GROVE Published 1-20-2017, Control # 468-02 5-3
CD5515-2/YB5515-2 OPERATOR MANUAL ATTACHMENTS
9. After installing the rope retention pin and retaining clip
into the boom head (Figure 5-5). Check that the wire
rope is not contacting retention pin at the top of the
boom head.
10. Using the hoist control, raise the block or hook ball off of
the ground. Check that the wire rope is engaged in all
the sheaves in the boom, hoist block and hoist drum.
Adjusting the Optional Boom Extension
Offset
The boom extension offset is adjusted by moving the boom
head to a minus 15° or 30° (Figure 5-3). With the extension
attached it is necessary to raise or lower both the extension
and the boom head simultaneously.
1. Lower the hook and ball to the ground.
2. Provide adequate support at the end of the extension.
Use another crane or hoist to support the extension.
3. Remove the retaining clip and rope retention pin from
the top of the boom head (Figure 5-4).
4. With the extension supported, remove the lynch pin and
pivot lock pin. It will be necessary to remove the weight
on the pin in order to remove it.
5. Raise or lower the main boom until the desired offset
angle is achieved. (Figure 5-3).
6. Install the pivot lock pin and lynch pin.
7. Install the rope retention pin and retaining clip into the
top of the boom head (See Figure 5-4 and Figure 5-5).
8. Raise the hook and ball. Check that the wire rope is
engaged in all the sheaves in the boom, hoist block and
hoist drum.
HOOK BLOCK
Removing the Hook Block
1. Lower the hook block to the ground to place slack in the
wire rope.
2. Remove the pin Figure 5-6 securing the rope wedge
socket and spacer to the boom head.
NOTE: When removing the hook block to install the down
haul weight, the wire rope dead end assembly does
not have to be disassembled
3. Remove the three pins as indicated in Figure 5-7.
4. Pull the wire rope and dead end through the block.
5. Install the three pins.
WARNING
Crushing Hazard!
The boom extension is very heavy. Use another crane or
hoist to support the extension from falling when the pivot
anchor pin is removed and adjusting the extension angle.
A falling boom can cause serious injury or death.
CAUTION
Ensure that the hook assembly’s safety latch Figure 5-7
does not get damaged.
p3026a
FIGURE 5-6
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Pin
Reference Only