ORGANIZATIONAL TROUBLESHOOTING - Continued
STEWART-WARNER 10560C24, 10560M, 10560M24B1, 10560G - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. SHORT IGNITOR LIFE
WARNING
The flame detector switch does not control heater temperature.
Misadjustment of flame detector switch can cause damage to the heater and
may result In Injury to personnel. Detector switch must be adjusted when
heater is cool.
Step 2.
Step 3.
Adjust flame detector switch (page 2-43).
Check to make sure igniter lead (1) is connected to ignition control (2) at terminal nearest
the flame detector switch (3).
If ignitor lead is connected to the wrong terminal, move it.
CAUTION
Make sure multimeter Is set for dc voltage function before performing step 4 to
avoid damage to equipment.
Step 4. Measure ignitor voltage by placing multimeter leads across terminal of ignition control (2)
and ground.
If meter reading is more than 12 volts, replace ignition control (page 2-47).
Step 5. Install guard (page 2-42).
6. HEATER SHUTS OFF PREMATURELY
NOTE
This malfunction only applies when air inlet temperature is 60°F (16°C) or above.
Check to see if heater is or was operating in HI setting.
Operate heater in LO setting only.
2-30
TM 9-2540-205-24&P
