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Lincoln Dual Technology Finisher 1921, Руководство по обслуживанию

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DTF – 1920 Series Service Manual 

22

 

CONVEYOR  

MODEL 1921, 1922 

S/N 8001199 and Below

 

A 

370477 

Crumb pan, right 

B 

370478 

Crumb pan, left 

C 

370440 

Frame, conveyor 

D 

370479 

Belt, conveyor 

E 

370480 

Bracket, conveyor bearing 

F 

370481 

Flanged bearing, conveyor 

G 

370482 

Shaft, idler 

H 

369515 

Drive sprocket 

I 

369952 

Connecting link, conveyor (three required) 

J 

370483 

Shaft, drive 

K 

369471 

Pin 

Not shown 

370484 

Conveyor assembly, complete 

 

 

 

 

       

 

 

 

 

Содержание Dual Technology Finisher 1921

Страница 1: ...INISHER MODEL 1920 SERIES Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Phone 800 374 3004 U S Fax 888 790 8193 Int l Fax 260 436 0735 Techn...

Страница 2: ...The thermocouple will provide varying millivolts to the oven control The oven control supplies 208 240VAC to the coil of the heater relay at intermittent intervals to maintain the desired temperature...

Страница 3: ...DTF 1920 Series Service Manual 3 SCHEMATIC DIAGRAM MODEL 1921 S N 8001207 and Below...

Страница 4: ...DTF 1920 Series Service Manual 4 SCHEMATIC DIAGRAM MODEL 1922 S N 8001207 and Below...

Страница 5: ...DTF 1920 Series Service Manual 5 SCHEMATIC DIAGRAM MODEL 1921 1922 S N 8001208 and Above...

Страница 6: ...for supply voltage to the coil of the main fan relay If no voltage is present trace wiring back to the 30 minute time delay relay If voltage is present check to insure contacts are closing Replace as...

Страница 7: ...be sure that the thermocouple is securely connected to the oven control If the thermocouple is connected to the oven control and the control indicates PROBE FAIL disconnect the thermocouple from the...

Страница 8: ...OFF To check resistance of the elements remove all leads from the elements and use a digital multimeter The element resistance should be as follows 208V 45 ohms approx 240V 58 ohms approx Replace hea...

Страница 9: ...he motor windings as follows Grey to black 236 ohms approx Grey to brown 236 ohms approx Brown to black 472 ohms approx If any of the above fails replace conveyor motor Capacitor conveyor motor Check...

Страница 10: ...motor from motor mount 6 Reassemble in reverse order and test for proper operation MAIN FAN REPLACEMENT See MOTOR MAIN FAN above SWITCH ON OFF SWITCH STANDBY REPLACEMENT 1 Shut off power at main break...

Страница 11: ...in breaker 2 Remove rear cover 3 Remove wires from appropriate heater relay and mark wires for reassembly 4 Remove mounting screws from heater relay and remove heater relay 5 Reassemble in reverse ord...

Страница 12: ...r at main breaker 2 Remove control box top Remove tube from air pressure switch 3 Remove wiring from air pressure switch and conveyor motor capacitor and mark all wiring for reassembly 4 Remove two sc...

Страница 13: ...ews and remove heating element 5 Reassemble in reverse order and check system operation HEATING ELEMENT INFRARED REPLACEMENT 1 Shut off power at main breaker 2 Remove conveyor and lower finger assembl...

Страница 14: ...w control is installed the control will need to be initialized To initialize the new control press and hold the two center buttons on the front control panel After the oven starts release the buttons...

Страница 15: ...DTF 1920 Series Service Manual 15 This page intentionally left blank...

Страница 16: ...r right Marked RS E 370445 Front element cover F 370446 Front cover G 370447 Finger cover upper H 370442 Columnating plate upper I 370439 Finger housing upper J 370448 Air wash panel upper K 370449 Ai...

Страница 17: ...DTF 1920 Series Service Manual 17...

Страница 18: ...pring compression E 369413 Drive key F 369410 Coupling sleeve G 370106 Washer H 350259 Screw I 370458 Heating element Infrared 208VAC 370460 Heating element Infrared 240VAC J 370462 Motor conveyor K 3...

Страница 19: ...DTF 1920 Series Service Manual 19...

Страница 20: ...nd Above G 370468 Cover heating element H 370471 Cooling fan I 370472 Air switch tube assy J 369427 Transformer control K 370459 Heating element 208VAC 370461 Heating element 240VAC L 369479 Relay Hea...

Страница 21: ...DTF 1920 Series Service Manual 21...

Страница 22: ...370478 Crumb pan left C 370440 Frame conveyor D 370479 Belt conveyor E 370480 Bracket conveyor bearing F 370481 Flanged bearing conveyor G 370482 Shaft idler H 369515 Drive sprocket I 369952 Connectin...

Страница 23: ...veyor D 370479 Belt conveyor E 370480 Bracket conveyor bearing F 370481 Flanged bearing conveyor G 370482 Shaft idler H 369515 Drive sprocket I 369952 Connecting link conveyor three required J 370483...

Страница 24: ...DTF 1920 Series Service Manual 24...

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