background image

2                                        

31200804

SkyTrak Boom Pivot Repair Instructions

For Kit 1001141603

7. Using a portable grinder or air carbon-arc equipment, 

remove both boom pivot plates (1) from the pivot 
tower weldment (2).

8. Inspect the affected area of the pivot tower weldment 

for cracks. If any discrepancies are evident, notify 
JLG Safety 1-877-554-7233 (877-JLG-SAFE) for 
further evaluation.

9. Grind the repair area (3) flush and prepare surfaces 

for welding.

10. Locate the Boom Pivot Plate Weldment (4) P/N 

1001141633 to the pivot tower weldment (2). See 
“Boom Pivot Plate Welding Locations” on page 3. 
Tack into place.

11. Completely weld the boom pivot plates to the pivot 

tower weldment using the recommended weld 
material with types and sizes. See “Boom Pivot Plate 
Welding Locations” on page 3.

12. Inspect welds using the magnetic particle or 

dye-penetrant inspection methods to assure there 
are no cracks or deformities. If any cracks or 
deformities exist, grind to remove affected area(s) 
and repeat the weld and inspection procedures.

13. Remove the three retaining bars (5) connecting the 

two pivot plates.

14. Clean, prime and paint the affected areas.

Note:  Refer to Service Manual 31200353, Section 3.4.8 
for detailed boom assembly installation.

15. Properly connect the battery.

16. Verify the proper operation of all boom functions 

through a minimum of five cycles.

17. Inspect the repair areas for discrepancies. Contact 

JLG Safety 1-877-554-7233 (877-JLG-SAFE) for 
further evaluation if any discrepancies are found.

18. Close and secure the engine covers.

19. Remove the Do Not Operate Tags from both the 

ignition key switch and the steering wheel

.

20. Return machine to service.

NOTICE

Do not damage the parent metal during this procedure.

MH7000

2

1

MH7020

3

MH7010

5

2

5

5

4

Reviews: