11

15.

Using two dollyjacks,

lowerand remove lowerlink

assembly (12) from gooseneck (6).

3

b.

INSTALLATION

1.

Place dolly jacks under front and rear ends of new lower link assembly (12). Slide lower link assembly (12)

into gooseneck (6) and raise into position.

2.

Drive two hinge pins (5) into lower link assembly (12).

If using old hinge pins, cut off nuts (10) and grind

weldment

smooth.

3.

Install two lubrication fittings (9) in two hinge pins (5).

4.

Remove two dolly jacks from lower link assembly (12).

5.

Using crane, raise gooseneck (6) to upright position.

6.

Install two lockpins (pare 2-8).

7.

Remove hydraulic jacks from under upper deck side rail (8).

8.

Behind semitrailer frame (3), install retaining ring (4) on hinge pin (5) and weld (refer to TC 9-237). Repeat

for other hinge pin (5).

9.

Using crane, lift gooseneck (6). Remove two wood blocks (1) from under two landing pads (2).

FOLLOW ON TASKS:

• Lower gooseneck (2-10).

• Unchock wheels (2-8).

5-45