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Hersteller: John Deere Dateigröße: 1.32 mb Dateiname: Unterrichtssprache:

It has only information you need for normal operation and maintenance. If a technical manual is desired, see your John Deere dealer for the correct manual. USING SERVICE RECORDS 1. Keep a record of the number of hours or operation. 2. Check your record regularly to learn when service is required. 3. Do all the services in the interval section. Then write the number of hours (from your service record) and the date in the spaces provided. Sample Service Record Chart Date Hours 1 Jun '85 3 6 Jun '85 2 - (5) 7 Jun '85 1 - (6) 11 Jun '85 4 - (10) 17 Jun '85 3 - (13) 150 HOURS Drain Fuel Tank. 250 HOURS Clean flame sensor. Clean air intake filter. Clean fan. Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date Hours Date JOHN DEERE 13 Periodic Service 500 HOURS Clean flame sensor. Clean air intake filter. Clean fan. Clean fuel filter. Replace air output and lint filters. See your John Deere dealer for service. Hours Date Hours Date Hours Date Hours Date Hours Date YEARLY Clean fuel nozzle. Drain fuel tank. Clean fuel filter. Clean flame sensor. Clean air intake filter. Clean fan. Hours Date Hours Date Hours Date Hours Date Hours Date CAUTION: Before performing service, disconnect power cord from electrical outlet. Failure to unplug heater could cause serious injury. Allow heater time to cool. Severe burns and electrical shock can occur. DRAINING FUEL TANK 1. Remove drain plug (A). 2. Drain and flush tank with clean fuel. 3. Replace drain plug. A 107351-01C 14 Periodic Service CLEANING FLAME SENSOR 1. Remove upper shell (A) from heater by removing self-tapping screws. Note:Nose Cone Guard must be removed first on model T70. A IMPORTANT: DO NOT bend flame sensor mounting bracket. 2. Remove sensor (A) from bracket (B) and clean face of photocell with a soft cloth. 3. Insert sensor into bracket. 4. Install upper shell. CLEANING AIR INTAKE FILTER 1. Remove upper shell and plastic fan guard. 2. Remove filter (A) from filter cover (B). 3. Clean filter in mild detergent and warm water. Dry thoroughly before reinstallation. Replace if needed. IMPORTANT: DO NOT oil filter or pump. There are two other filters inside the pump assembly; an air output filter and a lint filter. See your John Deere dealer for service. B A AB 107351-01C 15 Periodic Service WARNING: High Voltage! REPLACING FUSE 1. Unplug heater. 2. Remove side cover screws to expose ignition control assembly. 3. Remove fuse cover (A). 4. Remove fuse from fuse clips (B). 5. Replace fuse (C) with fuse of the same type and rating (GMA-10). Do not substitute a fuse with a higher current rating. 6. Replace fuse cover. 7. Replace side cover. B C A CLEANING FAN CAUTION: Fan blades are sharp. Carefully work around blades or wear gloves when cleaning. 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 and fan guard. 2. Loosen setscrew (A) which holds fan (B) to motor shaft (C). 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. 7. Place setscrew on flat of shaft. Tighten setscrew firmly (40 to 50 in-lbs/4.5 to 5.6 N-m). 8. Replace fan guard and upper shell. B C A Flush 107351-01C 16 Periodic Service CLEANING FUEL NOZZLE 1. Remove upper shell and fan guard. CAUTION: Fan blades are sharp. Carefully work around blades or wear gloves when removing or installing parts. 2. Remove fan. 3. Remove fuel line hose (A) and air line hose (B) from nozzle assembly (C). 4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove from burner strap (D). 5. Place plastic hex-body into vise and lightly tighten. 6. Carefully remove nozzle (A) from the nozzle adapter (B). IMPORTANT: DO NOT clean nozzle passage with a wire or any other tool, or damage could result. 7. Blow compressed air through face of nozzle (D). This will free any dirt in nozzle area. 8. Inspect nozzle seal (C) for damage. CAUTION: If nozzle is not tightened, fuel will leak into lower shell causing a potential fire hazard. 9. Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench (40 to 45 in-lbs/4.5 to 5.1 N-m). 10. Attach nozzle assembly to burner strap. 11. Attach fuel and airline hoses to nozzle assembly. See Fuel and Airline Replacement and Proper Routing,page 18. 12. Replace fan. 13. Replace fan guard and upper shell. D C B D A B C 107351-01C 17 Periodic Service FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING 1. Remove upper shell. 2. Remove side cover screws. 3. Remove side cover. 4. Inspect fuel line hoses (A) and air line hoses (B) for cracks and/or holes. If fuel line hose is damaged, disconnect from nozzle adapter (C) and from fuel filter. If air line hose is damaged, disconnect from nozzle adapter (C) and from barb fitting (D) on pump end cover (E). 5. ...

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