TM 9-2350-261-34
FINAL TEST - COOLANT HEATER — Continued
0070 00
EXHAUST COLLECTOR
1.
Conduct the heater exhaust away from the test area. Use an exhaust extension made of flexible hose (7) not more
than 10 feet long.
TESTING
1.
A complete test of the coolant heater consists of the following:
a.
Fuel flow test (WP 0062 00).
b.
Burn test.
c.
Restriction thermostat test.
d.
Thermostatic switch test.
e.
Combustion air blower test.
2.
Obtaining equipment for the combustion air blower test may be difficult. Do not do this test if the heater burns properly
and the igniter cavity does not show undue carbon deposits.
007000-5