ALPHA PLUS HARDI NOVA
MM AA II NN TT EE NN AA NN CC EE
CHAPTER
55-
24
6. Unfold completely the boom and adjust the posi-
tion of lock nut
CC
Respect the distance as shown on the picture
NOTE ! The two cylinders dampers must be equally
tightened on the 2 cylinders
29 mm
CC
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The purpose of this adjustment is to align the 4 steering arms
AA
to level position and parallel.
The pendulum suspension is factory adjusted . Subsequent adjustment will be required very seldom.
AA
AA
1. Unfold completely the boom
2. Loosen big nut
BB
3. Loosen the 2 nuts
CC
4. The boom central section must be suppor-
ted to release the central spring
5. Grasp around the spring
DD
and rotate the
whole spring arrangement to regulate the
lenght of it
To adjust the lenght...
Clockwise rotation :
The spring arrangement becomes longer and the steering arms
are moves downwards.
Anticlockwise rotation :
The spring arrangement becomes shorter and the steering
arms are moved upwards.
4. Inspect the alignment to make sure the 4 steering arms are
level. When correct position is obtained
5. Tighten nut
BB
6. Check the distance of 50 mm and tighten the 2 nuts
CC
BB
CC
DD
AA
point support
level position
50 mm
LL11
LL22
Empty lenght
Boom (m) L1 L2
24 90 90
28 and + 85 85
Pendulum damping device
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