5-74 Published 7-23-2020, Control # 668-02
SET-UP AND INSTALLATION GRT9165 OPERATOR MANUAL
Unlocking the Drum
Rotate the latch (1, Figure 5-61) clockwise to disengage it
from hose drum strut (2).
Locking the Drum
1. Turn the hose drum until a strut is near the latch (1).
2. Rotate the latch (1) counterclockwise and then allow the
hose drum to slowly rotate until the latch engages the
strut (2).
Extending Hoses for Hydraulic Boom
Extension Operation
Use the following procedure to extend the hydraulic hoses to
connect to the (optional) hydraulic boom extension or lattice
insert.
NOTE: This procedure assumes the (optional) hydraulic
boom extension or lattice insert is installed to the
boom nose and the hose end bracket is stowed on
the base section.
1. Disengage the latch (1, Figure 5-62) to unlock the hose
drum (2).
2. Remove the retaining clips (3) from pins (4) and hose
end bracket (5) from the boom base section stowage
bracket (6).
3. Remove the pins (7) and fold up the guide sheaves (8).
4. Remove the strain relief bracket (9) from its boom base
section mounting bracket (10) and pull the hydraulic
hoses (11) towards the boom nose.
5. Hook the strain relief bracket (9) onto the boom nose
mounting bracket (12).
6. Install the hose end bracket (5) on the boom nose
stowage bracket (13) with retaining clips (3).
7. Fold down the guide sheaves (8) and secure them with
the pins (7).
CAUTION
Spring Loaded Equipment Hazard!
The drum must be locked before removal. The drum is
spring loaded and must be locked to prevent damage or
injury.
DANGER
Spring Loaded Equipment Hazard!
If the strain relief bracket (9, Figure 5-62) is detached after
the locking device has been released, do not under any
circumstances let go of the strain relief bracket before it
has been re-attached. If you let go of the strain relief
bracket, the hydraulic hoses will spring back
uncontrollably due to the spring force in the hose drum
and may injure persons or damage parts of the crane.
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