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TT-1640

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1. Top cover plate (GM87564) and use existing hardware.

Remove and discard fill neck and cap.

2. Dry exhaust elbow (GM49740) and use existing clamp.

Remove existing dry exhaust elbow and hose clamp.

3. Insulated clamp (X-672-33)

4. Belt guard bracket (GM64267), washers (X-25-130 qty. 2),

screws (M933-06020-60 qty. 2), and nuts (M6923-06-80 qty. 2)

5. Lower radiator hose (GM90938) and hose clamps (X-426-2

qty. 2)

6. Skid extension (GM90785-WHT or -G49)

7. Radiator mounting bracket, LH (GM90790-WHT or -G49)

8. Pusher fan (GM39049)

9. Washers (M125A-08-80 qty. 4) and screws (M933-08012-60

qty. 4)

10. Radiator support, LH (GM90788)

11. Remove plug on expansion tank and discard. Add hose

connector (X-380-5).

12. Upper radiator hose (GM90937) and hose clamps (X-426-2

qty. 2)

13. Fan shroud brackets (343422 qty. 2), washers (X-25-75

qty. 6) and screws (M933-08016-60 qty. 6)

14. Radiator assembly (GM90767 or GM90768)

15. Cable tie (X-468-1)

16. Remove plug from top tank of radiator and add hose

connector (X-582-39)

17. Low coolant level sensor (GM66270) and radiator harness

(GM91709)

18. Washers (M125A-08-80 qty. 6), screws (M933-08016-60

qty. 6), and threaded inserts (X-6365-2 qty. 6).

Torque to 2.8 Nm (25 in. lbs.)

19. Wire fan guard (343062)

20. Fan shroud (343054)

21. Flex line (X-386-90)

22. Washers (M125A-08-80 qty. 4) and screws (M933-08012-60

qty. 4)

23. Radiator support, RH (GM90787)

24. Skid extension brackets (GM87555-WHT or -G49 qty. 2)

25. Screws (M933-10030-60 qty. 8) and nuts (M6923-10-80 qty. 8)

26. Drill screws (X-794-1 qty. 10)

27. Radiator guard (GM90798)

28. Skid extension end cap (GM90783-WHT or -G49)

GM90678-C

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Figure 14

Installed Kit (Sheet 1 of 2)

Summary of Contents for TT-1640

Page 1: ...th Disconnect the battery cables before working on the generator set Remove the negative lead first when disconnecting the battery Reconnect the negative lead last when reconnecting the battery WARNIN...

Page 2: ...rd coolant recovery tank and dry exhaust elbow 2 1 Remove the belt guard belt guard brackets coolant recovery tank and bracket and hose that connects to the pressure cap See Figure 3 2 2 Remove the dr...

Page 3: ...Remove and discard the existing belt 2 Belt guard bracket LH GM93388 WHT or G49 washer M125A 10 80 and screw M933 10025 60 3 Washer X 25 40 and screw M933 06020 60 4 Belt guard bracket GM90898 WHT or...

Page 4: ...2 3 5 6 7 4 GM90678 C 8 Figure 9 Belt Guard Assembly 7 1 Assemble the belt guard as shown in Figure 9 7 2 Using the belt guard bracket assemblies attach the belt guard to the engine See Figure 9 and F...

Page 5: ...923 06 80 9 5 Connect the upper radiator hose GM90937 to the radiator and engine port using two hose clamps X 426 2 to secure See Figure 11 for location Note Place hose clamps 6 mm 0 25 in from the ho...

Page 6: ...3 10030 60 and 4 nuts M6923 10 80 per side See Figure 12 and Figure 13 10 3 Attach the right hand radiator support GM90787 to the radiator using 4 washers M125A 08 80 and 4 screws M933 08012 60 See Fi...

Page 7: ...X 426 2 qty 2 13 Fan shroud brackets 343422 qty 2 washers X 25 75 qty 6 and screws M933 08016 60 qty 6 14 Radiator assembly GM90767 or GM90768 15 Cable tie X 468 1 16 Remove plug from top tank of rad...

Page 8: ...ipe coupling X 216 23 16 Drain valve 278788 17 Belt guard top GM90779 18 Washers X 25 40 qty 6 and screws M933 06014 60 qty 6 19 Washers M125A 08 80 qty 2 and screws M933 08012 60 qty 2 20 Belt guard...

Page 9: ...amage The block heater will fail if the energized heater element is not immersed in coolant Fill the cooling system before turning on the block heater Run the engine until it is warm and refill the ra...

Page 10: ...in OD X 25 75 1 Connector hose X 380 5 1 Line flex X 386 90 4 Clamp hose 2 31 3 25 in X 426 2 1 Cable tie X 468 1 1 Connector hose X 582 39 6 Insert threaded X 6365 2 2 Clamp insulated 2 62 in X 672 3...

Page 11: ...TT 1640 11 14 11 1 Coolant Level Sensor 1 See the full wiring diagram in the operation manual GM93792B A Figure 18 Wiring for Coolant Level Sensor Typical...

Page 12: ...er Systems Asia Pacific Headquarters 7 Jurong Pier Road Singapore 619159 Phone 65 6264 6422 Fax 65 6264 6455 Availability is subject to change without notice Kohler Co reserves the right to change the...

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