Shindaiwa DGK25F Service Manual Download Page 20

 

17 

 

7. Tightening Torque

 

7-1 Specific Tightening Torque 

No 

Nomenclature 

Part to 

be 

tighten 

Size 

Qty 

Torque 

Allowance 

Nm(kg

f/

cm) 

Reference 

Exciter Stator 

Bolt 

M5x45 

3.0-4.9 

(30-50) 

 

Rear Bracket 

(Main Stator) 

Bolt 

M12x160 

29.5-32.3 

(300-330) 

 

Generator Stator 

Bolt, 

Shim 

M10x30 

19.7-24.5 

(200-250) 

 

Rotor 

Bolt 

M10x1.25x30 

40.7-49.5 

(415-505) 

7T 

Fan 

Bolt, 

Shim 

M8x25 

9.9-14.7 

(100-150) 

 

Front Bracket 

(Alternator Assy 

to install) 

Bolt 

M10x1.25x25 

40.7-49.5 

(415-505) 

7T 

Engine Stay 

Bolt 

M10x1.25x25 

28.5-34.3 

(290-350) 

Small Head 
(Opposite 
Side 
Distance 
14) 

Socket 

Drain 

Plug 

M12x1.25x13 

39.3-49 

(400-500) 

 

Flexible Tube 

Flange 

Nut 

M8 

17.7-21.5 

(180-220) 

 

10 

Terminal Rest 

(Welding Terminal) 

Nut 

M10 

17.7-21.5 

(180-220) 

Brass 

11 

Battery 

(Terminal 

Attachment) 

Nut 

M8 

5.0-6.0 

(50-62) 

Battery 

Accessory 

12 

Battery 

(Wiring) 

Nut 

M8 

6.9-8.8 

(70-90) 

Battery 

Accessory 

13 

Glow Plug 

(Terminal) 

Nut 

M4 

1.0-1.7 

(10-18) 

Engine 

Accessory 

14 

Oil Pressure 

Switch 

Bolt, 

Shim 

M4x8 

1.4-1.9 

(14-20) 

Engine 

Accessory 

15 

Fuel Strainer 

Bolt 

M8x65 

17.7-21.5 

(180-220) 

Opposite 

Side 

Distance 

12 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for DGK25F

Page 1: ...File DGO 391_DGK25F SERVICE MANUAL DGK25F...

Page 2: ...iwa diesel engine generators designated as DGK25F It is inevitably necessary to maintain and adjust shindaiwa products periodically in order to use fully and safely for long time Therefore understand...

Page 3: ...1 Technical Specification 12 6 2 Generator 13 1 Exciting Amperage 14 2 Resistance Value 14 7 Tightening Torque 17 7 1 Specific Tightening Torque 17 7 2 General Tightening Torque 18 8 Periodical Check...

Page 4: ...ice and maintenance of the equipment for understanding of the equipment safety instructions and cautions Throughout this manual are special attention statements A statement preceded by the triangular...

Page 5: ...nt is used in poorly ventilated area such as inside of the building Entangled Injuries under By Moving Component NEVER reach and touch the moving component during operation ALWAYS stop the engine duri...

Page 6: ...e Before replacing the label s make sure to place the new label s in the same position STOP the equipment immediately when abnormal circumstances are noticed STSTOP the equipment immediately whenever...

Page 7: ...led 4 Cycle Diesel Model Manufacturer 4LE2T ISUZU No of Cylinders bore stroke in mm 4 3 35x3 78 85x96 Continuous Rated Output hp 33 5 Rated Speed rpm 1 800 Displacement cu in liters 133 2 179 Combusti...

Page 8: ...5 4 General 4 1 Dimension Unit in the drawings below is shown by mm...

Page 9: ...6...

Page 10: ...7 5 General Parts Description 5 1 Main Parts and Feature 1 Serial Number Unit Serial Number Engine Serial Number...

Page 11: ...8 5 2 Main Component Voltage Selector Switch Feature Switch to change the voltage Caution This switch should never be changed while the generator is running or serious damage may occur...

Page 12: ...per 10 sec Hz Decrease down to 1000rpm Speed Manual switch ON MEMORY CLEAR Clear record of the engine fault 1 Starter Switch ON 2 Push Memory Clear switch for 3 sec 3 Memory Clear switch ON 4 Turn St...

Page 13: ...cuit Breaker 1 Phase Feature Protect electrical circuit from damage caused by overload or short circuit Circuit Breaker 1 Phase 240 120 Feature Protect electrical circuit from damage caused by overloa...

Page 14: ...ners Manual Starter Key 2 sets Warranty Statement Instruction Manual of the engine Air Cleaner Feature Clean intake air Pre Fuel Filter Feature Filter water or dust in the fuel Main Fuel Filter Featur...

Page 15: ...and it would be 2 sec when coolant temp read 20 Glow lamp ON for 10 sec Automatic Preheat System Min rpm at no load 1000 50 min 1 Max rpm at no load 1930 min 1 Lubricant oil pressure 0 1 0 49MPa 1 5kg...

Page 16: ...13 6 2 Generator Stator Rotor Rotor Exciter field Main bearing Exciter armature Main stator Fan cover Armature Thermo label Rear bracket Bolt Exciter stator Thermo label...

Page 17: ...st be measured by low resistance tester It can not be measured by multi purpose tester due to index error Measurement value Main Stator Exciter Stator Rotor 1 2 3 4 5 Armature Exciter Winding J K Exci...

Page 18: ...W by the low ohm tester Each shall be 0 16 3 Excitation Winding Main Stator Remove the wire harness from the AVR and measure The resistance among A B B C and C A by the low ohm tester Each shall be 1...

Page 19: ...the J K by the low ohm tester It shall be 23 2 K Vi J Gr Remove the varnish by a sand paper and measure Exciter Field the resistance among the two points as shown in the photo above by the low ohm tes...

Page 20: ...t M10x1 25x25 8 40 7 49 5 415 505 7T 7 Engine Stay Bolt M10x1 25x25 8 28 5 34 3 290 350 Small Head Opposite Side Distance 14 8 Socket Drain Plug M12x1 25x13 3 39 3 49 400 500 9 Flexible Tube Flange Nu...

Page 21: ...2 163 6149 627 23 239 20 30 204 306 11712 1194 10 1 5 24 248 21 31 214 316 9744 994 46 473 40 60 408 612 18560 1893 12 1 75 42 433 37 54 377 551 14162 1444 81 825 70 100 714 1020 26976 2751 14 2 0 68...

Page 22: ...ck Add Coolant 6 Coolant Change or 2 years 7 Clean Fuel Filter 1st 2nd 8 Change Fuel Filter 9 Drain Water Clean Fuel Tank 10 Check Leakage Fuel Oil Water 11 Check Add Battery Liquid 12 Clean Air Eleme...

Page 23: ...istance value 1 Replace the volt meter 2 Replace the generator Refer to page 14 No voltage increase 1 Faulty volt meter 2 Faulty generator 3 Faulty AVR or voltage adjuster 4 Slow rotation 5 Faulty ini...

Page 24: ...ltage properly 3 Inspect and repair the cable Abnormal frequency or voltage drop when load is increased 1 Unbalanced load 2 Low rotation speed 3 Over load 1 Check the amperage of each phase 2 Check th...

Page 25: ...code 10 2 Error Code Flash Pattern The monitor lamp that locates in the front panel indicates engine malfunction with a pattern by flash To check 1 Turn the starter switch to RUN 2 The Monitor lamp wi...

Page 26: ...tor lamp does not function when engine is running d The monitor lamp will blink when there was no malfunction today and in the past Note The monitor lamp will flash 3 times only when there was malfunc...

Page 27: ...eliminate 1 Turn the starter switch to RUN 2 Press and hold the memory clear button 3 Connect the 1 pin connector green blue with a negative post from the battery for 3 sec at least while holding the...

Page 28: ...se the engine operation button 5 Turn and remain the starter switch to STOP for more than 10 sec 6 Turn the starter switch to RUN 7 When there is no past record displayed when the memory clear button...

Page 29: ...11 Wiring Diagram 26...

Page 30: ...27...

Page 31: ...3 YAMABIKO CORPORATION 35 SHIN UJIGAMI KITA HIROSHIMA CHO YAMAGATA GUN HIROSHIMA 731 1597 JAPAN Telephone 81 826 72 5140 Fax 81 826 72 7004 www yamabiko corp co jp...

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