TM 10-4520-259-13&P
2-10.
PREPARATION FOR-USE. (CONT)
i.
Ensure the smoke pipe elbow (14), cap and guard assembly (15) and two lengths of stove pipe
(16) are securely installed on the M-80. Ensure the exhaust duct (18) is securely installed on the M-85.
j.
Open vent valve (17).
k.
Set water temperature control to desired setting.
2-11.
START UP PROCEDURES. (Fig. 2-5)
a.
Ensure procedures in paragraph 2-10 have been performed.
b.
Ensure power source is on.
c.
Tun water pump on.
d.
Bleed water heater by opening vent valve (1). Close vent valve when completely bled.
e.
Open fuel valve (2) and tun power switch ON (3).
f
Combustion should occur within seven seconds. Observe through combustion chamber sight
glass (4).
g.
If combustion fails to occur, water heater will automatically attempt to re-ignite. If combustion still
does not occur, buzzer (5) sounds and water heater shuts down.
h.
When buzzer sounds, press safety reset button (6). E combustion still does not occur within two
minutes, troubleshoot in accordance with paragraph 3-3.
i.
After start up, exhaust gasses from exhaust stack (7) or exhaust duct (I 1) should be transparent
and smokeless. If smoke is present, slowly adjust air band (8) on blower assembly (9) until exhaust gasses are
transparent and smokeless (See step 1, below). The water heater is now in automatic operation.
NOTE
Varying the air band position adjusts the ratio of air to fuel.
Normal vibration of the water heater may change the airband
adjustment. Check frequently for the presence of smoke.
Change 2
2-22
