Manitowoc Grove GRT880

4-41
Published 10/19/2017, Control # 618-00
GRT880 SERVICE MANUAL BOOM
4
GROVE
(501, 502) are centered and do not hit tele 2 (301) as
they pass through it (see Figure 4-99).
50. Cut zip-tie holding two retract cables (7) together above
telescope cylinder #2 (501).
51. Install pins (213) and large heavy washers (J) to the left
and right sides of the bottom lug holes of telescope
cylinder #2 (501) (see Figure 4-100). Using an adequate
crane and chains, lift telescope cylinder #2 by its lugs
(see Figure 4-101).
52. Remove all supporting blocks that were supporting
telescope cylinder #2 (501).
53. Install sheave shaft (313) through right side of tele 2
(301) ands secure in place with plate (321) and two bolts
(347) (see Figure 4-102).
FIGURE 4-99
9044-45
H
301
7
FIGURE 4- 100
9044-46
J
501
213
FIGURE 4- 101
9044-47
FIGURE 4- 102
9044-48
313
321
301
Reference Only