Sto M-8 Spray Pump Operation and Maintenance Instructions Performance The Sto M-8 Spray Pump is a new type of pump technology, protected with three different patents. This new technology enables a wide range of Sto products that are capable of being used for spray or roller applications.
Light and handy (approx. 57 lbs) Operates with 110 V Quiet Perfect spray appearance Proven and tested for every construction site!! ________________________________________________________________________________________________________________________ Sto Corp. 3800 Camp Creek Parkway, Bldg 1400, Ste 120 Atlanta, GA 30331 Phone (404) 346-3666 Fax (404) 346-3119 Page 4 of 15...
Sto M-8 Spray Pump Operation and Maintenance Instructions 1. Use The Sto M-8 Spray Pump conveys liquids, aggregated materials up to 2mm, sand finishes, coatings, concrete, and repair products. When using products for the first time, we recommend applying on a small test area. We do not recommend the use of R (rilled) finishes to be spray applied.
Sto M-8 Spray Pump Operation and Maintenance Instructions 3.1 Operating the Control Panel “OFF“ – M-8 is switched off 3.2 Forward “FWD“ -- M-8 is switched on (Forward) to pump material through hose. 3.3 Backward “REV“ – M-8 runs backwards. Necessary to clean pump or when blockage occurs in material hose.
To manually or remotely operate the M-8 for running or cleaning, either the remote cable or the dummy plug needs to be connected. _______________________________________________________________________________________________________________ _________ Sto Corp. 3800 Camp Creek Parkway, Bldg 1400, Ste 120 Atlanta, GA 30331 Phone (404) 346-3666 Fax (404) 346-3119 Page 7 of 15...
13 on scale = highest pressure. The amount of pressure determines the flow of material. _______________________________________________________________________________________________________________ _________ Sto Corp. 3800 Camp Creek Parkway, Bldg 1400, Ste 120 Atlanta, GA 30331 Phone (404) 346-3666 Fax (404) 346-3119 Page 8 of 15...
Not available in the US. Contact StoMachine Technology HelpLine at (888) 522-0184 for more information. _______________________________________________________________________________________________________________ _________ Sto Corp. 3800 Camp Creek Parkway, Bldg 1400, Ste 120 Atlanta, GA 30331 Phone (404) 346-3666 Fax (404) 346-3119 Page 9 of 15...
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Note: To operate pump the dummy plug or the remote cable must be connected. If M-8 is not pumping material turn pressure switch to next setting, moving only one setting at a time, until desired material flow is achieved. Important: Do not stress pump and hoses. Please use only as much pressure as needed.
Repeat until water is clear. ________________________________________________________________________________________________________________________ Sto Corp. 3800 Camp Creek Parkway, Bldg 1400, Ste 120 Atlanta, GA 30331 Phone (404) 346-3666 Fax (404) 346-3119 Page 11 of 15...
Install new parts in reverse order Note: Ensure that the fingers are lubricated between the two rubber diaphragms. ________________________________________________________________________________________________________________________ Sto Corp. 3800 Camp Creek Parkway, Bldg 1400, Ste 120 Atlanta, GA 30331 Phone (404) 346-3666 Fax (404) 346-3119 Page 12 of 15...
Sto M-8 Spray Pump Operation and Maintenance Instructions 7. Trouble Shooting M-8 does not pump: Possible cause: Cap nut that secures flange is not tightened enough. There should be no gap between flange and housing. Pressure switch to select pressure is adjusted too low.
Sto M-8 Spray Pump Operation and Maintenance Instructions 8. Technical Recommendation 8.1 Service Manual Check rubber diaphragm and delivery washer for damage and cracks after daily cleaning routine. Exchange rubber diaphragm and delivery washer as described, if necessary. Please check all electrical plugs and power supply before starting.
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