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18
6-1624821 rev. 12 21/07/16
Remove the control board plastic box in a way to create space within the column.
Pic. 1 - Unscrew the two ring nuts from the balancing-unit
Pic. 2 - Remove the lower balancing-unit piece.
Pic. 3 - Remove the two plastic washers from the central pipe, they are useless to install just two balancing springs.
Pic. 4 - Fit the two springs on the side pipes.
N.B. Springs must be chosen following the SPRINGS CHOICE AND ADJUSTMENT TABLE.
Pic. 5 - Fit the lower balancing-unit in a way that its two plastic elements touch the side springs.
Pic. 6 - Screw the first ring nut in a way that its side with the larger smooth surface touches lower balancing-unit.
Pic. 7 -
N.B.: SCREW THE RING NUT AS SHOWN IN THE TABLE ABOVE (TENSION H - Picture 6 Page 20) with the supplied wrench.
Screw the second ring nut in away to block the first one.
Go ahead to assemble the arm following the indications provided in the “ARM ASSEMBLY” paragraph.
FITTING 2 BALANCING SPRINGS
1
2
3
4
G
B
*
H
mm
** It may vary according to where the articulated boom arm is divided
TABLE FOR THE ADJUSTMENT OF SPRINGS FOR A 3 m - LONG BOOM
BOOM TYPE
CODE
SPRINGS TO ORDER
TENSION H*
Ø 60 ALLMATIC Boom
664100236
n. 2 64100270 Ø 4
20
Ø 80 ALLMATIC Boom
664100239
n. 3 64100270
20
Ø 80 ALLMATIC Articulated boom
664100239
n. 2 64100271
--**
TABLE FOR THE ADJUSTMENT OF THE SPRINGS FOR A 4 m - LONG BOOM
BOOM TYPE
CODE
SPRINGS TO ORDER
TENSION H*
Ø 60 ALLMATIC Boom
664100236
n. 3 64100270
20
Ø 80 ALLMATIC Boom
664100239
n. 1 64 n. 2 64100271
20
Ø 80 ALLMATIC Articulated boom
664100239
n. 3 64100271
--**
TABLE FOR THE ADJUSTMENT OF THE SPRINGS FOR A 5 m - LONG BOOM
BOOM TYPE
CODE
SPRINGS TO ORDER
TENSION H*
Ø 80 ALLMATIC Boom
664100239
n. 2 64 n. 1 64100271
20
Ø 80 ALLMATIC Telescopic Boom
664100239
n. 1 64 n. 2 64100271
20
Ø 80 ALLMATIC Articulated boom
664100239
n. 2 64 n. 1 64100273 --**