65
Maintenance
GB 14 00 05
Adjusting the breakaway clutch
The function of the breakaway section is to prevent or
reduce boom damage, should it strike an object or the
ground.
Adjust the screw A until the breakaway will release at a
force of 80 N at the extremity.
Please note that the clutch must be well greased before
adjustment is commenced.
Adjusting boom level to ground
Unfold the boom and check that the boom sections are
parrallel to the centre frame and level to the ground.
Adjust if necessary, as decribed below. Adjustment is
carried out with the boom unfolded.
A. SPB-Y 18-21 m
1. Loosen jam nut A.
2. Adjust nut B - in or out - until boom wing is level to the
ground.
3. Secure jam nut A again.
Same procedure applies to both sides.
T191-0019
C
D
T103-0010
5. Loosen jam nuts C on the turnbuckle assembly and
adjust turnbuckle D for proper cable deflection.
6. Tighten jam nuts C again and remove weight
IMPORTANT! Check boom alignment again. If front
cable was tightened, the wing assembly will move a bit
forward. If front cable was loosened, the wing assembly
will move a bit rearward. Therefore, adjust fold cylinder,
if necessary, as described in the section Alignment of
centre section and inner section.
B. SPC-Y 24-28 m
1. Loosen jam nuts A at both ends of rod B.
2. Adjust length of rod B until boom wing is level to the
ground.
Note! If rod is removed to adjust length, the boom
wing must be supported.
3. Secure jam nuts A again.
Same procedure applies to both sides.
A
SPC type breakaway is shown here. Same principle
applies for SPB type.
T212-0022
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