Manitowoc Grove RT770E, Service Maintenance Manual

Page: 171 / 357

4-27 Published 11/26/2014, Control # 447-05
RT770E SERVICE MANUAL BOOM
4
GROVE
wear pad/grease hose assembly into the attaching
bracket on each side of tele 3 (4).
NOTE: Do not allow the wear pad (94) to hang from the
grease hose, as the threads of the wear pad can be
damaged. If wear pad threads are damaged,
replace the wear pad; do not try to repair with
thread tape.
61. Align tele 2 and 3 with each other, then partially insert
tele 3 (4) into tele 2 (3).
62. Use the shims (70) to adjust the tele 3 rear wear pad
assemblies (71, 82) such that the wear pads are within
2 mm (0.08 in) of the sides and the bottom of tele 2. An
equal number of shims should be used on each side.
63. Insert tele 3 (4) three-quarters of the way into tele 2 (3).
64. Using an adequate lift and sling, slightly raise the front of
tele 3 (4) for the purpose of installing wear pads into the
front of tele 2 (3).
65. Install the upper wear pad (92) into the front of tele 2 (3)
using the two bolts (27) and nuts (28) (left and right
sides); ensure the thin portion of the upper wear pad
(92) is oriented to the side of tele 2 (3) (see Figure 4-43).
66. Install the keeper plate (15) to the front of tele 2 (3) using
the three bolts (19), six flat washers (16), three lock
washers (17), and three nuts (18) (left and right sides)
(see Figure 4-43).
67. Lower tele 3 (4) down onto the newly installed wear pads
(92).
68. Install the shims (89) and the front lower wear pads (90,
91) into the bottom of tele 2 (3).
69. Install the left, right, and bottom keeper plates (2x-14,
13) to the front of tele 2 (3) using the bolts (19), flat
washers (16), lock washers (17), and nuts (18) (see
Figure 4-43).
70. Install the stop block (56) to the front of tele 2 (3) using
the two bolts (58), four washers (16), two lock washers
(17), and two nuts (18) (left and right sides) (see
Figure 4-43).
71. Fully insert tele 3 (4) into tele 2 (3), ensuring the
telescope cylinder (6) passes through the rear of tele 2
without damaging tele 2 and telescope cylinder.
72. Install the two tele 4 extend cables (109, 110) into the
holes in the rear of tele 2 (3) (left and right sides) (see
Figure 4-44).
73. Route the two tele 3 retract cables (65) through the
holes in tele 2 (3) and around the sheave assembly (96)
(left and right sides); ensure cables do not cross one
another (see Figure 4-45).
74. Install the sheave guard weldment (97) over the top of
the two tele 3 retract cables (65), then secure the
FIGURE 4-43
8008-18
15
14
13
56
92
FIGURE 4-44
8008-19
109
110
3
FIGURE 4-45
8008-20
65
96