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4-6
Published 10-01-2020 Control # 699-00
BOOM
GRT9165 SERVICE MANUAL
23.
The support crane now holds the weight of the boom.
24.
Raise the boom clear of the crane and lower it to the
ground or trailer. Set cribbing to support the boom and
prevent tipping.
25.
Remove straps and lift brackets from the boom.
26.
Re-install the pivot pins for later use and remove the
boom pivot pin removal tools from the superstructure.
BOOM INSTALLATION
NOTE:
The following procedure applies to the entire boom
assembly that has been totally removed from the
crane.
The boom, without any boom extension, weighs
approximately 15662 kg (34528 lbs).
1.
Set up the machine properly on outriggers.
2.
Attach the front (1, Figure 4-2) and rear (2) lifting
brackets to the boom. For more information, see step 10
on page 4-2.
3.
Install the rear boom pivot pins as follows:
a.
Install the boom pivot pin removal tool on the right
side of the superstructure (Figure 4-5). For more
information, see step 17 on page 4-4.
b.
Install the boom pivot pin removal tool on the right
side of the superstructure (Figure 4-6). For more
information, see step 18 on page 4-5.
c.
For the right side pin, move the control handle (1,
Figure 4-7) on the removal tool to extend the pivot
pin.
d.
For the left (cab) side pin, move the control hand (1)
on the removal tool to extend the pivot pin.
e.
For the right side pin, disconnect the removal tool
hydraulic connections (4 and 5, Figure 4-4) and
remove the hydraulic tools.
f.
For the left (cab) side pin, disconnect the removal
tool hydraulic connections (4 and 5, Figure 4-5) and
remove the hydraulic tools.
g.
For the right side pin, secure the pivot pin to the
superstructure with busings (2, Figure 4-4) and
capscrews (1). Torque the capscrews. For more
information, see
h.
For the left (cab) side pin, secure the pivot pin to the
superstructure with busings (2, Figure 4-5) and
capscrews (1). Torque the capscrews. For more
information, see
4.
Remove the rear boom pivot pins.
5.
Attach tag lines to the boom as necessary.
6.
Lift the boom. Lower the rear of the boom into position.
Align the boom pivot mounting holes with mounting
holes in the turntable. Make sure all hydraulic and
electrical cables are out of the way so they will not be
damaged.
7.
Lubricate the pivot bushings in the turntable.
NOTE:
The boom may need to be raised or lowered to aid
in the installation of the boom pivot shafts.
8.
Apply anti-seize compound to the boom pivot shafts.
9.
Prior to starting the lift cylinder to boom installation,
make sure the lift cylinder is securely resting on the lift
cylinder support.
10.
Lower the boom so the boom is near the lift cylinder.
DANGER
Crushing Hazard!
Ensure blocking and lifting devices are capable of
supporting the boom assembly.
Block the boom before doing any work under the boom.
Failure to properly support the boom and/or the lift
cylinder may result in death or serious injury.
1
FIGURE 4-7
10244
CAUTION
Equipment Damage Hazard!
If the hydraulic system must be activated to extend or
retract the lift cylinder, ensure the rod end is properly
aligned with the lift cylinder pivot.
Содержание Grove GRT9165
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