Master Lock BR150CE Air Conditioner User Manual
Contents
1. meeeemeeennee 16 Wheels and Handles sse 18 Wiring Diagram o nasosi rte ee Gode ed e 1 eher rd 19 ACCESSOEDY d B e edo a tom tete Dee ede od eom fontis 19 EC Conformity Declaration sese 19 Warranty and Repair Service essere 20 WARNINGS IMPORTANT Read this Owner s Manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning ADANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness and or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women persons with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Make certain you read and understand all Warnings Keep this manual for reference It is your guide to safe and proper operation of this heater Continued 102384 SAFETY WARNINGS continued INFORM ATION Use only kerosene or No 1 fuel oil to avoid risk of fire or explosion Never use A gasoline naphtha paint thinners al2. 2 Use 1 8 allen wrench to loosen setscrew which holds fan to motor shaft 3 Slip fan off motor shaft 4 Clean fan using a soft cloth moistened with kerosene or solvent 5 Dry fan thoroughly 6 Replace fan on motor shaft Place fan hub flush with end of motor shaft see Figure 19 7 Place setscrew on flat of shaft Tighten setscrew firmly 40 50 inch pounds 4 5 5 6 n m 8 Replace fan guard and upper shell SPECIFICATIONS Fan Figure 18 Fan Motor Shaft and Setscrew Location Motor Shaft Setscrew Flush Figure 19 Fan Cross Section Output Rating Btu Hr Fuel Fuel Tank Capacity U S Gal Liters Fuel Consumption Gal Per Hr Liters Per Hr Electric Requirements Amperage Normal Run Hot Air Output CFM CMM RPM 150 000 Use Only Kerosene or No 1 Fuel Oil 13 5 51 1 1 1 4 1 220 V 50 Hz 1 2 500 14 2 2850 102384 ILLUSTRATED BREAKDOWN 150 000 Btu Hr Model Burner Head Assembly 102384 PARTS LIST 150 000 Btu Hr Model OO SI 0 01 BO N 13 1 13 2 13 3 13 4 13 5 13 6 13 7 13 8 13 9 13 10 13 11 13 12 13 13 13 14 13 15 13 16 13 17 13 18 14 15 16 17 Not available as an assembly order parts separately PART NUMBER 098511 138 100647 01 098512 36 099229 01 HA3019 M27417 M10908 2 100735 11 M10659 1 M10809 1 M8882 M50924 08 M50820 02 HA
3. MASTER PORTABLE FORCED AIR HEATERS With Built In Thermostat OWNER S MANUAL Heater Size 150 000 Btu Hr Model BR150CE IMPORTANT Read and understand this manual before assembling starting or servicing heater Improper use of heater can cause serious injury Keep this manual for future reference 95 CONTENTS SAFETY INFORMATION SECTION PAGE Safety nformiation i e e eed eee t edel 2 Product Identification ssssssssssseeeeeeeeenneenneeeeneenns 4 Unpacking ln Anecdot nain e ee o e ortae oe 5 ASSEMBLY 4a ua SEI pao dee beluis 5 Theory of Operation ed tees 6 Td etinm Inn Ep duliitotifi tttm 6 Ventilation cere Te eene ete et eee n ae entes 7 Operation ci dI eu reb a ipi e ge epos 7 Storing Transporting or Shipping esee 8 Preventative Maintenance Schedule sss 8 Troubleshooting den eere alla eee teu 9 S rvice Procedures c t es exire coeur re peek cs 10 Upper Shell Removal seriat osais ipeta 10 Fuel Filters x ere te tir eee n 10 Spark Plu sess iced e Ue iid aee ote 11 Air Output Air Intake and Lint Filters sess 12 Pump Pressure Adjustment sssssssseeeeeeeeen 12 INOZZ Grass 3 5 eene Hr t RE a a ER 13 Pump R tof nerin LE 14 ru 15 Specifications 5 cepe etit is ose pet e Ele o er cip RR on A Fe eee 15 Illustrated Parts Breakdown and Parts List
4. tional upon inspection to have been defective in material or workmanship when shipped from the factory Such parts shall be provided at no costto the user atthe business establishment of any factory authorized service center or the factory during regular working hours The Warranty shall not apply to compo nent parts or accessories of Products not manufactured by DESA International and which carry the warranty of the manu facturer thereof or to normal maintenance such as pressure adjustments or to normal maintenance parts such as filters and spark plugs Replacement or repair parts installed in the Product covered by this Warranty are warranted only for the remainder of this Warranty as if such parts were original compo nents of said Product DESA INTERNATIONAL MAKES NO OTHER EXPRESS WARRANTY TO THE EXTENT PERMIT TED BY LAW DESA INTERNATIONAL MAKES NO IMPLIED WARRANTY AND MAKES NO WARRANTY OF MER CHANTABILITY OR FITNESS FOR ANY PARTICULAR PUR POSE IN ANY EVENT IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PAR TICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY Any transportation charges costs of installation duty taxes or any other charges whatsoever must be borne by the user DESA International s obligation under this limited War ranty shall not include any liability for direct indirect incidental or consequential damage or delay If requested by DESA International Products or p
5. 097650 01 M9900 192 101888 19 101639 11 099650 01 This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the model plate then the part number and description of the desired part PART DESCRIPTION Lock Washer 10 Nut 10 32 Hex locknut Electronic Ignitor Screw 10 16 x 3 4 Terminal Board Rivet Bushing Bushing Bushing Button Plug Screw 10 16 x 1 2 Lower Shell Clip Nut Screw 10 32 x 1 2 Fuel filter Rubber Bushing Fuel Line Fuel Tank Fuel Tank Cap Wire Assembly red 8 1 2 Flame Out Control Strain Relief Bushing Power Cord Side Cover Screw 10 16 x 1 2 Terminal Board Tab Cap Hex Nut Foam Gasket Screw 6 32 x 1 4 Thermostat Knob Built in Thermostat Filler Neck Screen Tradename Decal Combustion Chamber Ground Wire Operation Decal Warning Decal Thermostat Wire Clip 102384 WHEELS AND HANDLES PART NUMBER HA2204 M12345 33 M12831 3 NTC 3C 097896 04 M28526 M16801 2 PART DESCRIPTION Handles Screw 10 24 x 1 3 4 Wheel Support Frame Hex Nut 10 24 Wheel Cap Nut Axle 102384 WIRING DIAGRAMS ACCESSORY Purchase this accessory from your local dealer EC CONFORMITY DECLARATION 220V 50Hz Thermostat Blue Brown Black Green
6. Removal Figure 9 Spark Plug Gap C s aT Spark Plug Wire Bend Here to Adjust Gap Gap 102384 2 2 Air Output Air Intake and Lint Filters 1 Remove upper shell see page 10 Remove filter end cover screws using 5 16 nut driver Remove filter end cover Replace air output and lint filters Wash or replace air intake filter see Preventative Maintenance Schedule page 8 Replace filter end cover Replace fan guard and upper shell IMPORTANT Do not oil filters Pump Pressure Adjustment 1 Remove pressure gauge plug from filter end cover Install accessory pressure gauge part number HA1180 Start heater see Operation page 7 Allow motor to reach full speed Adjust pressure Turn relief valve to right to increase pressure Turn relief valve to left to decrease pressure See specifications at right for correct pressure for each model Remove pressure gauge Replace pressure gauge plug in filter end cover Air Intake Filter Filter End Fan Guard vi Cover Ti SO Lint Filter Air Output DS Filter Figure 10 Air Output Air Intake and Lint Filters Relief Valve Location Pressure Gauge Plug Figure 11 Pressure Gauge Plug Removal PUMP PRESSURE MODEL Pressure Gauge 150 000 Btu Hr 4 8 PSI Figure 12 Adjusting Pump Pressure 102384 Nozzle 1 Remove upper shel
7. Yellow White EC RE White 5 Flame H H E Out Reset Green Yellow White Blue Blue CSS Motor Orange Ignitor 5 p Terminal Contro Button Green Yellow Spark Plug Board Photocell ai n Red Red R FA Red F 098227 84 AIR GAUGE KIT HA1180 For all models Special tool to check pump pressure EC CONFORMITY DECLARATION DESA Europe B V Industrieweg 167 3044 AS Postbus 11158 3004 ED Rotterdam Holland Manufacturer DESA International Inc 2701 Industrial Drive Bowling Green KY 42101 U S A Kerosene Portable Forced Air Heaters Model Numbers BR150CE It is declared that these models conform to the Machinery Directive 89 392 EEG including 91 368 EEG We declare that the models noted are in conformity Company DESA International Inc Name Douglas D Rohrer Title Vice President Specialty Products Engineering Bowling Green KY Devi Polo 102384 Date and Place Signature WARRANTY AND REPAIR SERVICE CERTIFICATE OF GENERAL EQUIPMENT LIMITED ONE YEAR WARRANTY DESA International warrants new Products sold by it to be free from defects in material or workmanship for a period of one 1 year after date of delivery to the first user and subject to the following conditions DESA International s obligation and liability under this Warranty is expressly limited to repairing or replacing at DESA International s option any parts which appear to DESA Interna
8. heater while it is plugged in operating or hot Severe burns and electrical shock can occur OBSERVED FAULT Heater ignites but flame out control shuts off heater after a short period of time POSSIBLE CAUSE Wrong pump pressure Dirty air output air intake and lint filters Dirty fuel filter Dirt in nozzle Dirty photocell lens Bad flame out control REMEDY See Pump Pressure Adjustment page 12 See Air Output Air Intake and Lint Filters page 12 See Fuel Filter page 10 See Nozzle page 13 Clean photocell lens Replace flame out control Heater will not ignite but motor runs for a short period of time Wrong pump pressure Carbon deposits on spark plug and or improper gap Dirty fuel filter Dirt in nozzle Water 1n fuel tank Electronic ignitor not grounded earthed Bad electronic ignitor See Pump Pressure Adjustment page 12 See Spark Plug page 11 See Fuel Filter page 10 See Nozzle page 13 Drain and flush fuel tank with clean kerosene See Storing Transporting or Shipping page 8 A WARNING High voltage Make sure electronic ignitor mounting is tight Replace electronic ignitor Motor does not start when heater is plugged in fan rotates slowly or does not turn Flame out control not reset Binding pump rotor Thermostat setting is too low Reset flame out control button see Figure 5 page 7 If fan is hard to turn se
9. is noted in old fuel add 1 or 2 quarts of clean kerosene to tank stir and drain again This will prevent excess debris from clogging filters during future use Replace fuel cap or drain plug Properly dispose of old and dirty fuel Check with local automotive service stations that recycle oil If storing store heater in dry place Make sure storage place is free of dust and corrosive fumes IMPORTANT Do not store kerosene over summer months for use during next heating season Using old fuel could damage heater A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Item How Often How To Fuel tank Flush every 150 200 hours See Storing Transporting or of operation or as needed Shipping above Air output and Replace every 500 hours of See Air Output Air Intake lint filters operation or once a year and Lint Filters page 12 Air intake Wash and dry with soap and See Air Output Air Intake filter water every 500 hours of and Lint Filters page 12 operation or as needed Fuel filter Clean twice a heating season See Fuel Filter page 10 or as needed Spark plug Clean and regap every 600 See Spark Plug page 11 hours operation or replace as needed Fan blades Clean every season or as See Fan page 15 needed Motor Not required permanently lubricated 102384 TROUBLE SHOOTING A WARNING Never service
10. 3012 M11084 27 M50814 06 M51345 01 102042 01 102001 03 079975 03 FHPF3 6C M22009 M22456 2 M50545 M12179 M16545 M8940 M10993 1 M27694 M22997 M12461 31 M12244 1 M12461 32 M11637 M50820 02 M8643 2 M51114 01 M50631 097468 01 101206 01 PART DESCRIPTION Upper Shell Screw 10 16 x 1 2 Combustion Chamber Photocell Bracket Photocell Assembly Drain Plug Screw 6 32 x 3 8 Burner Head Assembly Nozzle Nozzle Seal Washer Nozzle Seal Spring Nozzle Seal Sleeve Burner Head Body Barb Fitting Spark Plug Screw 10 16 x 1 2 Air Line Fuel Line Fan Motor and Pump Assembly Motor with capacitor Pump Body Screw 10 32 x 3 4 Insert Rotor End Pump Cover Intake Filter End Filter Cover Steel Ball 1 4 Dia Pressure Relief Spring Adjusting Screw Plug Screw 10 32 x 1 Output Filter Screw 10 32 x 1 1 8 Lint Filter Barb Fitting Blade Fan Guard Rubber Bumper Edge Liner Motor Bracket po BH H 0 HH RH SH KH HSH HSH SB HSB HSB YS HAH HSH KH ABH BKB KM WH ND AH HH NS AH AHN AH KH KH gt Ot PART NUMBER WLE 3 NPF 3B NTC 4C 102482 02 M11084 29 099125 02 099157 01 M50104 03 M50104 03 M50104 01 099213 01 M11084 27 098511 191 M11271 8 RF3 5B M51150 01 M10990 3 M51151 02 098513 82 097702 01 M16841 57 097630 02 M50400 079673 03 M51077 01AA M11084 27 078918 01 099177 01 097785 04 M10908 1 104905 01 097657 02 PARTS AVAILABLE NOT SHOWN HA2210
11. andard 220 volt 50 hertz grounded earthed outlet Use an extension cord if needed Use only a three prong grounded earthed extension cord Extension Cord Wire Size Requirements Up to 30 5 meters 100 feet long use 1 0 mm 16 AWG conductor 30 6 to 61 meters 101 to 200 feet long use 1 5 mm 14 AWG conductor Heater will start when power cord is plugged into outlet If not push in flame out control reset button see Figure 5 Adjust thermostat to desired setting If heater does not start thermostat may be set too low Turn thermostat knob to higher position to start heater If thermo stat is in HIGH position and heater still will not start push in flame out control reset button see Figure 5 Flame Out Control Reset Button Figure 5 Flame Out Control Reset Button Continued 102384 OPERATION Continued STORING TRANSPORTING OR SHIPPING PREVENTATIVE MAINTENANCE SCHEDULE To Stop Heater 1 Unplug power cord from outlet To Restart Heater 1 Wait 2 minutes after stopping heater 2 Repeat steps under To Start Heater page 7 Note If shipping transport companies require fuel tanks to be empty 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 Replace drain plug provided If any debris
12. arts for which a warranty claim is made are to be returned transportation prepaid by user to the factory Any improper use including operation after discovery of defective or worn parts operation beyond capacity substi tution of parts not approved by DESA International or any alteration or repair by others in such manner as in DESA International s judgement affects the Product materially and adversely shall void this Warranty NO EMPLOYEE OR REPRESENTATIVE IS AUTHORIZED TO CHANGE THIS WARRANTY IN ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE IS MADE IN WRITING AND SIGNED BY AN OFFICER OF DESA INTERNATIONAL AT ITS HOME OFFICE Printed in U S A WARRANTY SERVICE Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only Warranty applicable is our standard written Warranty We make no other Warranty expressed or implied A Service Manual is available by writing to the Technical Service ESA INTERNATIONAL Corporate Headguarters 2701 Industrial Drive P O Box 90004 Bowling Green Kentucky 42102 9004 U S A 102384 01 Rev D 07 98 102384
13. cohol or other highly flammable fuels Continued Fueling a Personnel involved with fueling shall be gualified and thoroughly familiar with the manufacturer s instructions and applicable regulations regarding the safe fu eling of heating units b Only the type of fuel specified on the heater s data plate shall be used c All flame including the pilot light if any shall be extinguished and the heater allowed to cool prior to fueling d During fueling all fuel lines and fuel line connections shall be inspected for leaks Any leaks shall be repaired prior to returning the heater to service e At no time shall more than one day s supply of heater fuel be stored inside a building in the vicinity of the heater Bulk fuel storage shall be outside the struc ture f All fuel storage shall be located a minimum of 762cm 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 authority having jurisdiction Never use heater where gasoline paint thinner or other highly flammable vapors are present Follow all local ordinances and codes when using heater Heaters used in the vicinity of tarpaulins canvas or similar enclosure materials s
14. dle Fuel Tank Flange Wheel Support Frame Wheel Cap Nut i Extended B Axle Hub Figure 3 Wheel and Handle Assembly 102384 THEORY OF OPERATION The Fuel System The air pump forces air through the air line The air is then pushed through the burner head nozzle This air causes fuel to lift from the tank A fine mist of fuel is sprayed into the combustion chamber The Air System The motor turns the fan The fan pushes air into and around the combustion chamber This air is heated and provides a stream of clean hot air The Ignition System The electronic ignitor sends voltage to the spark plug The spark plug ignites the fuel and air mixture The Flame Out Control System This system causes the heater to shut down if the flame goes out Motor Air Pump Combustion Spark Intake Burner Chamber Plug Head Fan Air Filter pm um 3 j Vi 2 lt lt Clean Cool Heated ft Air Air Out 5 In m lI 2 7 SiN am ud Output J J Air Filter Fuel Nozzle Air line Electronic Tank Filter To Burner Ignitor FUELS TA Air For Fuel Air For Combustion dien Fuel System And Heating Figure 4 Cross Section Operational View A WARNING Use only kerosene or No 1 fuel oil to avoid risk of fire or explosion Never use gasoline naphtha paint thinners alcohol
15. e Pump Rotor page 14 Turn thermostat knob to a higher setting SERVICE PROCEDURES Upper Shell Removal 1 Remove screws and lock washers along each side of heater using 5 16 nut driver These screws attach upper and lower shells together 2 Lift upper shell off 3 Remove fan guard Fuel Filter Remove side cover screws using 5 16 nut driver 2 Remove side cover 3 Pull upper fuel line off fuel filter neck 4 Carefully pry bushing lower fuel line and fuel filter out of fuel tank 5 Wash fuel filter with clean fuel and replace in tank 6 Attach upper fuel line to fuel filter neck 7 Replace side cover A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Figure 6 Upper Shell Removal Fuel Filter Bushing and Lower Fuel Line Upper Fuel Line Side Cover Figure 7 Fuel Filter Removal 102384 Spark Plug 1 Remove upper shell see page 10 2 Remove fan see page 15 3 Remove spark plug wire from spark plug 4 Remove spark plug from burner head using 13 16 open end wrench 5 Clean and regap spark plug electrodes as follows 2 8 mm 0 110 gap 6 Install spark plug in burner head 7 Attach spark plug wire to spark plug Replace fan see page 15 9 Replace fan guard and upper shell oo Spark Plug Figure 8 Spark Plug
16. e excessive carbon monoxide 102384 PRODUCT IDENTIFICATION Hot Air Outlet Lower Shell N m Upper Shell Power Cord Flame Out Control Reset Button Figure 1 150 000 Btu Hr Thermostat Knob Figure 2 150 000 Btu Hr 102384 UNPACKING ASSEMBLY 1 Remove all packing items applied to heater for shipment 2 Remove all items from carton 3 Check items for any shipping damage If heater is damaged promptly inform dealer where you bought heater These models are furnished with wheels and handles Wheels handles and the mounting hardware are found in the shipping carton Tools Needed Medium Phillips Screwdriver 3 8 Open or Adjustable Wrench e Hammer 1 Slide axle through wheel support frame Install wheels on axle IMPORTANT When installing wheels point extended hub of wheels toward wheel support frame see Figure 3 2 Place cap nuts on axle ends Gently tap with hammer to secure 3 Place heater on wheel support frame Make sure air inlet end rear of heater is over wheels Line up holes on fuel tank flange with holes on wheel support frame 4 Place front handle and rear handle on top of fuel tank flange Insert screws through handles fuel tank flange and wheel support frame Attach nut finger tight after each screw is inserted 5 After all screws are inserted tighten nuts firmly Front Handle Hot Air Outlet Rear Han
17. hall be located a safe distance from such materials The recommended mini mum safe distance is 304 8cm 10 feet It is further recommended that these enclosure materials be of a fire retardant nature These enclosure materials shall be securely fastened to prevent them from igniting or from upsetting the heater due to wind action Use only in well vented areas Before using heater provide atleast a 2800 square cm three square foot opening of fresh outside air for each 100 000 Btu Hr of rating Use only in places free of flammable vapors or high dust content Use only the electrical voltage and frequency specified on model plate Use only a three prong grounded extension cord Minimum heater clearances from combustibles Outlet 250 cm 8 Ft Sides Top and Rear 125 cm 4 Ft Locate heater on a stable and level surface if heater is hot or running or a fire may occur When moving or storing heater keep heater in a level position or fuel spillage may occur Keep children and animals away from heater Unplug heater when not in use Heater is equipped with a thermostat and may start anytime Never use heater in living or sleeping areas Never block air inlet rear or air outlet front of heater Never move handle refuel or service a hot operating or plugged in heater Never attach duct work to front or rear of heater Using duct work could reduce the necessary air flow of the heater Heater would produc
18. l see page 10 2 Remove fan see page 15 3 Remove fuel and air line hoses from burner head 4 Remove spark plug wire from spark plug 5 Remove spark plug from burner head using 13 16 open end wrench 6 Remove three screws using 5 16 nut driver and remove burner head from combustion chamber 7 Place burner head into vise and lightly tighten 8 Carefully remove nozzle from burner head using 5 8 socket wrench see Figure 14 9 Blow compressed air through face of nozzle This will free any dirt in nozzle area 10 Inspect nozzle seal for damage 11 Replace nozzle into burner head and tighten firmly 9 1 12 4 n m 80 110 inch pounds 12 Attach burner head to combustion chamber 13 Install spark plug in burner head 14 Attach spark plug wire to spark plug 15 Attach fuel and airline hoses to burner head 16 Replace fan see page 15 17 Replace fan guard and upper shell Combustion Bw gt KAQ A Burner Head m Spark VA Plug Spark Plug Wire 7 Jod AKG ER 2 CAE Screw lt A 2 A Air Line Hose Fuel Line Hose Figure 13 Removing Burner Head Nozzle Face Nozzle Fuel line Fitting Fitting Figure 14 Removing Nozzle 102384 Pump Rotor Procedure if rotor is binding 1 Remove upper shell see page 10 2 Remove filter end cover screws using 5 16 nut driver 3 Remove filter end cover and air filte
19. 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 e clogged fuel filter and nozzle e carbon build up on spark plug e use of non toxic anti icer in fuel during very cold weather IMPORTANT Use a KEROSENE ONLY 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 Foreign matter may also require you to clean fuel system often 102384 VENTILATION OPERATION Provide a fresh air opening of at least 2800 square cm three square feet for each 100 000 Btu Hr rating Provide extra fresh air if more heaters are being used Example A 150 000 Btu Hr heater will require at least 4 200 square cm 4 5 square feet fresh air opening To Start Heater 1 2 3 4 A WARNING Follow the minimum fresh outside air ventilation requirements If proper fresh outside air ventilation is not provided carbon monoxide poisoning can occur Provide proper fresh outside air ventilation before running heater A WARNING Review and understand the warnings in the Safety Information Section They are needed to safely operate this heater Follow all local codes when using this heater Follow all ventilation and safety information Fill fuel tank with kerosene or No 1 fuel oil Attach fuel cap Plug power cord of heater into st
20. rs 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 1s 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 16 Note Rotate rotor one full turn to insure 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 12 Adjust pump pressure see page 12 Note If rotor is still binding proceed as follows 13 Perform steps 1 through 6 above 14 Place fine grade sandpaper 600 grit on flat surface Sand rotor lightly in figure 8 motion four times see Figure 17 15 Reinstall insert and rotor 16 Perform steps 10 through 12 above Pump Blade Plate Air Intake P Filter Filter End Cover Fan Guard Air Output Filter Figure 15 Rotor Location Gap Adjusting Y 076 101 mm 003 A 004 Gap Measured With Feeler Gauge Gap Adjusting Screw Figure 16 Gap Adjusting Screw Locations Sandpaper Figure 17 Sanding Rotor 102384 Fan IMPORTANT Remove fan from motor shaft before removing motor from heater The weight of the motor resting on the fan could damage the fan pitch 1 Remove upper shell see page 10
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