13 14
=
(II) Spraying on the trailer.
Upon initial spraying, the pull bar shall be varied to cater
for the height of operator. (Fig. 7) The front end of strap
shall be folded to let falling into the tray. (Fig. 8)
(1)
After the spraying starts, the operator shall pull the
trailer on its right and move forward as planned while
swinging the spray boom. Never fix at one place which
may lead to chemical injury.
(2)
The spraying shall be conducted on sides. The
operator shall move forward at constant speed to avoid
over-spraying or missing, in a direction depending on
the wind direction, generally vertical to or in an angle
not less than 45° with the wind. The operator shall be
at the upper drift position and the spraying part at the
lower position.
(III)
Spraying on the back:
(1)
Dismounting of trailer.
When spraying on fields not fit for trailer, the trailer
may be dismounted and the Sprayer may be mounted
on the Operator’s back .
Refer to Fig. 9 for dismounting of trailer. Turn the two
Fig. 9
Fig. 9
Fig. 10
Fig. 6
Fig. 7
Fig. 8