Spark Plug - DESA Heating Products BLP170VTA El Manual Del Propietario

FAN
1.. Remove.motor,.motor.mount.and.fan.(see.
Motor,.steps.1.through.8,.page.8).
2.. Clean.fan.using.soft.cloth.moistened.with.
kerosene.or.solvent.
3.. Dry.fan.thoroughly.
4.. Replace. fan. on. motor. shaft.. Make. sure.
setscrew is touching back of flat surface
on.motor.shaft.(see.Figure.6).
5. Place setscrew on flat of shaft. Tighten
setscrew. firmly. (40-50. inch-pounds.
[46.08-57.60.kg-cm]).
6.. Place.motor,.motor.mount..and.fan.guard.
into.rear.of.heater.shell.(see.Motor,.steps.
14.through.18,.page.8).
Fan
Figure 6 - Fan, Motor Shaft and
Setscrew Location
Hub
Setscrew
Figure 7 - Fan Cross Section
SPARK TRANSFORMER
1.. Remove.access.panel.
2.. Locate.and.disconnect.white,.black..and.
orange.wires.from.spark.transformer.
3.. Remove.screw.holding.spark.transformer.
to.base..Remove.sheet.metal.nut.on.trans-
former. and. install. on. new. transformer..
Discard.spark.transformer.
4.. Install. new. spark. transformer.. Position.
new.spark.transformer.in.same.manner.
as.old.transformer.
5.. Connect.white,.black..and.orange.wires.
to.new.spark.transformer..Connect.wires.
to. correct. terminals. as. noted. in. Wiring
Diagram,.page.10.
6.. Replace.access.panel.
121232-01A
serViCe ProCedures
Setscrew
Motor.Shaft
Fan
Motor.
Shaft
www.desatech.com
Continued
Spark.Plug.
Wire
Bushing
Figure 8 - Removing Spark Plug Wire
from Spark Transformer (Heater may

SPARK PLUG

1.. Remove.motor,.motor.mount..and.fan.guard.
(see.Motor,.page.8,.steps.1.through.6).
2.. Remove. orange. spark. plug. wire. from.
spark.plug.
3.. From. front. of. heater. loosen. 3/4". hex. nut.
holding.spark.plug.in.place.(see.Figure.9).
4.. Remove.spark.plug.from.rear.head.
5.. Install.new.spark.plug..Attach.spark.plug.
to.rear.head.with.ignitor.hex.nut.removed.
in.step.3.
6.. Attach.spark.plug.wire.
7.. Test.for.spark.
WARNING: Make sure heater
is disconnected from propane
supply. Heater could ignite caus-
ing severe burns.
. Plug. into. extension. cord. and. watch. for.
spark.at.spark.plug.
8.. Place.motor,.motor.mount..and.fan.guard.
into.rear.of.heater.shell.(see.Motor,.steps.
14.through.18,.page.8).
Spark.Plug
Figure 9 - Removing Spark Plug Nut and
Spark Plug (Heater may vary from illustration)
vary from illustration)
3/4".Hex.
Nut
Rear.Head
9