TM 9-2320-289-20
10-35. PERSONNEL HEATER CONTROL BOX REPLACEMENT (M1010) (Cont).
3.
Disconnect wiring harness (15) from control box (11). Disconnect control box wire assembly
from blower motor lead.
4.
Loosen clamp (8) and disconnect duct hose (9) from weldment (7). Loosen clamp (17) and
disconnect flex hose (16) from weldment. Remove 4 screws (13) from adapter (14). Remove
adapter and flex hose assembly from personnel heater (12).
5.
Using 90 degree angle drill, remove 8 pop rivets (10). Remove control box (11) and clean old
sealant from mating surfaces. Discard pop rivets.
b. INSTALLATION
1.
Apply RTV sealant to inside flange of control box (11). Install control box with 8 new pop rivets
(10).
2.
Install adapter (14) and flex hose (16) assembly on personnel heater (12) with 4 screws (13).
Connect flex hose to weldment (7) and tighten clamp (17). Connect duct hose (9) to
weldment and tighten clamp (8).
3.
Connect control box (11) wire assembly to blower motor lead. Connect wiring harness (15) to
control box.
TA50029
10-128