Section VI. OPERATION UNDER UNUSUAL CONDITIONS
heaters in extreme heat because of rapid evaporation
of the fuel under these conditions.
a. During extremely cold weather, operate heater
in a shelter if possible. Be sure to pipe exhaust
from heaters with dry cloths to keep the equipment
fumes outside.
as free as possible of moisture.
b. If heater must be operated outside, provide a
windbreak such as a tent, building, truck, or tarpau-
lins.
c. Leave burning lighter in the flue compartment
a. Up-end the heater before each operation to drain
for 4 or 5 minutes instead of the usual 2 minutes
any water from combustion chamber.
when preheating the flue.
b. Protect the heater with an overhead shelter
d. In very severe weather, use two lighters simul-
whenever possible.
taneously; insert one lighter in the flue compartment
c. Do not expose burner to moisture. The asbestos
and the other in the burner compartment.
layer in the burner will absorb water and this will
interfere with operation of the heater.
a. Exercise great care in lighting and operating
Section VII. OPERATOR'S AND ORGANIZATIONAL MAINTENANCE
Organizational maintenance repair parts are listed
No special tools or equipment are required by the
in section XV of this chapter.
operator or organizational maintenance personnel
for maintenance of the immersion heater.
Section VIII. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
5-18. General
they result in serious damage or failure. The neces-
To insure that the immersion heater is ready for
sary preventive maintenance checks and services to
operation, systematically check the space heater so
be performed are listed and described in table 5-1.
that defects may be discovered and corrected before
Section IX. OPERATOR'S MAINTENANCE
5-19. General
for dents or broken welds. Broken welds should be
reported to direct support maintenance.
This siiection contains information for the operator's
(2) Inspect stock partition for holes or broken
maintenance of the immersion heater. The mainte-
welds. Broken welds and holes in stock partition
nance includes a visual check of the assembly.
should be reported to direct support maintenance.
a. Inspect.
(1) Refer to figure 5-6 and inspect heater body
