HG Service Manual-D SERIES Models: HG-201D, HG-202D, HG-301D, HG-302D, HG-501D, HG-502D, HG-801D
“D SERIES” HG WARNING: Disconnect heat gun power cord and allow the heat gun to cool before disassembly. READ THE SERVICE INSTRUCTIONS CAREFULLY. FAILURE TO EXACTLY FOLLOW THE INSTRUCTIONS COULD RESULT IN PERSONAL INJURY OR DAMAGE TO YOUR HEAT GUN. ALL REPAIRS MUST BE PERFORMED BY A QUALIFIED REPAIR TECHNICIAN. AVERTISSEMENT : Débrancher le cordon du pistolet thermique et laisser celui-ci refroidir avant de le démonter. LIRE ATTENTIVEMENT LES INSTRUCTIONS D’ENTRETIEN.
“D SERIES” HG Figure 1 COVER BLOWER WHEEL HANDLE, LEFT MOTOR SCREWS (2) Ⓛ MOTOR ELEMENT CONNECTOR SHRINK TUBE Ⓣ Ⓣ GROUND SCREW, GREEN #6-32 SCREW (2) Ⓜ NOZZLE SCREWS, (2) Ⓦ CORDSET ELEMENT CABLE GUARD ELECTRICAL BARRIER Ⓥ Ⓗ HOUSING, METAL Ⓐ HOUSING Ⓗ SCREWS (2) Ⓗ HANDLE, RIGHT Ⓦ NOZZLE AND SHIELD BEZEL / SWITCH / JUMPER Master Appliance Corp. 2420 18th St. Racine, WI 53403-2381 Ⓖ SCREW, M3x0.
“D SERIES” HG 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.
“D SERIES” HG INSTALLATION INSTRUCTIONS Figure 7 To install the MOTOR: 1. Connect the black wire from the motor to the switch Ⓢ (Figure 8). 2. Connect the white motor wire to the piggyback terminal of the white element connector wire (Figure 8). 3. Slide shrink up over both white wires and connect white wire from cordset. Position shrink tube Ⓣ over all 3 terminals (Figure 8).
“D SERIES” HG 2. 3. Attach the piggyback terminal of the jumper to the switch, and the other end of the jumper to the switch (Figure 8). Place the electrical barrier Ⓥ between the switch and the housing. ELEMENT CONNECTOR Figure 10 WARNING: Failure to insulate switch & wire terminals from metal enclosure could result in electrical short 4. 5. Align the three holes of the bezel with the three tabs in the handle and gently press the switch / bezel assembly into position as shown (Figure 4).
“D SERIES” HG TROUBLESHOOTING GUIDE SYMPTOM CAUSE Motor screw not tight or missing Excessive Vibration Unusual Noise Blower wheel loose or damaged Tighten or replace blower wheel if damaged Blower wheel not positioned correctly on motor shaft Ensure top of motor shaft is flush with top of blower wheel hub Ensure wires are in proper position and out of way of blower wheel Wires rubbing on blower wheel Motor does not run and element does not heat Motor does not run but element heats Motor runs but
