TM 55-1520-240-23-10
13-57
INSTALL HEATER CONTROL RELAY BOX
13-57
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Cloths (E120)
Gloves (E186)
Methyl-Ethyl-Ketone (E244)
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Methyl-ethyl-ketone (E244) is
flammable and toxic. It can irritate
skin and cause burns. Use only in
well-ventilated area, away from heat
and open flame. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
1.
Clean bonding points on heater control relay box
(1) and structure (2). Use methyl-ethyl-ketone
(E244) and cloths (E120). Wear gloves (E186).
2.
Align holes in heater control relay box (1) and
structure (2). Install four screws (3), washers (4),
four clamps (5), and two spacers (6).
3.
Connect electrical connector (7) to heater control
relay box (1).
INSPECT
FOLLOW-ON MAINTENANCE:
Install temperature controller (Task 13-59).
Perform operational check of heating system (TM
55-1520-240-T).
Install heater compartment acoustic blanket (Task
2-210).
END OF TASK
13-167
