Section Il. TROUBLESHOOTING
24-3. Swingfire Heater.
Table 24-1 presents
troubleshooting data for the Swing-
Table 24-1. Swingfire Heater Troubleshooting
Type of Trouble
DOES NOT START
a. Valve dirty
Clean membrane valve.
Repair damaged membrane.
b. Membrane sticks
Keep interior of housing clean.
c. Membrane damaged
When Swingfire is operating keep
cover closed. Do not remove rubber
plug at the side of housing. Dirt could
Mixing chamber clogged
Clean mixing chamber, preheating
plug, and spark plug.
Tighten tank cover or main filter cover
a. Tank cover or cover over main
or replace gaskets if necessary.
Tighten main filter cover. Replace
b. Main filter cover leaks
gasket if necessary.
c. Air valves leak
Clean air valves, check gaskets, and
replace damaged gaskets.
Dismantle and clean valve, replace
d. Control air shut-off valve leaks
gasket if necessary. When pushing the
or is stuck.
pressure pin in, it must bounce back.
e. Air lines leak
Check connections and replace gaskets
f. Fuel lines leak
Tighten connections and replace gaskets
Tighten carburetor screws.
g. Carburetor leaks at mixing
Remove pump and repair.
h. Diaphragm air pump fails
Remove and clean filter.
Lack of fuel supply
Main fuel filter dirty
Check 24 volt battery system.
Lack of current (no humming
a. No current available from
sound when igniting)
Replace circuit breaker.
b. Circuit breaker not working.
c. Plug is not properly grounded
Repair or replace cable.
d. Defective cable
e. Defective plug
f. On/off switch defective
g. Electric connections loose
h. Broken cable
at fastening screw
j. Points are oxydized or burnt
k. Vibrator starting coil damaged
a. Spark plug clogged or damaged
Clean or replace spark plug.
Lack of ignition (humming tone
b. Ignition cable plug damaged
c. Ignition cable damaged