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113170-01E
13
www.desatech.com
SERVICE PROCEDURES
Continued
CAUTION: Do not bend or
strike ignitor element. Handle
with care.
9.
Carefully guide ignitor into opening in nozzle
adapter bracket. Do not strike ignitor element.
Attach ignitor to nozzle adapter bracket with
screw using a 1/4" nut driver for models using
ignitor HA1000 (see Figure 15) or 5/16" nut
driver for models using HA1100 ignitor (see
Figure 16). Torque .90 to 1.69 N-m (8 to 15
in-lbs) Do not over torque.
10.
Replace combustion chamber.
Ignitor Element
Photocell
Bracket
Nozzle Adapter
Bracket Opening
Ignitor
Nozzle
Adapter
Bracket
Combustion
Chamber
11.
Route the ignitor wires back down through
the hole in the lower shell. Connect wires to
the ignition control assembly (see Figure 14,
page 11).
12.
Replace control cover (see Figure 13, page 11).
13.
Connect and route fuel line hose and air line
hose to nozzle adapter assembly. See
Fuel and
Air Line Replacement and Proper Routing
,
page 13.
14.
Replace photocell in photocell bracket. Route
wires as shown in Figure 17.
Figure 16 - Ignitor HA1100 Replacement
NOZZLE ASSEMBLY
125T and 170T Models Only
1.
Remove upper shell (see
Upper Shell Re-
moval
, page 10).
2.
Remove fan (see
Fan
, page 10).
3.
Remove fuel and air line hoses from nozzle
assembly (see Figure 17).
4.
Turn nozzle assembly 1/4 turn to left and pull
toward motor to remove (see Figure 18).
15.
Replace fan (see page 10).
16.
Replace upper shell (see page 10).
Ignitor Screw/Washer
Assembly
Ignitor
Ignitor Element
Combustion
Chamber
Nozzle
Adapter
Bracket
Photocell
Bracket
Nozzle/
Adapter
Assembly
Photocell
Bracket
Nozzle
Adapter
Bracket
Fuel Line
Hose
Air Line Hose
Figure 17 - Removing Air and Fuel Line
Hoses (125T and 170T Models Only)
Combustion
Combustion
Chamber
Nozzle Adapter
Bracket Opening
Chamber
Nozzle/
Adapte
r
Figure 15 - Ignitor HA1000 Replacement
Assembly
Figure 18 - Removing Nozzle/Adapter
Содержание 125T
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