TB 9-2320-279-13&P-4
0012
NOTE
M870/M870A1 semitrailers have both 12-volt and 24-volt receptacles, use the 24-volt
receptacle.
24. Connect free end of inter-vehicular harness cable plug (30) to receptacle (31) on semitrailer.
NOTE
The M870 and M870A1 semitrailers have different air reservoir configurations (refer to figure
below).
25. Ensure semitrailer air reservoirs (32) have drain cocks (33) in closed position.
32
33
M870 - FRONT AND MIDDLE
RESERVOIRS
32
33
M870 - REAR RESERVOIR
M870A1 - ALL RESERVOIR
Figure 12.
26. With aid of an assistant, disconnect heavy-duty winch cable (14) from semitrailer lifting eye (16) and stow heavy-
duty winch cable (14).