TM
9-4940-660-14&P
e . When production
run
is
completed,
place
the
switch
to
COOL .
f.
When nozzle has cooled, place the switch on
OFF
and
re-
move the plug from the electrical outlet.
SECTION IV
TROUBLESHOOTING AND REPAIR
8.
Repair
Repair is limited to the replacement of defec-
a.
General.
tive components and can be accomplished with standard
hand tools.
Disassembly.
b.
Disassemble only to
the
extent
required
to
effect replacement and repair.
Disconnect
power
cable
from
the
electrical
outlet.
(1)
(2)
Pull
the
nozzle
shield
(4)
off
the
nozzle
(6).
Remove
screw
(5)
and
remove
nozzle
(6)
carefully.
(3)
Remove retainer ring (7) from
inside
the
nozzle
and
(4)
remove nozzle screen (8).
Remove screw (9) and washer (10) and remove intake
(5)
cover (11).
Remove three screws
(12) and
(13)
and
(6)
remove cover housing
(14).
With wrench loosen screw
in
blower
wheel
(15)
(7)
and remove blower wheel.
Remove two nuts (16) and washers (18) to disconnect
(8)
heater wires.
Label all electrical leads.
(9)
Remove screw (17) and washer and remove heater
element
(19) and two mica insulation sheets (20).
Remove the two screws (21) , nuts (22) and four lock-
(10)
washers (23) holding the motor mount ring (24), ground
lead wire and motor (26).
The motor (26) may now be
pulled out of housing (32), but not removed.
Disconnect one motor lead wire from the center of switch
(11)
(27) and remove wire nut connector (25) connecting
second motor lead, heater lead and one leg of the input
power supply. Remove motor (26). Label all leads.
5
