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DISTRIBUTED BY: 

Maruyama U.S., Inc. 

3570 Shelby Lane 
Denton, Texas 76207 
940-383-7400     940-383-7466 (Fax) 
Website:    www.maruyama-us.com 

GUARANTEE 

Our products are guaranteed for one year from the purchase 
date against defects in material and workmanship. This warranty 
is limited to the free replacement of parts recognized as 
defective by our service department. The warranty does not 
apply for damage due to improper use, disassembly or 
modification, nor from normal wear and tear. Warranty does not 
apply in case of negligence, imprudence and, improper use of 
the equipment.  The user may be required to show a copy of 
invoice or bill of sale to establish date of purchase..

 

 

 

GENERAL PRECAUTIONS 

IMPORTANT:  Strictly follow all warnings and 
recommendations on the labels for chemical products marked 
“dangerous” and “poisonous”. Comply with the application time 
and expiration date of each product. Avoid chemical 
application during extremely hot periods.  Use extreme caution 
when spraying near electrical installations. 

Never use 

alkaline, acids, flammable materials or products which 
may a fire hazard.  This sprayer is intended to be used 
only with herbicides, insecticides and fungicides for 
plants. Do not expose chemicals to the sun. 

This sprayer 

must be safety tested annually by experienced personnel.  The 
sprayer hose must be the original from the manufacturer. 

SAFETY AND HANDLING STANDARDS 

Storage.

   Place the products in a dedicated, well ventilated and 

locked room out of the reach of children and pets. Store the 
product in its original packing. Use the same room to store 
chemical mixing, preparation and application utensils. 

Product Preparation. 

Verify that that the chemical and 

equipment are not expired and are in good condition. Read and 
follow the instructions provided in the product labels and 
manuals. Use proper utensils for mixing and preparing and mark 
them correctly. After preparation, wash your hands and face. 
Dispose properly of empty packages and leftover products. 

Safe Procedure. 

  Use suitable protective equipment. Avoid 

contact with the skin and eyes and do not eat, drink or smoke. 
Do not apply under windy conditions or against the wind. Avoid 
any product drifting into adjacent land and crops.  Avoid any drift 
into neighboring springs, rivers, streams, lakes, etc. 

 

After Application.

   Destroy empty packaging and bottles by 

burning or burying them 30 cm deep, away from streams or 
wells. Thoroughly clean the treatment machinery. Wash yourself 
and your clothes. 

Advice in case of poisoning.

   Go to the doctor with the 

product label or take the affected person to the nearest hospital. 
Avoid use of home medicines and, in all cases wash the 
affected skin areas with plenty of fresh water. 

 

 

 

 

 

 

 

START-UP 

Couple the hose 

(757)

 to the lance 

(765)

 and to the chamber

 

(760)

. Unscrew the tank cover without taking out the filter and 

pour the liquid to be mixed. Adjust the straps as indicated in 
Image 

E.

 Pump the lever some 8 - 10 times to build pressure.  

Press the trigger 

(750)

 and regulate the nozzle 

(123)

 rotating it 

towards one side and the other to get the desired spray 
pattern.  Bear in mind that 6 to 8 strokes per minute gives a 
flow output of 24 oz./ 0.7 liters to 27 oz./ 0.8 liters/min. 

 

MAINTENANCE & TROUBLESHOOTING 

Clean the equipment and internal components, including the 
filter at the end of the workday.  Clean water and liquid 
detergents will assist this process. 

NEVER LEAVE THE 

SPRAYER PRESSURIZED OR STORE WITH CHEMICALS IN 
TANK.  

Release pressure and rinse thoroughly. 

NOZZLE OBSTRUCTION (123) 

Clean nozzle with water 

pressure or non metallic instruments taking care not to damage 
the orifice. 

RETAINER CHANGE (434): 

loosen the bolt 

(407)

 

taking care not to miss the washer 

(408)

, take out the agitator 

horizontally 

(425)

, remove the pressure chamber

 (760)

. Use the 

agitator as in figure 

F, f

it the cross on the stirrer blade into the 

channels or slots in the valve 

(465)

 and, unscrew it. Pick up the 

ball. Replace the retainer 

(434)

 with a new one and screw up 

again the valve.  Do not forget to place the ball inside it. With the 
help of the stirrer in the indicated position, tighten the valve 

(465)

 

firmly into the chamber.  Proceed to mount the chamber, washer 
and the agitator. 

PERIODICALLY LUBRICATE THE GASKETS (404S). 

INITIAL ASSEMBLY 

Image 

A

 indicates packaging contents. 

Drawing 

1

 indicates the mounting kit contents and 2 is the kit 

of spare parts and replacing nozzle. Both are inside the tank. 
Place the lever arm on top of the pump and fit it with pieces 

(408) 

and 

(407) 

as shown in image

 B

. Lay down the tank with 

the straps on the bottom and fix the lever to the upper base 
hole, by joining in coincidence the bearing with the bottom of 
the arm. Fix with pieces (

407)

,

 (408) 

and

 (421)

 as per Image 

C

. Place the lever shutter as shown in Image 

D

.

ACCESSORIES 

 

LIME PREPARATION ELBOW 

842627 

 HERBICIDE ELBOW 

842626 

DOUBLE EXTENSION NOZZLE 

842624 

DOUBLE FLEXIBLE NOZZLE 

842633 

QUADRUPLE FRONT NOZZLE 

842618 

 

DOUBLE FIXED NOZZLE 

842623 

TELESCOPIC LANCE 

842625 

20”/ 0.5 M EXTENSION 

842622 

 

40”/ 1.0 M EXTENSION 

842621 

 

60”/1.5 M EXTENSION 

842620 

 

RECTANGULAR PROTECTOR BELL 

WITH HERBICIDE NOZZLE 

842628 

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