32. Red and green needles of AIR PRESS gauge (25) must indicate at least 100 psi (690 kPa) before transporting
33. Transport M870A3 semitrailer (refer to TM 5-2330-325-14&P for semitrailer specific operating procedures).
DISCONNECT M870A3 SEMITRAILER
The following are general procedures for disconnecting the M870A3 semitrailer from 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.
This procedure is a two soldier task.
1. Position tractor vehicle and semitrailer.
2. Set transmission range selector (1) to N (neutral).