TM 9-2320-260-34-2
15-67. ELECTRIC HEATER (10 kW) WIRING HARNESS REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP
REFERENCES (TM]
APPLICABLE MODELS
TM 9-2320-260-10
M820, M820A1, M820A2
TM 9-2320-260-20
TEST EQUIPMENT
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
.
TOOLS
External power source disconnected
General mechanic's tool kit
(TM 9-2320-260-10).
Battery ground cable disconnected
(TM 9-2320-260-20).
Ceiling filler and side panels removed
MATERIALS/PARTS
Three insulated wire splices
CAUTION
Use care when replacing wiring harness. Excessive snagging or
pulling may damage wiring harness.
NOTE
Tag wires, cables, and leads for installation.
1.
Remove twelve screws (7) and clamps (6) from van ceiling (4).
Remove grommet (3) from van ceiling (4).
2.
Disconnect wires (2) and (1) from electric heater (9).
3.
Remove thermostat cover (16) from thermostat (14).
4.
Remove two screws (15) from thermostat (14) and control center box (10).
5.
Pull thermostat (14) forward, remove three insulated wire splices (12) from three wires (11) and
6.
wires (13), and remove thermostat (14) from control center box (10). Discard insulated wire
splices (12).
7.
Remove six screws (17) and cover (24) from load center (20).
Remove screw (18) and clamp (25) from mounting plate (19).
8.
Remove setscrew (27) and wire (28) from neutral bar (26).
9.
10.
Remove three screws (22) and wires (23) from 30-amp circuit breaker (21).
NOTE
q Safety wire will be used to install new wiring harness. Do not
cut safety wire from spool until wiring harness has been pulled
through and proper length has been obtained.
q Safety wire must be attached to wires with electrical tape.
11.
Remove electric heater wiring harness (5) from van body (8).
15-252