TB 9-2320-279-13&P-4
OPERATOR MAINTENANCE
CONNECT/DISCONNECT M870A3 SEMITRAILER
INITIAL SETUP:
Not Applicable
CONNECT M870A3 SEMITRAILER
CAUTION
The following are general procedures for connecting the M870A3 semitrailer to a tractor vehicle.
Always refer to TM 5-2330-325-14&P for specific instructions with regard to operating the
semitrailer. Failure to comply may result in damage to equipment.
Lockouts must be positioned as identified in Table 1. Failure to comply may result in damage
to equipment.
NOTE
This procedure is a two soldier task.
Tractor vehicle is equipped with fifth wheel to accept 3.5 in. (89 mm) kingpin.
If fifth wheel lockouts are NOT positioned correctly, complete Steps (1) and (2).
If fifth wheel lockouts are positioned in the correct mode, skip to Step (3).
1. Refer to Table 1 to determine whether lockout assembly lockrings are in correct position.
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