BOOM GRT880 SERVICE MANUAL
4-42
Published 10/19/2017, Control # 618-00
54. Install two washers (335) on to the sheave pin (313)
followed by sheave (302) and another washer (335) (see
Figure 4-103).
55. Wrap retract cable (7) around sheave (302), then install
cable keeper bracket (315) using four bolts (346) (see
Figure 4-104).
56. Repeat steps 53 through 55 and install sheave pin (313)
and plate (321), washers (335), sheave (302), and cable
keeper bracket (315) on left side of tele 2 (301).
57. At front of tele 2 (301), install side wear pad (356 - K) and
shims (325, 324) to top
set of mounting holes using bolts
(327) (see Figure 4-105) (left and right sides).
58. Install left and right top wear pads (326) and shims (325,
324) using bolts (327) (see Figure 4-105).
59. At front of tele 3 (401), pull on the two front retract cables
(7) and remove any slack to ensure they are not crossed
or catching on anything internally.
60. Apply anti-seize to lugs of telescope cylinder #1 (502),
then install two plates (504, 508). Apply anti-seize to two
plates (504, 508) (see Figure 4-106).
61. Lift both cylinders and remove the wood block from
underneath telescope cylinder #1 (502).
FIGURE 4- 103
9044-49
335
335
313
302
FIGURE 4- 104
9044-52
7
302
315
FIGURE 4- 105
9044-51
325 324356
301
325326 324
K
FIGURE 4- 106
9044-53
508
502
504
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