4-25
Published 10/19/2017, Control # 618-00
GRT880 SERVICE MANUAL BOOM
52. Remove bolts (536) and washers (512) securing the two
retract cables (7) to pin (511) at front of telescope
cylinder #2 (501) (see Figure 4-39).
53. Remove two nuts (543) securing cable keeper (518)
onto the two long bolts (517) (see Figure 4-78).
54. Lift telescope cylinder #2 (501) and set on adequate
supports.
55. Pull telescope cylinder #1 (502) out of tele 3 (401) until
tip of cylinder #1 (502) is near the rear of tele 3 (401).
56. Remove bolts and washers (537, 531) securing left and
right brackets (507) to sheave head weldment (506).
Remove the wear pads (523) from the two brackets
(507) (see Figure 4-41).
57. Remove two bolts, washers, and lock washers (417,
416, 415) securing plate (404) to tele 3 (401) (see
Figure 4-42).
FIGURE 4-39
9044-24
7
501
511
FIGURE 4-40
9044-23
543
518
517
FIGURE 4-41
9044-18
523
502
507
506
FIGURE 4-42
9044-17
6
404
401
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