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oo
erti al oo
Unfolded Position
When the boom is in the working position, the inner
and outer boom should be level or slightly increasing
in height from the centre section to give a consistent
and even spray application height. A new boom
may be susceptible to stretching or sagging as the
components are worn in. Several adjustment may be
re uired in the first 12 months of operation until the
boom settles.
INNER BOOMS
• The boom centre section must be level with the
chassis before any boom adjustments are made.
The centre of the centre section should line up
with the centre of the paralift when look from
the rear. This can be done by either shortening or
lengthening the centre section adjuster bolt at the
top delta links, or by adding weight discs to the
boom tip.
The inner booms must be ad usted first so
they are the same height as the centre section
or slightly increasing in height from the centre
section (to allow for boom stretch) .These
adjustments are made by lengthening or
4
shortening the tilt adjusters on the tilt cylinder.
• To lengthen or shorten the tilt adjusters, the
weight of both the booms will need to be
supported.
Prairie Pro Operator's Manual MY19 - REV 2
t ent
li n ent
A
B
C
D
E
5
6
F
• When any adjustments are completed. Ensure the
lock nuts are tight.
The tilt arm guide arms are fitted with wear strips.
It is important that these strips are maintained and
that the gap between them and the tilt arm is kept
between 0-0.5 mm either side. This ensures the tilt
1
2
arm cannot twist, prolonging the life of the product.
To adjust the clamp pressure tighten or loosen the
clamping bolt.
Keep distance
between wear
pad and tilt arm
at 0-0.5 mm
Adjust
clamp bolt
as required
7
1
2
A
B
A
B
GOLDACRES
3
4
8
A
3
4
Tilt adjustment
(use to raise/lower inner boom)
Tilt adjustment lock nut
B
Hydraulic Tilt Adjustment
C
Tilt adjustment
(use to raise/lower inner boom)
Tilt adjustment lock nut
Standard Tilt Adjustment
D
Continued over page
Chapter 9 - Boom -
1-3 MORANG CR
MITCHELL PARK 3352
PH: 03 53426399
5
6
REV NO
TITLE:
Boom
DATE CREATED:
DWG NO.
UNLESS OTHERWISE SPECIFIED
23/03/2010
DIMENSIONS ARE IN MILLIMETERS
GA492
DRAWN:
DEBUR ALL EDGES
Luke Myers
MATERIAL:
DATE EDITED:
12/10/2012
Matt
DO NOT SCALE DRAWING
SCALE:1:5
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