Position
the
other
half
of
the
blower hous-
ing over
the
blower wheel
aligning
the
four
screw holes in
the
two housing halves.
Install
the
fou r screws
and
Tinnerman
fasteners.
Tighten
screws securely.
If
the
coupling connector was
removed from
the
motor
shaft
for
any
reason,
hold the blower wheel
and
install
the
new con-
nector on
the
threaded
end
of
the
motor
shaft.
Tighten
connector on
shaft
finger
tight.
Position coupling between shoulders of con-
nector on
the
motor
shaft,
making
ce
rtain
that
the shoulders of the connector fit firmly in
the
grooves of
the
coupling
without
distortion
of
the coupling.
It
may be necessary to bend the
connector shoulders
in
or
out slightly until
the
proper
fit is obtained. R
epeat
this
procedure
with
the
fuel pump coupling connector.
After
proper
fit is obtained, install connector
on
fuel
pump
shaft
finger
tight.
Position fuel
pump
as-
sembly over
molar
mounting
studs
(top
of fuel
pump
must
be
in a gene
ral
line with lhe two
wires coming
out
of the
motor),
using
exireme
care
to guide the ruel
pump
coupling connector
shoulders over the
proper
grooves in
the
cou-
pling.
Install
the two lockwashers
and
nuts
on
the fuel
pump
mounting studs.
Tighten
nuts
securely.
Rotate
blower wheel to make
certain
that
ii
rotates
freely.
Installation
Position
the
burner
blower and fuel
pump
as-
sembly in the mounting bracket. The fuel
pump
assembly
must
be
in
the
up-right
position
and
nearest
the
fender
splash shield. In
stall
the
mounting
bracket
clamp halves,
making
certain
that
the
motor
wires
are
to the
right
of
the
clamp, as viewed from
the
front
of
the
vehicle.
Tighten clamp screw securely.
Slide
the
spring
type clamp over
the
burner
blower hose and install hose onto blower hous-
ing and position clamp.
Connect
the
fuel line from
the
engine fuel
pump to
the
"inl
et"
side of
the
burner
blower
fuel pump.
Tighten
fitting securely.
Connect
the
fuel line leading to
the
heaier
to
ihe
"outlet"
side
of
the
fuel pump.
Tighten
fit-
ting
securely.
Connect motor
ground
wire
to
fender
splash
shield
and
the
lead
wire
to the Wade connector
leading to
the
ignition unit.
Refer
to
wiring
diagram,
Figure
3.
90
CLEANI
NG
AND INSPECTION
Cleaninq
Clean
the
no
?zle
with
volatile
mineral
spirits
or
dry
cleaning solvent and blow
oui
the
metering
hole and screen
with
compressed
air.
Clean the
burner
and
exchanger
housing
with
vo
latile
mineral
spirits
or
dry
cleaning solvent
and
dry
with
compressed air.
If
fuel line inlet
screen is
noi
ihoroughly clean, remove, discard
and replace screen.
Clean carbon from
spark
plug porcelain
and
electrode.
Inspection
In
spect
thermostat
helix coil
guard
for
distor-
tion.
Straighien
if
necessary.
Inspect
micro-switch
wire
terminals
for loose
attaching
screws.
Tighten
if
necessary.
NOTE:
The thermostat assembly has been
cali,.
brated at the factory
in
accordance
with
speci-
fied
temperatw·es and
no
attempt should
be
?nade
to
adjust 01· alter the mic1·0-switch or the
lJiastic cam.
In
spect
the
heater
burner
blower motor
mounting
bracket
rubber
pads
for
loo
seness
or
deterioration. Re-cement
or
replace
as
necessary.
Inspect
fuel pump assembly for cracked hous-
ing, loose sc
rew
s,
distorted
or
crac
ked fuel line
fittings.
Tighten
loose screws
and
replace
dam-
aged fuel line fittings.
If
fuel
pump
housing is
damaged, replace complete assembly.
Inspect
fuel pump coupling connector for broken
or
dis-
tortcd
shoulders. Replace connectOl· if necessary.
In
spect blower wheel
for
st
ripped
threads,
excessively worn
shaft
hole, and broken
or
dis-
torted
blades.
Repair
or
repla
ce
as
necessary.
Inspe
ct
blower housing halves
for
broken
studs, distortion or
other
visible damage. Re-
pair
or
replace housing
as
necessary.
Inspect
motor
mounting
to blower hou
sing
brackel
for looseness, worn
or
deteriorated
grommets. Replace damaged
grommets
and
tighten
mounting
stud
nuts
evenly, so
as
io in-
s
ur
e equal space between blower wheel and
housing when assembled.
If
motor is
burned
out
01'
damaged in any way,
the
complete
motor
assembly
must
be replaced.
Inspect coupling connector on end of
motor
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