STRUCTURALS 5540F/YB5515 SERVICE MANUAL
11-8
NOTE: Refer Figure 11-10 For steps 19 thru 22.
Steps 19 thru 22 pertain to the disassembly of
boom section 4 of the four section boom and
section 3 of the three section boom.
19. Remove the top rear wear pads from the boom section.
20. Remove the snapper pin and pin securing the telescope
cylinder to the boom section. (refer to Figure 11-11)
21. Slide the telescope cylinder assembly out of the boom
section.
22. As necessary, remove the following items from the boom
section:
a. On the three section boom only, remove the bolts
and lockwashers securing the rear bottom wear pad
and remove the wear pad.
b. On the boom nose, remove the three cotter pins and
clevis pins.
c. On the four section boom, remove the retract
adjuster.
d. Remove the bolt securing the upper sheave pin and
remove the pin, sheave and two nylatron washers.
e. Remove the bolt securing the lower sheave pin, and
remove the pin, two sheaves and three nylatron
washers.
FIGURE 11-10
11537-A
1. Boom Section
2. Retract Adjuster **
3. Nut **
4. Nylatron Washer
5. Sheave
6. Bearing
7. Cotter Pin
8. Clevis Pin
9. Bolt **
10. Nut **
11. Lower Sheave Pin
12. Bolt
13. Grease Fitting
14. Upper Sheave Pin
15. Lockwasher
16. Wear Pad
17. Bolt *
18. Lockwasher *
19. Wear Pad *
Reference Only
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