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The Air & Liquid Delivery System 

 

The Air Compressor 

The air compressor produces compressed 
air which atomizes and propels the liquid.  It 
plugs into a 110 volt electrical source.  Use 
the unit with an extension cord of no more 
than 50 feet and rated for no less than 15 
amp service.  The On/Off switch is on the 
side of the air compressor.  The compressor 
has an adjustable relief valve on the back.  
It should be set between 70 and 100 psi. 
 

The Front Panel Air Connection 

The second tee routes the air to the top 

¼

” 

female ball swivel (FBS) fitting on the front 
panel of the sprayer.  The 

¼

” end of the air 

hose of the twinline hose connects to this 
fitting.  Use an 11/16” wrench on the FBS 
and 9/16” wrench on the twinline hose 
fitting.  The other end of the twinline hose 
connects to the air leader of the handgun. 
 

The Tank Pressure Regulator 

The second tee also routes air to the tank 
pressure regulator.  It corresponds with the 
pressure gauge on the left side of the front 
panel.  The regulator is operated by pulling 
out the dial and turning it clockwise to 
increase pressure or counter-clockwise to 
decrease pressure.  It should be set 
between 12 and 15 psi.  Once the desired 
pressure is achieved, push in the dial to lock 
it in place. 
 

Note:

 For best results, set the pressure 

from a lower pressure to a higher pressure.  
If the pressure is set too high, adjust the 
regulator below the desired pressure then 
adjust it up to the desired pressure. 
 
Two lines run from the tank pressure 
regulator.  One line runs to the tank 
pressure gauge on the front panel.  The 
other runs to the inlet quick connect on the 
tank. 

 
 

Figure 2.

   The Air and Liquid Delivery Systems 

Summary of Contents for MAGNETspray

Page 1: ...OWNER S MANUAL FOR THE MAGNETspray Pullman Holt Corporation Main Office 10702 North 46th Street Tampa FL 33617 Phone 813 971 2223 FAX 813 971 6090 ...

Page 2: ... careful not to lose the flow disk 5 Unthread the quick connect plug from the handgun liquid line leader Use a 7 16 wrench on the plug and an 11 16 wrench on the 1 8 NPT body 6 Connect the quick connect plug to the grey hose of the twinline hose 7 Fill the tank with 2 gallons of clean water 8 Turn on the air compressor to flush the line with 1 75 gallons of water Turn off the air compressor 9 Disc...

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Page 5: ...t with the water and tank mix Compatibility agents are chemicals mixed with the water that make mixing easier and keep heavy concentrations uniformly in suspension Post Spray Check After each spray it is essential that hoses and handgun be flushed with clean soapy water This will help prevent chemical build up that can clog lines and nozzles Also it is recommended that the nozzle exterior black po...

Page 6: ...ting The other end of the twinline hose connects to the air leader of the handgun The Tank Pressure Regulator The second tee also routes air to the tank pressure regulator It corresponds with the pressure gauge on the left side of the front panel The regulator is operated by pulling out the dial and turning it clockwise to increase pressure or counter clockwise to decrease pressure It should be se...

Page 7: ...id in relationship to the tank opening To close the tank 1 Slide the lid into the tank opening using the same direction as when it was removed 2 Rotate the lid 90 counterclockwise 3 While pulling the lid up to seal it against the tank opening push down on the lid handle until it is parallel with the tank lid 4 Push the pressure valve lever down so it is horizontal The Quick Connects There are four...

Page 8: ...ut any debris with compressed air or warm soapy water 3 Replace the spring and plunger rethread the brass bolt into the top of the handgun until tight The Handgun The handgun is held by the operator during spraying Activation of the trigger causes liquid to spray The handgun has the following user serviceable parts the air filter the liquid filter assembly the nozzle assembly and the batteries Exc...

Page 9: ... battery cover Screw the 2 6 32 x Phillips head machine screws back in to secure the battery cover The Batteries The nozzle charging operates on two 9 volt rechargeable batteries which are located in the base of the handgun In average conditions the batteries will last 5 10 hours of operation on a charge They should be recharged when the charging indicator on top of the handgun shell doesn t glow ...

Page 10: ...n correctly without the flow disk 2 Remove the strainer from the 1 8 NPT body 3 If the 1 8 NPT body contains residue clean it with compressed air or clean water 4 Clean the strainer with compressed air or clean water If residue still remains in the 50 mesh screen disassemble the Strainer Unscrew the top brass part from the bottom brass part The 50 mesh screen slides off the brass body and can be c...

Page 11: ...the air pressure regulator is set between 12 15 psi 2 Make sure that water temperature is at least 50 10 C 3 Make sure that all liquid fittings and air fittings are tight 4 Clean the liquid filter assembly See The Liquid Filter Assembly 5 Clean the nozzle assembly See The Nozzle Assembly 6 Clean the trigger See To Clean the Trigger Problem Charging indicator blinks or goes out during operation 1 C...

Page 12: ...TANK PLUMBING ASSEMBLY XT SERVICE PARTS MAIN ASSEMBLY ...

Page 13: ...ment or chemicals always test on a small area before treating the entire crop Do not use a chemical with the sprayer if the label prohibits use in low volume sprayers at full rate you can start reducing the amount of chemical used for each spray Keeping the amount of water in the tank constant cut the amount of chemical mixed in by 15 25 for each spray until a desirable kill is no longer achieved ...

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Page 15: ...HANDGUN SERVICE PARTS ...

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