5-76 Published 7-23-2020, Control # 668-02
SET-UP AND INSTALLATION GRT9165 OPERATOR MANUAL
Retracting Hydraulic Hoses for Main Boom
Operation
Use the following procedure to retract the hydraulic hoses on
the drum for main boom operation.
NOTE: This procedure assumes the hydraulic hoses are
disconnected from the optional hydraulic boom
extension or lattice insert.
1. Make sure the locking device is unlocked (1,
Figure 5-62) and the hose drum (2) can rotate.
2. Remove pins (7) and fold up the guide sheaves (8).
3. Remove retaining clips (3) from pins (4) and hose end
bracket (5) from boom nose stowage bracket (13).
4. Detach the strain relief bracket (9) from the boom nose
mounting bracket (12) and attach it to the boom base
section mounting bracket (10).
5. Install hose end bracket (5) on boom base section
stowage bracket (6). Secure with retaining clips (3).
6. Fold down the guide sheaves (8) and secure them with
the pins (7).
7. Lock (1) the hose drum (2).
Connecting the Hydraulic Hoses for Operation
Use this procedure to connect the hydraulic hoses from the
(optional) hydraulic boom extension or lattice insert to the
hose drum hoses located on the boom nose.
1. If necessary, extend the hydraulic hoses on the boom
nose. For more information, see Extending Hoses for
Hydraulic Boom Extension Operation, page 5-74.
2. Remove the caps from the hydraulic hoses (1) on the
boom extension or lattice insert.
3. Remove the caps from the hydraulic hoses (2) on the
boom nose.
4. Connect the boom extension or lattice insert hydraulic
hoses (1) to the hose drum hydraulic hoses (2) on the
boom nose. Turn the nut to secure the connections.
When the couplers are fully connected, the coupler
sleeve clicks into place.
5. Secure any excess hose on the hooks on boom
extension or lattice insert.
Disconnecting Hydraulic Hoses
Use this procedure to disconnect the hydraulic hoses on the
(optional) hydraulic boom extension or lattice insert from the
hose drum hoses located on the boom nose.
1. Disconnect the hydraulic hoses (1, Figure 5-63) from the
boom extension or lattice insert from the hose drum
hydraulic hoses (2) on the boom nose.
2. Install the protective caps on the hydraulic hoses (1, 2).
3. Store excess hose length on the hooks (3) on the boom
extension or lattice insert.
CAUTION!
Machine Damage!
Feed the hydraulic hoses under the main boom head in
such a way that they hang freely. Take care that the hoses
are not torn off when erecting or stowing the lattice insert
extension. This prevents damage to the hydraulic hoses.
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