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Installing the Spraying Wand Assembly: 

  Connect the wand assembly to the shut-off valve. 

       

 

  Connect the spray nozzle to the wand assembly. 

 

  Tighten all connections to prevent leaks. 

 
 
 
Operating the Machine 

Priming the pump: 

  Pull up and push down on the pump handle until 

resistance is felt. 

  Press down handle on shut-off valve to spray solution 

tank contents. 

  Re-pump as required to maintained the desired spray 

pressure. 

  To release the pressure inside the solution tank, pull 

out the pressure relief valve.  Hold out until the air 
escaping the solution tank is finished. 

MACHINE MAINTENANCE

 

Routine maintenance is critical to ensure proper 
machine operation and cleaning performance. Perform 
all maintenance procedures as follows. 

Daily Maintenance 

Solution Tank

 

  Empty and clean the solution tank after use. 

  Inspect all connections.  Tighten as required. 

Weekly Maintenance (20 hours) 

  Verify all daily maintenance has been performed. 

  Inspect the hose for cracks, softness, or brittleness.  

Replace if any is found. 

  Inspect solution tank for any signs of cracks or 

deterioration.  A machine with signs of cracks or 
deterioration should not be used as it could burst 
under pressure.  

NEVER

 attempt to patch any leaks. 

  Test shut-off valve.  Check for clogging or leaks. 

  Check spray nozzle for clogging or leaks. 

 

Machine Storage 

  Make sure all pressure is released from the solution 

tank. 

  Remove the pump assembly and store the solution 

tank upside down. 

  The machine should be stored out of direct sunlight in 

a warm, dry place. 

  If exposed to freezing temperatures, make sure to 

drain all liquid from the solution tank, pump, hose, 
and spraying wand assembly. 

  Lock the shut-off valve in the “open” position. 

  Periodically oil the pump assembly by dropping 10-12 

drops of light weight oil down the pump rod through 
the opening in the cover

 
 

 

 

 
 

Summary of Contents for Opti-Mist P

Page 1: ...OPERATION MANUAL Opti Mist P Chemical Sprayer ...

Page 2: ... ALWAYS empty the tank after use NEVER allow this machine to freeze NEVER expose the machine to rain snow or extreme temperatures NEVER leave a pressurized machine in the hot sun Heat can cause a pressure build up resulting in possible explosion NEVER store any items on this machine ALWAYS store this machine indoors in a dry cool area NSS Chemical Use Disclaimer WARNING Chemical use hazard Each ch...

Page 3: ...nt clogging while spraying Pressure Relief Valve Pull the valve out to release the pressure stored in the solution tank Carrying Handle There is a carrying handle shipped loose with this machine Install the carrying handle onto the solution tank Spraying Wand Assembly The spraying wand assembly includes a shut off valve and hose wand assembly and spray nozzle Shut off Valve Spray Nozzle Wand Assem...

Page 4: ...spect all connections Tighten as required Weekly Maintenance 20 hours Verify all daily maintenance has been performed Inspect the hose for cracks softness or brittleness Replace if any is found Inspect solution tank for any signs of cracks or deterioration A machine with signs of cracks or deterioration should not be used as it could burst under pressure NEVER attempt to patch any leaks Test shut ...

Page 5: ...sket is worn or damaged Replace the O ring and or gasket Leak between the pump assembly and the solution tank Pump is loose Tighten the pump O ring is worn or damaged Replace the pressure chamber O ring Hose is leaking at the solution tank outlet Hose clamp is loose Tighten the hose clamp Hose is leaking at the shut off Connection is loose Tighten the retaining nut O ring and or gasket is worn or ...

Page 6: ...ir Parts Kit Shut off 4994241 Wand Assembly Replacement 4994251 Repair Parts Kit O rings ALWAYS USE GENUINE NSS REPLACEMENT PARTS OPTI MIST P Rev Orig 07 20 Rev A 07 20 9094942 NSS Enterprises Inc 3115 Frenchmens Road Toledo Ohio 43607 PHONE 419 531 2121 FAX 419 531 3761 mailus nss com www nss com 4994231 4994251 ...

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