Replacement Part List

“D SERIES” HG
Master Appliance Corp.
2420 18
th
St.
Racine, WI 53403-2381 USA
Tel: [phone]
Email: [e-mail]
www.masterappliance.com
58278E REV A
pg. 3 of 6
DISASSEMBLY INSTRUCTIONS
UNPLUG HEAT GUN. TAKE NOTE OF WIRING LAYOUT.
To remove cover and handle halves (Figure 1)
1. Remove two (2) nozzle mounting screws Ⓦ at the rear of the
shield. If nozzle mounting screws are lost or damaged, replace
only with #6-32 steel machine screws, 3/16-inch minimum length
to 1/2- inch maximum length.
2. Gently pull shield from gun housing. Shield, nozzle and mica
insulator may come apart as one unit. Pull element out of
housing.
3. Remove (2) housing screws (#6-32 x .50) Ⓗ and remove cover.
4. Remove (4) handle screws (#6-19 x .63 long) Ⓙ and remove
handles from housing.
To remove the motor (Figure 1)
1. Loosen the set screw in the blower wheel with a 1/8 hex key
wrench, then remove the blower wheel from the motor. Carefully
lift label and remove screw Ⓚ from the bottom of the housing.
2. Place the heat gun on a flat surface with the motor facing
upward. Remove (2) outer screws Ⓛ on the top flange of the
motor. Gently pull the motor straight up and out of the housing.
3. Cut and remove the existing cable ties and shrink tube to expose
the quick-connect terminals (Figure 3).
4. Disconnect the white lead wire of the motor from the piggyback
terminal on the white wire from the element connector (Figure 3).
5. Disconnect the black lead wire of the motor from the switch
(Figure 4).
To remove the element connector:
1. Cut and remove the existing cable ties and shrink tube to expose
the quick-connect terminals (Figure 3).
2. Disconnect the white lead wire of the element connector (with
piggyback terminal) from both the white wire of the motor and
the white wire of the cordset (Figure 3).
3. Disconnect the black lead wire of the element connector from
the switch (Figure 4).
To remove the switch/bezel assembly:
1. Lift the switch/bezel assembly away from the handle, being
careful not to break the tabs of the handle (Figure 5). Disconnect
all wires from the switch.
To remove the cordset:
1. Remove the green ground screw located near the nozzle of the
housing (Figure 6).
2. Cut and remove the existing cable ties and shrink tube to expose
the quick-connect terminals (Figure 3).
3. Remove the black cordset wire from the piggyback terminal of
the jumper, (Figure 4).
4. Remove the white cordset wire from the piggyback terminal on
the white wire from the element connector (Figure 3).
5. Lift the cable guard out of the handle and remove the cordset.
SWITCH / BEZEL
Figure 5
TABS IN
HANDLE
Figure 6
GREEN WIRE AND GREEN SCREW
ELEMENT CONNECTOR,
BLACK WIRE
ELEMENT
CONNECTOR
CORDSET, BLACK WIRE
ON TERMINAL OF JUMPER
SHRINK TUBE
JUMPER, (BLACK
WIRE)
MOTOR, (BLACK
WIRE)
Figure 4
Ⓣ
Figure 3
CABLE TIES
TERMINALS
SHRINK TUBE
Ⓣ