63
Maintenance
GB 14 00 05
RR
RR
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eadjustment ofeadjustment of
eadjustment ofeadjustment of
eadjustment of
the boom the boom
the boom the boom
the boom
Before adjusting the boom please go through this check
list:
n Lubricate the sprayer (please see part about Lubri-
cation)
n Tractor and sprayer must be placed on level ground
n The boom should be unfolded (unless specific
guidelines are given)
n If boom is equipped with slanting control: Set slant-
ing angle at midway
Adjustment of hydraulic cylinders is best done without
pressure in the hydraulic system.
WARNING! NO ADMITTANCE UNDER THE
BOOM WHILE ADJUSTMENT IS CARRIED
OUT!
Checking and Adjusting sprocket timing
(SPB only)
1. Unfold the boom and stand on its rear side.
2. Check that the pin connection A* in the timing chain is
aligned with the centre line B between the sprocket
cap screws.
*A = 7th pin connection
3. To adjust timing, loosen turnbuckles on the front and
rear cables until slack.
4. Line up the chain and sprocket as indicated in step 2
above.
T064-0098
A
Alignment of centre section and inner
section
1. Unfold the boom and check alignment of the inner
section with the centre section.
2. If adjustment is necessary, relieve pressure from the
cylinder by folding the boom a few centimetres.
3. Disconnect cylinder rod eye A from the inner section.
Note! Some cylinder rods have a machined flat which
can be used for adjustments. If using this one for adjust-
ment, leave the rod eye pinned to the boom.
4. Loosen jam nut B and adjust the length of the rod
eye A.
IN = to move the boom forward
OUT = to move the boom rearward
5. Tighten the jam nut B again. (Reattach the cylinder
rod to the boom again, if it has been loosened).
6. Pressurize the cylinder to check boom alignment.
T103-0014
B
T103-0014
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