HARDI-EVRARD ALPHA PLUS 4100 - Boom Break-away and Damper Maintenance; Break-away Device Adjustment; Rubber Damper Inspection and Removal

ALPHA PLUS HARDI NOVA
MM AA II NN TT EE NN AA NN CC EE
CHAPTER
55-
22
The break-away device is adjusted by increasing or decreasing
the amount of spring loading. Adjust the position of nut
((AA))
on
the eye bolt, which holds the spring
((BB))
1. Inspect that the rubber dampers are intact, if not,
they must be renewed.
2. Inspect that the assembly is tightened.
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AA
AA
BB
To ensure optimal damping and stability of the boom,
control of the rubber dampers is necessary at regular
intervals.
1. Unfold the boom
2. Loosen and unscrew with one turn the jag nut
AA
3. Loosen the rubber damper
BB
3. Loosen the nut
CC
4. Retain nut
DD
against the jag nut
AA
.
5. Unscrew the rubber damper
BB
from the bolt head
EE
6. Grease the top of the new damper
FF
and fasten it com
-
pletely with the bolt head
EE
7. Reassemble in reverse order
8. Retain the bolt head
EE
with a spanner and tighten the
jag nut
AA
against the rubber damper
BB
9. Carry out the same procedure at the other rubber dam-
pers.
CC
BB
DD
EE
BB
FF
EE
AA
DD
CC
R
emoval
BB
AA