Desa BTU/HR owner manual Pump Rotor, Procedure if Rotor is Binding

Page 14

SERVICE PROCEDURES

Continued

PUMP ROTOR

(Procedure if Rotor is Binding)

1.Remove upper shell (see Upper Shell Re- moval, page 9).

2.Remove filter end cover screws using 5/16" nut driver (see Figure 30 or 31).

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 (see Figure 30 or 31).

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 .076/.101 mm (.003"/.004") if needed (see Figure 32). Note: Rotate rotor one full turn to ensure the gap is .076/.101 mm (.003"/.004") at tightest position. Adjust if needed.

10.Install blades, pump plate, air filters, and filter end cover.

11.Replace fan guard and upper shell (see Upper Shell Removal, page 9).

12.Adjust pump pressure (see Pump Pressure Adjustment, page 10).

Note: If rotor is still binding, proceed as follows.

13.Perform steps 1 through 6.

14.Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in “figure 8” mo- tion four times (see Figure 33).

15.Reinstall insert and rotor.

16.Perform steps 10 through 12.

Blade

Pump Plate

Air

Intake

Filter

Insert

Rotor

Air Output Filter

Filter End Cover

Figure 31 - Rotor Location, 110/115/155/

165/200 Models

Gap Adjusting Screw

Blade

.003"/.004"

(.076-.101 mm)

Gap Measured

With Feeler

Gauge

Rotor

Gap Adjusting Screw

Figure 32 - Gap Adjusting Screw Locations

Sandpaper

Figure 33 - Sanding Rotor

Insert

Blade

Air Intake

 

Pump Filter

 

Plate

Filter

End

Cover

Rotor

Air Output Filter

Figure 30 - Rotor Location, 40/50/55/60/

70 Models

14

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113282-01C

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Contents Table of Contents Safety Information Never attach heater to external fuel tank UnpackingProduct Identification Theory of Operation FuelsVentilation For 110/115/155/165/200 Models only AssemblyOperation To Start HeaterStoring TRANSPORTING, or Shipping Wthout ON/OFF SwitchOperation with Portable Generator To Restart HeaterFault Condition Possible Cause Remedy Preventative Maintenance ScheduleTroubleshooting How Often How ToObstruction in nozzle Ment,Dirty fuel filter Water in fuel tankAIR OUTPUT, AIR Intake and Lint Filters Service ProceduresUpper Shell Removal FANReplace filter end cover Pump Pressure AdjustmentFuel Filter Replace combustion chamber Carefully remove replacement ignitor from packingIgnitor For 40/50/55/60/70/110/115/155/165 Models Only Nozzle AssemblyPlace plastic hex-body into vise and lightly tighten Fuel and AIR Line Replacement and Proper Routing For 200 Model OnlyProcedure if Rotor is Binding Pump RotorModel Size SpecificationsIgnition Control Assembly 110/115 155 165 200Wiring Diagrams Ignition Control AssemblyWiring Diagrams R40, REM40, PK40, UK40, TK40, N40 Illustrated Parts BreakdownStandard Model Thermostat ModelsParts List ModelsStandard Model 50/55/60/70 Models NTC-4CStandard Models 110/115/155/165 Models WLE-2R200B, PK200, UK200, TK200 RM200BT, B200BT, PK200T, UK200T, TK200T, REM200BT, R200BTSee Burner Head Assembly for 110/115/155/165 Models NOZZLE/BURNER Head Assembly for 200 ModelsMotor and Pump Assembly for 40/50/55/60/70 Models FHPF3-5CMotor and Pump Assembly for 110/115/155/165 Models FHPF3-5CMotor and Pump Assembly for 200 Models Parts Under Warranty Replacement PartsWheels and Handle Parts List Parts not Under WarrantyTechnical Service AccessoriesWarranty and Repair Service Limited Warranty

BTU/HR specifications

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At its core, Desa BTU/HR operates on the principle of maximizing thermal energy while minimizing waste. This is achieved through state-of-the-art heat exchangers and combustion technologies that ensure a higher yield of usable heat per unit of fuel consumed. By utilizing a variety of inputs, including biomass, natural gas, and renewable sources, Desa BTU/HR caters to a range of energy requirements, making it versatile for diverse environments.

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In conclusion, Desa BTU/HR sets a new standard in thermal energy generation through its efficient, intelligent, and sustainable design. With features that promote optimal energy use and a commitment to reducing environmental impact, the system serves as a robust solution for heat generation in today's energy-hungry world. As the landscape of energy production continues to evolve, Desa BTU/HR stands out as a forward-thinking choice for future energy needs.
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