Table of Contents
- What’s In The Box
- The Parts Of The 21G Wheelbarrow SprayerÂ
- How to Assemble the 21G Wheelbarrow Sprayer
- How to Switch the 21G Wheelbarrow Sprayer from Reel Attachment to the Boom Attachment
- Preparing Your Sprayer For Winter Storage 
- How to Switch the 21G Wheelbarrow Sprayer from Reel to the Boom Attachment
- How to Use the 21G Wheelbarrow Sprayer
What’s In The Box?
When you buy the 21G Wheelbarrow Sprayer, you get the following:
Translucent tank with cart, control panel, & battery already assembled
Low-pressure rubber tires perfect for all terrain types
Detailed owner’s manual w/accessories bag including all parts needed for assembly
Retractable Reel with a 100-foot high-pressure spray hose and spray wand 
Reel base
Wheelbarrow Handles
You’ll be receiving a separate package if you order your sprayer with the Boom Attachment.
What Are The Parts Of The 21G Wheelbarrow Sprayer
It's fun to see the transformation from a patch of dirt to beautiful garden. And for big projects like this, there's nothing better than using our wheelbarrow sprayer! But what are the parts of a 21G Wheelbarrow Sprayer with reel and boom? Let's take a closer look!
Translucent Tank with Molded-in Graduations
The 21-gallon translucent tank has molded-in graduations and a large fill opening & lid. This allows you to add the desired amount of liquid while being able to see the levels in the tank. The large fill opening also makes it easier to clean out the tank after use.
The tank is made of high-density polyethylene (HDPE) which is a chemical resistant plastic that will not rust or corrode. The wall thickness of the tank provides durability and strength yet remains lightweight.
100ft Commercial Quality Hose
The 100ft commercial quality hose is kink and abrasion resistant with brass swivel fittings. The hose uses a threaded fitting that allows for quick and easy set-up, without tools.
The hose connection has a shut-off valve that allows you to quickly disconnect the hose from the wand or boom without having to turn off the pump. This is a great feature if you need to empty the tank or make any adjustments while in use.
Nozzle
Unlike other PetraTools sprayers, the brass nozzle on the Wheelbarrow is part of the metal wand. It has an adjustable pattern tip that can be set to either a fine mist or a stream. The durable construction of the nozzle ensures years of trouble-free use.
The adjustable nozzle tip gives you the ability to spray anything from seedlings to trees thanks to its manually adjustable pressure of up to 145 PSI. Whether you’re watering delicate plants or blasting away stubborn dirt and grime, a quick twist to the end of the wand allows you to select the stream you need.
Mixing Tank
The mixing tank is made of durable polypropylene and is designed to mix liquids and powders quickly and efficiently. The tank has a large capacity and is equipped with a pour spout for easy pouring.
Pressure Gauge
The 21G Wheelbarrow Sprayer with Reel and Boom also comes with an easy-to-read, glycerine-filled pressure gauge accurate to +/- 2 PSI. See at a glance how much pressure you’ll have BEFORE you squeeze the valve handle.
The pressure gauge is located in-line, adjacent to the orange pressure control dial and features markings in both PSI & BAR (kPa)
Steel Wheels with Mounted Thick Rubber Tires
The steel wheels come with thick rubber tires already mounted, providing excellent traction and durability. The wide footprint of the tires helps to distribute the weight of the sprayer evenly, making it easier to maneuver over rough terrain.
12-volt, 36-amp hour battery
The 12-volt, 36-amp hour battery is a beneficial feature that allows you to spray for up to 4 hours on a single charge. It’s maintenance-free and designed for long-term, deep-cycle use.
The battery is located under the black pump assembly housing, and is charged by plugging the included charger into the battery charge port, which is covered by a waterproof rubber cap. It is recommended to charge the battery fully before the first use.
1.5 GPM Electric Diaphragm Demand Pump
The electric diaphragm demand pump is capable of continued 1.5 gallon per minute flow. Simply set your desired pressure with the orange pressure control dial, and the pump will turn itself on and off as needed to maintain a constant pressure. And despite being our largest and most powerful pump, it performs quietly and without vibration.
Dual Filtration System
Like all PetraTools battery-powered sprayers, the Wheelbarrow features a plastic mesh strainer in the lid. In addition, the Wheelbarrow includes a small filter in the bottom of the tank, and another in-line removable/cleanable filter cartridge that traps all sizes of debris that has made its way into the tank. This prevents clogged hoses, blocked wand nozzle, and other strains on the pump system that can cause premature failures.
8-foot Boom Attachment
8-foot Boom Attachment
The 8-foot boom features two foldable arms that allow you to cover a large area quickly and efficiently. The boom is made of high-quality material for durability and is equipped with brass nozzles for years of trouble-free use.
The Boom Attachment is available as a separate item, and can be purchased individually or at the same time as the Wheelbarrow Sprayer. It can be stored in the folded-up position when not in use to save space.
How to Assemble the 21G Wheelbarrow Sprayer with Reel
The 21G Wheelbarrow Sprayer has all of the features you need to get the job done right. It's easy to assemble and comes with a reel, or reel & boom for even application. Keep reading to learn how to put it together!
Slide the axle into the frame. Place large silver washer over axle.
Slide wheel onto axle, with the air valve on the outside.
Place the locking washer over the wheel, and then the silver nut. Tighten. Thread the axle sealing nut over the top.
Install the reel base using two â…ž-inch bolts and the nuts.
Install the reel into the reel base using two cotter pins and two washers. Make sure that the handle is on the left side, opposite the wand holder.
Ensure that the rubber washer is inside the big end of the brass 90-degree connector.
Thread the shorter 4-foot hose over the top of the axle and then connect it with the brass 90-degree connector.
Thread the brass 90-degree connector into the pressure gauge.
Install the two handles using four bolts and four nuts.
How to Switch the 21G Wheelbarrow Sprayer from Reel Attachment to the Boom Attachment
Here’s a guide on how you can switch the 21g wheelbarrow sprayer from the reel attachment to the boom attachment (do note that the boom attachment is an option and it comes separately):
Use a 17mm wrench or pliers to disconnect the hose from the base.
Take off the cotter pin and the washer, then push the pin out which holds it in place. Do the same on the other side.
Remove the reel holder.
Use the same nuts and bolts you removed from the reel holder to attach the boom.
Set the boom on top, feed the bolts down through, and then tighten the nuts on the top.
Attach the 17mm hose onto the boom. Make sure that the black gasket is in inserted.
All set up and ready to go!
Preparing Your Sprayer For Winter Storage 
A few simple steps will ensure that your unit will be ready for use when spring finally arrives.
Run 2 gallons of warm water mixed with 2 teaspoons of liquid dish soap through the unit to clean all internal parts, then run 1 more gallon of warm water only through. Spray until unit, wand & hose are fully empty. 
You may plug your Sprayer unit in for constant battery maintenance, or if this is not possible, simply charge fully before storage..
Place unit right-side-up in the warmest storage possible. Do not store long-term in temps below 32°F. 
Storage in its original closed box is ideal, but if that’s not an option, you can cover with a canvas or plastic tarp to protect it.
How to Use the Wheelbarrow Sprayer with Reel Attachment
The Wheelbarrow has been designed from the ground up for quick & easy use for any application requiring medium to large amounts of liquid. Backed by our PetraTools Guarantee, your Wheelbarrow Sprayer will deliver years of faithful use.
Whether using in Boom Sprayer or Spray Wand mode, basic operation is the same.
Ensure the battery has a full charge, delivered via the included 12v battery charger.
Check the trigger lock on the wand, ensuring it is not engaged, to prevent accidental spraying.
Flip the red rocker switch (O=Off) to the on position (|).
Set the desired pressure with the orange pressure adjustment knob.
Twist the nozzle tip at the end of the wand, thread down for misting, and up for longer-reaching stream.
Pump will make a higher pitched sound when liquid in tank drops below ½ gallon. At this point, shut unit off and refill.
Rinse tank well with water, and spray for at least 5 minutes to remove residual chemicals. Use of PetraTools Tank Cleaner Solution strongly recommended.
ENSURE RED ROCKER SWITCH IS IN THE O or OFF POSITION AFTER USE.
How to Use the Wheelbarrow Sprayer with Boom Attachment
Ensure the battery has a full charge, delivered via the included 12v battery charger.
Position the booms out to the side. Determine which of the six nozzles will be needed. If a nozzle is NOT needed, adjust the green dial above it clockwise to turn off, counterclockwise to turn on. All six nozzles are individually controllable.
Both booms will begin functioning when unit is turned on, so make sure you are in the area where liquid is to be applied. 4. Flip the red rocker switch (O=Off) to the on position (|). 5. Set the desired pressure with the orange pressure adjustment knob.
Flip the red rocker switch (O=Off) to the on position (|).
Set the desired pressure with the orange pressure adjustment knob.
Walk at a consistent pace to ensure even liquid distribution.
Pump will make a higher pitched sound when liquid in tank drops below ½ gallon. At this point, shut unit off and refill.
Rinse tank well with water, and spray for at least 5 minutes to remove residual chemicals. Use of PetraTools Tank Cleaner Solution strongly recommended.
ENSURE RED ROCKER SWITCH IS IN THE O or OFF POSITION AFTER USE.
FREQUENTLY ASKED QUESTIONS
The PetraTools 21G Wheelbarrow Sprayer with Reel and Boom weighs approximately 160 lbs (75 kg).
The PetraTools 21G Wheelbarrow Sprayer with Reel and Boom has a 21-gallon capacity, making it perfect for large spraying jobs.
The PetraTools 21G Wheelbarrow Sprayer with Reel and Boom can generate up to 145 psi of pressure, making it ideal for a variety of different spraying applications.
Yes, the PetraTools 21G Wheelbarrow Sprayer with Reel and Boom is designed for easy use. The unit comes with a convenient reel or reel & boom system that makes it easy to spray large areas quickly and efficiently.
Yes, the PetraTools 21G Wheelbarrow Sprayer with Reel and Boom is built to last. The unit is made of heavy-duty materials that can withstand many years of use.
No, the PetraTools 21G Wheelbarrow Sprayer with Reel and Boom can be used for both commercial and residential applications.
The PetraTools 21G Wheelbarrow Sprayer with Reel and Boom is commonly used for spraying herbicides, pesticides, and fertilizers. Additionally, the unit can also be used for general watering, cleaning and sanitizing purposes.
The solution to this is usually simple. Most problems of this type are due to low battery state of charge. Plug battery charger into a standard 110v outlet and allow to charge for 4-6 hours. Also, unthread the fuse from the control panel & hold up to light to see if the thin wire inside is broken. If it is, replace with the spare fuse we included in the accessories bag. A third issue can be due to the demand-style pump that only functions when pressure drops below the desired setting. It’s possible for the unit to be on & functioning properly, and yet making no sound.
