Echo MS-20H User Manual

Hazard: Improper use or failure to follow instructions can result in explosive failure causing serious eye or 

other injury.

 For safe use of this product you must read and follow all instructions. Do not leave a pressurized 

sprayer in the hot sun. Heat can cause pressure build-up. Do not store or leave solution in tank after use. Always 

wear goggles, gloves, long sleeve shirt, long pants and full foot protection when spraying. Never use any tool to 

remove pump if there is pressure in sprayer. Never stand with face or body over top of tank when pumping or 

loosening pump to prevent ejecting pump assembly and/or solution from striking and injuring you. Never pres-

surize sprayer by any means other than the original pump. Do not attempt to modify or repair this product ex-

cept with original manufacturer’s parts. Never spray flammable materials or heat, pressure, or gas producing 

chemicals. Always read and follow manufacturer’s instructions before filling this sprayer as some chemicals 

may be hazardous when used with this sprayer.

WARNING!

Parts, Piezas, Pièces

99944100484

Flat Fan Nozzle

Tobera

Buse

Repair Parts Kit Gaskets and Seals (not included), 

Juego de piezas de reparación, empaquetaduras y juntas (no incluido)

Kit de pièces de réparation, joints et garniture d’étanchéité (non inclus) 

6-5387

2. Assembly of Shut-off, Extension Wand and Nozzle

1) Screw nozzle assembly onto threaded end of the extension wand securely.

2) Insert unthreaded end of extension wand into shut-off assembly as shown and tighten retaining 

  nut securely.

3. Filter

The filter helps prevent clogging while spraying. It is located on the end of 

the white tube inside your sprayer tank.To clean filter, remove the hose from 

the tank and lift out the outlet tube. Make sure the filter is positioned at the 

bottom of the tank as pictured.

1) Do: Check tightness of hose nut to be sure hose is securely attached to the tank outlet. 

2) Do: Inspect hose for deterioration, cracks, softness, or brittleness. If any of these conditions are found, replace hose 

  before using. Replace with original manufacturer’s parts only. 

3)  Do: Remove pump (see Filling, Pressurizing and Spraying Instructions), inspect interior and exterior of tank for signs 

  of deterioration of body and bottom. Any sign of deterioration indicates possible tank weakening and could result in 

  explosive bursting under pressure. If any of these signs are found, discard tank immediately and replace. Do not attempt 

  to patch leaks, etc., as this could result in serious injury. 

4) Do: Follow Filling, Pressurizing and Spraying Instructions, except use water only. 

5) Do: Pump plunger 10-20 strokes and inspect for leaks. 

6) Do: Direct shut-off away from you and open to make sure discharge is not clogged. 

7) Do: If unit passes this test, release pressure (see Pressure Releasing Instructions), empty tank, and proceed with Filling, 

  Pressurizing and Spraying Instructions.

4. Pre-Use Check

5. Filling

1) Do: Turn pump handle counterclockwise and remove pump

2) Do: Prepare spray solution following all directions and safety warnings on chemical label.

3) Do: Fill tank to no more than the proper gallon marker. Do NOT: overfill to accommodate pump.

4) Do: Check pump to make sure that no grass or dirt is stuck to barrel. Replace pump in tank and tighten  securely.

6. Pressurizing and Spraying

7. To Release Pressure

8. Care, Storage and Maintenance

1)  Do: Rinse tank thoroughly with water only, empty, refill with water. Follow Filling, Pressurizing and Spraying 

  Instructions, except pump unit 8-10 strokes. 

2)  Do: Open shut-off and allow water to run through discharge assembly. 

3)  Do: Release pressure (Follow Pressure Release Instructions), remove pump and empty sprayer. 

4)  Do: Store sprayer tank upside down, with pump removed, in a warm dry location. 

5)  Do: Periodically oil pump by dropping 10-12 drops of light oil down pump rod through opening in cover.

WARNING:

 Handling the brass parts of this product 

will expose you to lead, a chemical known to the State 

of California to cause birth defects and other  reproduc-

tive harm. Wash hands after handling.

011296 (A) R0910

Note:

 Your particular sprayer may not include all parts pictured above.

Nota:

 Es posible que este pulverizador en particular no incluya todas las partes que se ilustran arriba.

Remarque :

 Votre pulvérisateur particulier pourrait ne pas inclure toutes les pièces illustrées plus haut.

Filter

Turn handle clockwise to

tighten. Push handle down, 

turn1/4 turn counterclock-

wise to release.

Pump until you feel 

resistance.

Push handle, down, turn 1/4 turn clockwise 

to lock. Begin spraying. Re-pump sprayer as 

required to maintain spray force.

For safety lock-off feature (no-spraying), pull up on handle and move red locking mechanism into lock-off position as 

shown in fig. 9a.  To disengage, push down on handle and return red locking mechanism to neutral position as in fig. 9c.  

For lock-on feature (continuous spraying), push down on handle and move red locking mechanism into lock-on position 

as shown in fig. 9b. To disengage, push down on handle and return red locking mechanism to neutral position as shown in 

fig. 9c.

9. Fatigue-free spraying

Your sprayer is equipped with a pressure relief release valve. To release pressure lift 

and hold the cap until air is completely exhausted, OR, turn the valve slowly coun-

terclockwise until you hear air escaping and wait until air is completely exhausted.

Nozzle Assembly

Figure 1-2

Unscrew the nozzle cap (1) from the nozzle body (3) with retaining  nut (2) fastened tightly to the elbow (5). Unscrew the 

retaining nut (2).  Push the nozzle body (3) with the nozzle gasket (4) out of the  retaining nut (2). To reinstall the nozzle, 

reverse the above instructions.

Figure 3

Unscrew the retaining nut from the elbow and push the fan nozzle tip and gasket out of the retaining nut. To reinstall the 

nozzle, reverse the above instructions.

99944100483

Poly Adjustable Nozzle

Tobera

Buse

99944100482

Brass Adjustable Nozzle

Tobera

Buse

99944100485

Nozzle Kit

Tobera

Buse

9a

9b

9c

Shut-off Assembly 

Retaining Nut

Extension Wand

Nozzle Assembly

99944100479

Hose Assembly 

Ensamblaje de la manguera

Assemblage de boyau

Retaining Nut

Filter

99944100486

Wand O-ring Kit

Kit del anillo “O”

Trousse de joint torique

Elbow O-ring

Hose Washer

Nozzle Gasket

Wand O-ring

3a

2a

ECHO, INCORPORATED

400 Oakwood Road

Lake Zurich, IL 60047

www.echo-usa.com

7a

Model# MS-20H

Model# MS-30H

1. Hose to Tank

If the handle fails to operate correctly,  release the pressure from the tank by turning the pressure release knob on the 

tank .  Inspect and repair the handle assembly or replace with a new handle assembly.

99944100477

Shut-offf Valve Repair Kit

Kit de reparación para la válvula 

de cierre.

Trousse de réparation de robinet 

d’arrêt.

99944100487

Repair Kit

Juego de reparación

Kit de réparation

“C” Clip

Clip de “C” 

Clip de « C »

99944100478

Shut-off Assembly

Unidad de cierre

Assemblage d’arrêt

99944100480

Extension wand, Vara de extensión, Lance de rallonge

Make sure white outlet 

tube is attached to hose.

Insert tube into 

tank.

1A

1B

Proper placement of 

white outlet tube.

1C

Line up tabs on safety lock 

connector with notches on 

the outlet flange of the tank. 

Insert tabs into notches to 

form a secure seal.

4

1D

Slip hose nut down to tank, 

turnclockwise and tighten as 

tight as possible by hand.

1E

6a

6b

6c