Contact a qualified service person to do this. All local codes must be followed. ! WARNING Fan accessory must be grounded. Fan comes with a three-prong, grounding plug as shown in Figure 1. The plug is your protection against electrical shock. Plug it into a standard, three-hole, grounded, outlet. If cord needs replacing, use only a cord with a three-prong, grounding plug. Grounding Plug Grounded Outlet Figure 1 - Grounding Plug Attaching Fan Accessory 1. Knock out center panel at four tabs with

6. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench. 7. Blow compressed air through face of nozzle. This will free any dirt in nozzle area. 8. Inspect nozzle seal for damage. 9. Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench (4045 inch-pounds). 10.Attach nozzle assembly to burner strap. 11.Attach fuel and airline hoses to nozzle assembly. 12.Replace fan (see page 10). 13.Replace fan guard and upper shell. 45° Burner S

2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nut-driver. 5. Remove pump plate. 6. Remove rotor, insert, and blades. 7. Check for debris in pump. If debris is found, blow out with compressed air. 8. Install insert and rotor. 9. Check gap on rotor. Adjust to .003"/.004" if needed (see Figure 29). Note: Rotate rotor one full turn to insure the gap is .003"/.004" at tightest position. Adjust if needed. W

4. Replace air output and lint filters. 5. Wash or replace air intake filter (see Preventative Maintenance Schedule, page 8). 6. Replace filter end cover. 7. Replace fan guard and upper shell. IMPORTANT: Do not oil filters. 11 099176 Pump Pressure Adjustment 1. Remove pressure gauge plug from filter end cover. 2. Install accessory pressure gauge (part number HA1180). 3. Start heater (see Operation, page 7). Allow motor to reach full speed. 4. Adjust pressure. Turn relief valve to right to increa

Bulk fuel storage shall be outside the struc- ture. f) All fuel storage shall be located a minimum of 25 feet from heaters, torches, welding equipment, and similar sources of ignition (exception: the fuel reservoir integral with the heater unit). g) Whenever possible, fuel storage shall be confined to areas where floor penetra- tions do not permit fuel to drip onto or be ignited by a fire at lower elevation. h) Fuel storage shall be in accordance with the federal, state, or local authority hav-

PRODUCT IDENTIFICATION Hot Air Outlet Fan GuardLower Shell Air Filter End CoverFuel Tank Fuel Cap Side Cover Handle Power Cord Upper Shell Flame-Out Control Reset Button Figure 1 - 35/50/55/70,000 BTU/Hr Models Hot Air Outlet Lower Shell Side Cover Fuel Tank Fuel Cap Fan Guard Power CordFlame-Out Control Reset Upper Shell Button Figure 2 - 100/110/150,000 BTU/Hr Models 4 UNPACKING ASSEMBLY (For 100,000, 110,000, and 150,000 BTU/Hr Models Only) 1. Remove all packing items applied to heater for sh

Drain and flush fuel tank with clean kerosene. See Storage, page 8. Make sure electronic ignitor mounting is tight. Replace electronic ignitor. Press flame-out control reset button. Wait two minutes before trying to restart heater. If fan is hard to turn, see Pump Rotor, page 13. 9 10 099176 SERVICE PROCEDURES Air Output Filter Lint Filter Air Intake Filter Filter End Cover Air Output Filter Lint Filter Air Intake Filter Filter End Cover Fan Guard Figure 11 - Air Output, Air Intake, and Lint Fil

Unplug extension cord from outlet. To Restart Heater 1. Wait two minutes after stopping heater. 2. Repeat steps under To Start Heater, page 7. 1. Drain fuel tank. Note: Some models have drain plug on underside of fuel tank. If so, remove drain plug to drain all fuel. If heater does not have drain plug, drain fuel through fuel cap opening. Be sure all fuel is removed. 2. Replace drain plug if used. 3. Add one gallon of clean kerosene to fuel tank. 4. Attach fuel cap. 5. Move heater forwards and b

Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels will result in: • clogged fuel filter and nozzle • carbon build up on spark plug • the need of non-toxic anti-icer in fuel during very cold weather IMPORTANT:Use a KEROSENE ONLY storage container. Be sure storage container is clean. Foreign matter such as rust, dirt, or water will cause the flame- out control to shut down heater.

12.Adjust pump pressure (see page 11). Note:If rotor is still binding, proceed as follows. 13.Perform steps 1 through 6 (see page 13). 14.Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in “figure 8” motion four times (see Fig- ure 30). 15.Reinstall insert and rotor. 16.Perform steps 10 through 12 above. Blade Rotor .003"/.004" Gap Measured With Feeler Gauge Gap Adjusting Screw Gap Adjusting Screw Figure 29 - Gap Adjusting Screw Locations SPECIFICA TIONS Output Rating (