DuraHeat DFA-125 User Manual Download Page 11

10

NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

A.)  FUEL TANK

FLUSH EVERY 200 HOURS OF OPERATION
OR AS NEEDED (SEE STORAGE, PAGE 9)

B.)  AIR INTAKE FILTER

WASH AND DRY WITH SOAP AND WATER
EVERY 500 HOURS OF OPERATION OR AS
NEEDED.
- Remove screws along each side of heater using

medium phillips screwdriver.

- Lift upper shell off.
- Remove fan guard.
- Wash or replace air intake filter.
- Reinstall fan guard and upper shell.

C.)  AIR OUTPUT FILTER, LINT FILTER

REPLACE EVERY 500 HOURS OF
OPERATION OR ONCE A YEAR.
- Remove upper shell and fan guard (See Air Intake

Filter).

- Remove end filter cover screws using medium

phillips screwdriver.

- Remove end filter cover.
- Replace air output and lint filter.
- Reinstall end filter cover.
- Reinstall fan guard and upper shell.

D.)  FAN BLADES

CLEAN EVERY SEASON OR AS NEEDED.
- Remove upper shell (See Air Intake Filter).
- Use M6 allen wrench to loosen set screw

which holds fan blade to motor shaft.

- Slip fan blade off motor shaft.
- Clean fan blade using a soft cloth moistened with

kerosene or solvent.

- Dry fan blade thoroughly.
- Reinstall fan blade on motor shaft.  Place fan

blade hub flush with end of motor shaft.

- Place set screw on flat of shaft.  Tighten set screw

firmly (40-50 inch-pounds/4.5-5.6 N-m).

- Reinstall upper shell.

Upper Shell

Fan Guard

Air Intake Filter

Flush

Motor Shaft

Fan Blade

Lint Filter

Intake Filter

Air Output Filter

9. MAINTENANCE

WARNING!! : NEVER SERVICE HEATER WHILE IT IS PLUGGED IN OR

WHILE HOT!

USE ORIGINAL EQUIPMENT REPLACEMENT PARTS.  Use of third party or
other alternate components will void warranty and may cause unsafe operating
conditions.

Figure 10

Figure 11

Figure 12

End filter cover

Set screw

Motor Shaft

Summary of Contents for DFA-125

Page 1: ...ERS USER S MANUAL Before the first use of this heater please read this USER S MANUAL very carefully This USER S MANUAL has been designed to instruct you as to the proper manner in which to assemble th...

Page 2: ...des topandrear 4feet 125cm NEVER block air inlet rear orair outlet front of heater NEVER useduct work in frontor behindof heater NEVER moveor handle heater whilestillhot NEVER transport heater withfue...

Page 3: ...OUBLE SHOOTING GUIDE 14 12 WIRING DIAGRAM 15 13 SPECIFICATIONS 16 14 EXPLODED PARTS DRAWING 17 15 PARTS LIST 18 1 INTRODUCTION Please read this USER S MANUAL carefully It will show you how to assemble...

Page 4: ...LEAVE THE HEATER UNATTENDED WHILE BURNING Figure 2 DFA 125 MODEL Drain Plug Fuel Gauge Lower Shell Hot Air Outlet Power Reset Switch Power Cord Fan Guard Upper Shell Handle Fuel Cap Lamp Side Cover Fu...

Page 5: ...A1010 No No Yes Handle Wheel Support Frame Axle Figure 3 DFA 45 DFA 70 MODEL Figure 4 DFA 125 MODEL Handle Screws Hardware Kit Part No HW KFA1000 3 UNPACKING AND ASSEMBLY 1 REMOVE THE HEATER AND ALL P...

Page 6: ...hillips Screwdriver 5 16 M5 Open or Adjustable Wrench Use Us Inch Screws Nut Long Nose Pliers 1 Slide axle through wheel support frame Install wheels on axle NOTE When installing wheels point extended...

Page 7: ...ners are associated with gasoline NEVER store kerosene in the living space Kerosene should be stored in a well ventilated place outside the living area NEVER use any fuel other than 1 K kerosene 1 fue...

Page 8: ...he Safety System A Temperature Limit Control This heater is equipped with a Temperature Limit Control designed to turn off the heater should the internal temperature rise to an unsafe level If this de...

Page 9: ...d six inches 15 24 cm a single car garage door raised nine inches 22 86 cm two thirty inch 76 20 cm windows raised twelve inches 30 48 cm B OPERATION TO START HEATER 1 Fill fuel tank with kerosene or...

Page 10: ...erosene over summer months for use during next heating season Using old fuel could damage heater 4 Reinstall fuel cap Properly dispose of old and dirty fuel For DFA 45 65 Models Only 5 Reinstall Drain...

Page 11: ...rd and upper shell D FAN BLADES CLEAN EVERY SEASON OR AS NEEDED Remove upper shell See Air Intake Filter Use M6 allen wrench to loosen set screw which holds fan blade to motor shaft Slip fan blade off...

Page 12: ...l and air line hoses to burner head Reinstall fan blade and upper shell F SPARK PLUG CLEAN AND REGAP EVERY 600 HOURS OPERATION OR REPLACE AS NEEDED Remove upper shell See page 10 Remove fan See page 1...

Page 13: ...FA 125 model Wash fuel filter with clean fuel and replace in tank Attach fuel line to fuel filter neck Reinstall side cover I PUMP PRESSURE ADJUSTMENT Remove pressure gauge plug from end filter cover...

Page 14: ...WARNING SHOCK HAZARD To prevent personal injury unplug the power cord before replacing fuse 1 Unplug heater 2 Remove side cover screws using medium phillips screw driver 3 Remove fuse from fuse holder...

Page 15: ...improper gap 4 Dirty fuel filter 4 See Fuel Filter page 12 5 Dirt in nozzle 5 See Nozzle page 11 6 Water in fuel tank 6 Flush fuel tank with clean kerosene page 9 7 Bad electrical connection 7 Check...

Page 16: ...15 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING 12 WIRING DIAGRAM A WIRING DIAGRAM DFA 45 DFA 70 B WIRING DIAGRAM DFA 125...

Page 17: ...ODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS 15 5 15 4 Burner Head Assembly 15 3 15 6 15 1 15 2 1 23 3 18 20 7 2 4 6 22 1 22 2 22 3 12 10 12 11 14 15 9 16 17 24 25 11 19 5 22 21 1 1 8 13 16 1 16 2...

Page 18: ...KFA1027 SP KFA1003 15 2 NozzleSealWasher 285 8109 90 285 8109 90 285 8109 90 15 3 NozzleSealSpring 285 8110 00 285 8110 00 285 8110 00 15 4 BurnerHead 284 7112 00 3531 0015 00 284 7112 11 15 5 SparkPl...

Page 19: ...bly 215A 0019 00 215A 0019 00 215A 0019 00 22 1 Fuse 3920 0025 00 3920 0025 00 3920 0025 00 22 2 P C B Supportor R 3221 0030 00 3221 0030 00 3221 0030 00 22 3 P C B Supportor L 3221 0031 00 3221 0031...

Page 20: ...073 00 3231 0073 00 1 2 HardwareKit HW KFA1000 HW KFA1000 1 KEYNO DESCRIPTION PARTNO DFA 125 QTY 1 Handle 3551 0023 00 1 2 WheelSupportFrame 3551 0014 00 1 3 Axle 3541 0026 00 1 4 Wheel 2156 0003 00 2...

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