BOOM GRT880 SERVICE MANUAL
4-22
Published 10/19/2017, Control # 618-00
37. Remove washer (335), sheave (302) and two washers
(335) from sheave shaft (313) (see Figure 4-26 and
Figure 4-27).
38. Remove two bolts (347) and plate (321) securing
sheave shaft (313) to tele 2 (301), then remove sheave
shaft (see Figure 4-28).
39. Repeat steps 36 through 38 and remove two bolts (347)
and plate (321) securing left sheave shaft (313) to tele 2
(301).
40. Using blocks of wood or similar (F) on each side of
telescope cylinder #1 (502), block up telescope cylinder
#2 (501) so that it does not sit on top of cylinder #1 (502)
(see Figure 4-29).
41. Pull tele 3 (401) out several feet from tele 2 (301).
42. Remove bolts, washers, lock washers, and nuts (338,
342, 339, 351) securing bottom left and right side stop
plates (319) to front of tele 2 (301) (see Figure 4-30).
FIGURE 4-27
9044-49
335
335
313
302
FIGURE 4-28
9044-48
313
321
301
FIGURE 4-29
9044-30
401
501
502
F
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