5-80 Published 7-23-2020, Control # 668-02
SET-UP AND INSTALLATION GRT9165 OPERATOR MANUAL
Removing the Anti-two Block Switch from the Boom
Extension Base
1. Remove the safety pin (5) and remove switch weight (6)
from the hoist rope.
2. Remove the electrical plug from the socket (4). Install
the protective cap on the socket (4).
3. Remove retaining clip (3) and the anti-two block switch
(1) from bracket (2).
4. Install the anti-two block switch (1) on the main boom
nose.
Boom Extension Fly Section
Use the following procedures to install and remove the
anti-two block switch from the end of the boom extension fly
section. The anti-two block switch can be installed on the left
or right side of the nose of the fly section.
Installing the Anti-two Block Switch on the Fly
Section
1. Install the anti-two block switch (1, Figure 5-67) on the
bracket (2) on either side of the fly section nose. Secure
with retaining clip (3).
2. Remove protective cap from the socket (4). Connect the
switch electrical connector to the socket (4).
3. Secure excess wire on stowage hooks (5) as necessary.
4. Remove safety pin (6) and install anti-two block weight
(7) around the hoist rope. Install the safety pin (6).
FIGURE 5-66
2
3
4
Left Side
5
1
6
10008
10009
10010
10011
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