CHAPIN 1949 Industrial Open Head Sprayer Instruction Manual
- June 5, 2024
- CHAPIN
Table of Contents
1949 Industrial Open Head Sprayer
Instruction Manual
WARNING
WARNING: 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 resulting in possible
explosion.
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 pressurize sprayer by any means other than the original pump. Do
not attempt to modify this sprayer. Replace parts only with manufacturer’s
original parts. Never spray flammable, caustic, acidic, chlorine, bleach or
other corrosive solutions or heat, pressure, or gas producing chemicals.
Always read and follow chemical manufacturer’s instructions before use with
this sprayer as some chemicals may be hazardous when used with this sprayer.
Parts
Note: Your particular sprayer may not include all parts pictured above.
Congratulations!
You have just purchased a quality Chapin product.
Register Your Sprayer Online @ www.chapinmfg.com
Questions? Do Not Return To Store.
Call us @ 1-800-950-4458 or
www.chapinmfg.com
Hose to Tank
Attach the hose by screwing the swivel nut clockwise and tightening to 37 in.
lbs.
Refer to Pre-use check before using.
Nozzle
Attach nozzle to shut-off handle or extension wand.
Pre-Use Check
- Do: Check tightness of hose nut to be sure hose is securely attached to the tank outlet.
- 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.
- 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.
- Do: Follow Filling, Pressurizing and Spraying Instructions, except use water only (Pump plunger 10-20 strokes and inspect for leaks).
- Do: Direct shut-off away from you and open to make sure discharge is not clogged.
- Do: If unit passes this test, release pressure (see Pressure Releasing Instructions), empty tank, and proceed with Filling, Pressurizing and Spraying Instructions.
- Do: Inspect all metal parts including the wand, nozzle and fittings for rust, corrosion and pitting.
If any of these conditions are found, replace affected part with original manufacturer’s part before using.
Filling
- Do: Turn pump handle counterclockwise and remove pump
- Do: Prepare spray solution following all directions and safety warnings on chemical label.
- Do: Fill tank to no more than the proper gallon marker. Do NOT: over fill to accommodate pump.
- Do: Check pump to make sure that no grass or dirt is stuck to barrel. Replace pump in tank and tighten securely.
Pressurizing and Spraying
TO LOCK HANDLE: Push handle down to depress coil spring and turn handle
1/4 turn clockwise, then allow handle to raise into lock position.
TO LOCK PUMP: Place pump prongs down into slots in funnel, turn clamp
clockwise to furthest position under bottom slot, then turn handle clockwise
until tightly locked and sealed in place.
Pressurizing and Spraying, continued
TO UNLOCK PUMP: Turn handle counterclockwise until 3-prong clamp is loose. Then rotate clamp counterclockwise to stop and lift out.
TO RELEASE HANDLE: Push down to depress coil spring and turn handle counterclockwise 1/4 turn, then lift handle.
Pump until you feel resistance.
FOR HELP USING TRI-LOCK PUMP SEE VIDEO
https://chapinmfg.com/pages/industrial-videos
Fatigue-Free Spraying
For constant spraying, push down on shut-off handle and move locking mechanism
away from you. To release, squeeze handle and move the locking mechanism back
towards you.
To Release Pressure
- Do: With pump facing away, turn locked handle counterclockwise until air begins to escape Stop turning handle when you hear air escaping.
- Do: Stay away from the sprayer until all air has escaped.
Care, Storage and Maintenance
- Do: Follow chemical manufacture’s instructions for cleaning. Rinse thoroughly with recommended solvent. Follow Filling, Pressurizing and Spraying Instructions, except pump unit only 8-10 strokes. Be sure that the wand and nozzle are thoroughly rinsed after each use.
- Do: Open shut-off and allow recommended solvent to run through discharge assembly.
- Do: Release pressure (Follow Pressure Release Instructions), remove pump and empty sprayer.
- Do: Store sprayer tank upside down, with pump removed, in a warm dry location.
- Do: Periodically oil pump by dropping 10-12 drops of light oil down pump rod through opening in cover
P.O. Box 549 700 Ellicott St.
Batavia, NY 14021-0549 U.S.A.
1-800-950-4458
www.chapinmfg.com
References
- Chapin International: Sprayers, Spreaders, Industrial, Irrigation
- Chapin Industrial Sprayer Support Videos – Chapin International
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