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OPERATOR’S MANUAL MARUYAMA BACKPACK SPRAYER M409 Maruyama U.S. Inc. Post Office Box 309 Auburn, WA 98071-0309 253-735-7368 voice 253-735-1416 fax Premium Outdoor Power Equipment E x t r a o rd i n a r y www.maruyama-us.com C o m p l e t e l y r e a d a n d u n d e r s t a n d t h i s m a n u a l p r i o r t o u s i n g t h i s p r o d u c t .
TRIGGER VALVE COMPONENTS Maruyama is grateful to you for purchasing this product. Prior to operating the sprayer, please read this owner’s manual to obtain the best results. GENERAL INDEX Technical specifications ............Assembly Instructions.............. Back pack sprayer calibration ..........
Connect the hose to the outlet pump connector and to the lance, and adjust both ends with the two hose clamps you will find inside the strainer in the sprayer M409 cap. The straps are padded and fig. 2 provided with adjusting buckles.
SPRAYER BACK PACK SPRAYER COMPONENTS CHEMICAL MIXING CALIBRATION PROCEDURE a) Mark a field area of 328 ft (square a) Fill bucket with 1.3 gallons of Description Code of 32.8 x 32.8 sq or 328 sq ft x 3.28 ft) clear water and add the chemical. b) Shake well until the mixture Fill cap 840727...
PRESSURE CHAMBER BRASS CYLINDER TROUBLESHOOTING GUIDE COMPONENTS COMPONENTS Place approximately 5 gallons of water in the tank. Operate the pump, and watch inside the tank to identify the problem according to the Code Description Code Description following table: 840680 Pressure Chamber 840686 Brass cylinder valve (no valve box or seal)
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