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 313 of 524

TM5-2330-378-14&P

5-20. GOOSENECKHINGEPINREPLACEMENT(M870A1)(continued).

WARNING

Beforeremovinghingepin,the partbeingfreedmustbe supported.If hingepin Is

beingremovedfromlowerlinkassembly,supportendof lowerlink assemblywith

dollyjack. If hingepinis beingremovedfromupperlinkassembly,upperlinkmust

besupportedby overheadhoist. Failuretodoso mayresultIn injuryor death.

8.

Remove hinge pin (4) from upper link

0

assembly (7) or lower link assembly (8).

2

2

5

4

0

7

0

4

8

3

b.

INSTALLATION

L_J

I .

Drive hinge pin (4) into upper link assembly (7) or lower link assembly (8).

2.

Using crane, raise gooseneck (5) to upright position.

3.

Install lockpin (para 2-8).

4.

Install new cotter pin (3) on hinge pin (4).

5.

Remove hydraulic jacks from under upper-deck side rail (6).

6.

Using crane, raise front of semitrailer. Remove two wood blocks (1) from under two landing pads (2).

FOLLOW-ON TASKS:

- Lower gooseneck (para 2-10).

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