Manitowoc Grove YB5515-2, Руководство по обслуживанию и ремонту

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Grove
Published 1-20-2017, Control# 483-02
11-9
CD5515-2/YB5515-2 SERVICE MANUAL STRUCTURALS
11 Disassembly
1. At the rear of the assembly, remove the hoses and
fittings from the telescope cylinder. Cap or plug all
openings.
2. Loosen the front top and bottom side wear pads on
boom section 1.
3. Remove the capscrews securing the telescope cylinder
to section 1.
4. Remove the hardware attaching the cable to the anchor
platte.
5. Remove the hardware securing the retainer plate to the
anchor plate.
6. Remove the bolts and lock washers securing the wear
pad retainer plates to the front of boom section 1,
remove the retainer plates.
7. Raise up on the boom section 2 assembly and remove
the wear pads from the boom section 1.
8. Slide the assembly out of the boom section 1.
9. As necessary, remove the following items from the boom
section 1:
a. Wire rope guide.
b. Boom angle indicator.
c. Anti-two-block and RCL components.
d. Jib attachment brackets.
e. Upper rear cable wear pad.
f. Grease fittings and boom pivot pin bushings.
g. Remove the front top and bottom side wear pads,
plugs and set screws.
10. Remove the hardware securing the cable anchor to
boom section 2.
11. Remove the hardware securing the sheave wheels to
the side and top of boom section 2.
12. Remove the top rear wear pads from boom section 2.
13. Remove the hardware securing the telescope cylinder
bracket to the rear of boom section 2.
14. Loosen the front top and bottom side wear pads on
boom section 2.
15. Remove the bolts and lock washers securing the wear
pad retainer plates to the front of boom section 2,
remove the retainer plates.
16. Lift up on boom section 3 assembly and remove the
wear pads from boom section 2.
17. Slide the assembly out of boom section 2.
18. As necessary, remove the following items from boom
section 2:
a. Remove the bolts and lockwashers securing the
lower rear wear pads, remove the wear pads.
b. Remove the front top and bottom side wear pads,
plugs and set screws.
19. Remove the top rear wear pads from boom section 3.
20. Remove hardware securing sheave wheels to side of
boom section 3.
21. Raise up on boom section 4 assembly and remove the
bolts and lockwashers securing the front bottom wear
pads and remove the wear pads from boom section 3.
22. Slide boom section 4 assembly out of boom section 3.
23. As necessary, remove the following items from boom
section 3:
a. Remove the bolts and lockwashers securing the
lower rear wear pad, remove the wear pad.
b. Remove the wire rope guide.
c. Remove the bolts and lockwashers securing the two
long wear bars in the bottom of the section and
remove the wear bars.
d. Remove the bolts and lockwashers securing the
bumper to the bracket in the front of the section and
remove the bumper and shim(s).
e. Remove the bolt, lockwasher and washer securing
the holding bracket to the side of the boom section
and remove the bracket.
f. Remove hardware securing the cable anchor plate
to the bottom of boom section 3.
g. Slide the telescope cylinder assembly out of the
boom section.
NOTE: The following steps pertain to the disassembly of
boom section 4 of the four section boom and
section 3 of the three section boom.
24. Remove the top rear wear pads from boom section 4.
25. 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 four 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.
Reference Only