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Installation 

Attaching to the Tractor

 

Attach  the  sprayer  hitch  to  the  tractor  drawbar 
using the tractor hitch pin. Adjust the height of the 
tractor  drawbar  and/or  sprayer  hitch  to  level  the 
sprayer. The hitch on the sprayer drawbar can be 
installed in either the high or low position. 

 
To  alter  the  sprayer  hitch  height,  remove  the 
drawbar attaching bolt and slide the drawbar out. 
Rotate the drawbar through 180

0

 and reinstall it in 

the  alternate  position.  Ensure  that  the  drawbar 
attaching bolt is securely retightened. 

 
Clean and grease the splines on the tractor and 
sprayer PTO stub shafts and install the PTO shaft 
making  sure  that  the  spring  loaded  locking  pins 
engage in the grooves of both stub shafts. Ensure 
that the tractor’s PTO shaft guard is attached to 
the tractor. 

 

PTO Shaft Length 
Note:  Upon  delivery  of  a  new  sprayer  it  is  the 
sellin

g dealer’s responsibility to install and set the 

PTO  shaft  to  the  correct  length.  The  following 
information is provided for reference. 
 

 
 

 
 

 

 

 
 
 
 
 
 
 
 
 
 
 greater than about 10 cm, refer Fig 1.  
 
The  hitch  point  between  the  tractor  and  sprayer 
should be approximately midway between the two 
joints of the PTO shaft and the height difference 
between  the  joints  should  not  be  greater  than 
about 10 cm, refer Fig 1. This will ensure the joint 
angles are approximately equal during turns and 
do not exceed the allowable limit.  

 
The  telescoping  tubes  must  overlap  by  at  least 
1/3  their  length,  but  not  less  than  150mm,  in  all 
possible operating positions and there must be at 
least  25mm  telescopic  movement  remaining  at 
the minimum operating length, refer Fig 2. 
The  length  of  the  sprayer  drawbar  can  be 
adjusted by removing its attaching bolt and sliding 
the drawbar in or out to one of the three positions

 

where the bolt holes align.  Reinstall the drawbar 
bolt and tighten securely. 

 

 
The length of the tractor drawbar may also need 
to be adjusted. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
If the PTO shaft must be shortened cut equal  
amounts  from  both  male  and  female  shafts  and 
safety  covers.  Carefully  remove  all  burrs  then 
clean and relubricate before reassembling. 

 
If after adjusting the sprayer and tractor drawbar, 
the joint angles exceed 35

during turns it may be 

necessary to fit a PTO shaft with constant velocity 
joints (see your Silvan dealer). 

 

 
Cabin Mounted Control Box 

Connect the electrical cables provided for the 
switch box directly to the battery.      
Positive = 

Red

      Negative = Black 

 
If the cable needs to be extended it is important 
to use wire of the same diameter.  These cables 
supply power to the electric valves.  
  
If an automatic rate controller is used refer to 
appropriate installation manuals.  
  
Run the controller wiring loom back to the 
sprayer through a convenient outlet in the tractor 
cabin, ensuring that it does not rub on any sharp 
edge. Connect the tractor loom to the sprayer 
loom at the quick release coupling and ensure 
that all wiring is clear of the PTO shaft and 
tractor wheels. 

  

 
 

 
 

Approx. 10 cm

 

M

ax

 

Attaching bolt

 

Adjust sprayer 
drawbar 
length 
 and height

 

Approx. equal

 

PTO SHAFT ALIGNMENT - Fig 1. 

PTO SHAFT ALIGNMENT - Fig 2. 

Содержание DEC101213P

Страница 1: ...Operator s Manual MANSLV 2 August 2021 Trailed Oktopus Air Assist Sprayers...

Страница 2: ...ails of your sprayer here for future reference when discussing service with your Silvan dealer ordering parts or making a warranty claim SERIAL NUMBER _____________________________ MODEL _____________...

Страница 3: ...ranty period begins on the date the product is delivered to the first retail purchaser for a period of 12 months This Warranty Covers Only conditions resulting directly from defects in workmanship or...

Страница 4: ...neutral position Max Speed at 540 PTO rpm 2 700 rpm Air speed 450mm dia fan 80 m sec Capacity 450mm dia fan 14 000 m3 hr Controls Cab mounted control box with master on off switch left right section...

Страница 5: ...safe working loads and relevant tractor safety instructions Exercise extreme care when operating in hilly or uneven terrain to ensure proper stability Adjust the sprayer wheel track for maximum stabil...

Страница 6: ...safety decals before operating the sprayer Failure to comply with these warnings could result in serious injury or death Safety decals should be kept clean and legible at all times If any decals are...

Страница 7: ...g of the safety decals shown on the previous pages is given below Before operating the sprayer read all safety warning decals Failure to comply with these warnings could result in serious injury or de...

Страница 8: ...th but not less than 150mm in all possible operating positions and there must be at least 25mm telescopic movement remaining at the minimum operating length refer Fig 2 The length of the sprayer drawb...

Страница 9: ...ble to be adjusted Adjusting the Air Diffusers The fan unit has multiple diffusers Silvan units are fitted with a 5 5 configuration All of the diffusers are fully adjustable in width height and angle...

Страница 10: ...the LH tyre is in the pump position i e with the red handle placed vertically Fill the tank through the basket strainer then close and secure the lid before commencing spraying Check that the fan gea...

Страница 11: ...gain and repeat for the remaining sections The sprayer is then adjusted correctly Adding Chemicals Chemicals can be added to the tank through the top opening or more safely and conveniently by use of...

Страница 12: ...s time the by pass flow and the venturi agitator will thoroughly mix the solution Note This is the only operation permitted with the sprayer running while the operator is off the tractor Emptying and...

Страница 13: ...ozzle cap A nylon gasket part number MA3 03 is fitted over the HCC nozzle then pushed into the cap There is no nozzle body filter used with HCC nozzles Nozzle output can be varied by fitting different...

Страница 14: ...oplets produced at higher pressures STEP 2 Total Output Required Calculate the total spray output required in litres per minute l min using the following formula Check that the calculated output does...

Страница 15: ...output An alternative would be to use HCC025 Red at 7 Bar pressure to give the equivalent output 2 Orchard Fruits Application rate 1200 l ha Travel speed 4 km hr Row width 4 5 m Spraying pressure 15 B...

Страница 16: ...Row width m 600 400 x 5 x 3 600 10 l min Date of Test _______________ Application Rate _______________ litres ha Speed of Travel _______________ km hr Row Spacing _______________ metres Number of noz...

Страница 17: ...ontroller Arag Bravo automatic rate controller in lieu of standard electric valves Ensures application rate remains constant with any minor changes in ground speed Displays and records application rat...

Страница 18: ...level in the viewer daily and if necessary top up with SAE 20W 50 multigrade engine oil The oil must reach the mark on the side of the oil level viewer Gearbox Check the oil level every 50 hours and...

Страница 19: ...ce as necessary Check the air pressure in the surge chamber on the pump The air pressure behind the surge chamber s diaphragm smoothes out the pulsations in fluid flow and should be set in accordance...

Страница 20: ...left open Supaflo models Pressure filter flushing valve left open Fan noisy and or vibrating Gearbox bearings worn Fan damaged or out of balance Tractor PTO incorrectly installed Hitch point and PTO g...

Страница 21: ...supply and check operation Is the customer satisfied with the sprayer s performance TANK Is the customer fully instructed in the sprayer s service and maintenance Clean contaminants from tank requirem...

Страница 22: ...21 SILVAN AUSTRALIA PTY LTD ABN 48 099 851 144 68 Atlantic Drive Keysborough VIC 3173 Australia Telephone 1300 745 826 Facsimilie 1800 745 826 www silvan com au...

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