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    Home » VacMaster VHB305M 3.2 Gal 12 L Vacuum Instruction Manual
    VacMaster

    VacMaster VHB305M 3.2 Gal 12 L Vacuum Instruction Manual

    Gabriel SmithBy Gabriel SmithOctober 31, 2025No Comments10 Mins Read
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    Vacmaster_Logo

    VacMaster VHB305M 3.2 Gal 12 L Vacuum

    VacMaster-VHB305M-3-2-Gal-12 -Vacuum-product

    Safety Instructions

    • Do not run the vacuum unattended.
    • Do not vacuum anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
    • Keep the cord away from heated surfaces.
    • Do not expose to rain. Store indoors.
    • Do not unplug by pulling on the cord. To unplug, grasp the plug, not the cord.
    • Do not use with a damaged cord, plug, or other parts.
    • Do not run the Wet/Dry Vac over the cord.
    • Do not handle the plug or the Wet/Dry Vac with wet hands.
    • Do not use or store near hazardous materials.
    • Do not allow it to be used as a toy. Close attention is necessary when used by or near children.
    • Turn off the Wet/Dry Vac before unplugging.
    • Keep free of dust, lint, hair, or anything that may reduce air flow.
    • Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
    • To reduce the risk of falls, use extra care when cleaning on stairs.

    Double Insulation

    This Wet/Dry Vac is double-insulated, eliminating the need for a separate grounding system. Use only identical replacement parts. Read the instructions for Servicing Double-Insulated Wet/Dry Vacs before servicing. Use this Wet/Dry Vac as described in this manual. Observe the following warnings that appear on the motor housing of your Wet/Dry Vac.

    Extension Cords

    When using an extension cord with your Wet/Dry Vac, refer to the following table to determine the required
    A.W.G. wire size. Before using the cleaner, make sure the power cord and extension cord are in good working
    condition. Make repairs or replacements before using the vacuum cleaner. Only use extension cords that
    are rated for outdoor use.

    Length of Extension Cord
    110V-120V25 Feet 7.5 Meters50 Feet
    15.25 Meters
    100 Feet 30.5 Meters150 Feet
    45.7 Meters
    AmpsA.W.G Wire Size
    0-618161614
    7-1018161412
    11-1216161412
    13-161412Not recommended

    Unpacking & Content

    Remove the entire contents of the carton. Check each item against the carton contents list.

    Carton contents lists

    VacMaster-VBV1210-Wet-Dry-Vacuum-Cleaner-Fig-1

    • Vac Assembly
    • Hose
    • Utility Nozzle
    • Caster Foot W/Accessory Storage..
    • Caster
    • 4 Screws (Bag)
    • Foam Sleeve Filter
    • Extension Wand
    • Car Nozzle
    • Concentrator Nozzle
    • Crevice Tool
    • Cartridge Filter
    • Filter Retainer
    • Adaptor
    • Diffuser
    • Operator’s Manual

    Overview

    The hose and accessories for this vacuum are 2.5 inches in diameter.

    VacMaster-VBV1210-Wet-Dry-Vacuum-Cleaner-Fig-2

    Assembly Instructions

    VacMaster-VBV1210-Wet-Dry-Vacuum-Cleaner-Fig-3

    1. Verify that the power cord is disconnected from the outlet.
    2. Undo the latches.
    3. Lift the power head off the container.
    4. Remove the contents from inside the container, make sure you have all contents as listed on page 5.
    5. For wet vacuum cleaning, install the supplied foam filter.
    6. Place the power head back on the container, aligning the top section with the latches, and snap it into place. Keep in mind to position the power head so that the blower port is towards the rear.
    7. Insert the locking end of the hose into the port of the container and lock it in place.
    8. Choose the desired wands or accessories and push them onto the hose.
    9. Turn the container upside down and insert the four caster feet into the slots on the container and tighten with the supplied screws.
    10. Your vacuum comes ready for dry vacuum cleaning. If the cartridge filter is not installed, refer to page 10 for filter installation.
    Noise DiffuserVacMaster-VBV1210-Wet-Dry-Vacuum-Cleaner-Fig-4

    For quiet operation during vacuuming, install the noise diffuser into the blower port by inserting the locking end of the diffuser into the blower port and turning clockwise to lock into place.

    Polarized Plug

    To reduce the risk of electrical shock, this appliance has a polarized plug (one with the blade wider than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the proper outlet. Do not change the plugin anyway. Double insulation eliminates the need for the three-wire grounded power cord and grounded power supply system.

    OperationVacMaster-VBV1210-Wet-Dry-Vacuum-Cleaner-Fig-5

    1. Verify that the power cord is disconnected from the outlet.
    2. In order to prepare your vacuum for dry vacuuming, verify that the cartridge filter is securely mounted. Make sure the filter is pushed in until it stops against the power head.
    3. Place the filter retainer on top of the cartridge filter and tighten it down by turning the retainer handle clockwise.
    4. Place the power head back on the container, aligning the top section with the latches, and snap it into place.
    5. Insert the locking end of the hose into the vacuum port on the front of the tank and lock it in place. Push the required attachment onto the free end of the hose or extension.
    6. Plug in the power cord into the outlet.
    7. Turn the motor on by flipping the switch to the ‘I’ ON position.
    8. Once you have completed vacuuming, flip the switch to the ‘O OFF’ position and unplug the power cord from the outlet.

    Liquid Vaccum Operation

    VacMaster-VHB305M-3.2-Gal-12-L-Vacuum

    1. Verify that the power cord is disconnected from the outlet. (fig. 1) Verify that the container is clean and free of dust and dirt.
    2. Remove the cartridge filter, then carefully install the foam sleeve filter over the filter cage and place the power head back on the container.
    3. Fit the desired nozzle to the vacuum hose.
    4. Verify that the switch is in the ‘O’ OFF position before plugging the power cord into the outlet.
    5. Turn the motor on by flipping the switch to the ‘I’ ON position.
    6. After use, empty the container by unscrewing the drain cap. Drain liquids into a suitable receptacle or drain. Remember to refit the drain cap to the container after draining the container.

    Blowing

    VacMaster-VHB305M-3.2-Gal-12-L-Vacuum

    1. Verify that the power cord is disconnected from the outlet.
    2. Remove the noise diffuser from the blower port.
    3. While squeezing the locking lever, lift the detachable blower from the vacuum lid.
    4. Insert the adaptor into the blowing port and fit the desired extension wands and or nozzles.
    5. Ensure the power switch is turned off and plug it into the power supply.
    6. Firmly hold the blower before turning it on. Turn the motor on by flipping the switch to the ‘I’ ON position.

    Maintainance

    VacMaster-VHB305M-3.2-Gal-12-L-Vacuum

    1. Verify that the power cord is disconnected from the outlet. (fig.1)
    2. Disconnect the hose from the unit. (fig. 2)
    3. Undo the latches and remove the power head from the container. (fig. 3)
    4. Clear all dirt or debris from the container and hose. (fig. 4)
    5. Clean the foam filter by washing it with water and mild soap. (fig. 5)
    6. Check the hose, attachments, and power cord to verify that they have not been damaged.

    Blower Intake

    After using the blower, examine the bottom of the blower for debris and blockages and remove them if found. To clean the foam pad of the intake:

    VacMaster-VHB305M-3.2-Gal-12-L-Vacuum

    1. Verify that the power cord is disconnected from the outlet.
    2. Remove the four screws holding the intake shield and lift off the shield.
    3. Remove the foam pad from the blower and clean the foam pad with soapy water, and allow it to dry.
    4. Check the foam pad for reuse. If you need to replace the foam pad, consult the parts list in the manual.
    5. Replace the foam pad on the blower, aligning the wholes to the screw tabs.
    6. Reinstall the intake shield and the four screws.

    Cleaning Filter

    VacMaster-VHB305M-3.2-Gal-12-L-Vacuum

    1. Verify that the power cord is disconnected from the outlet.
    2. Remove the ID and the power head and place it VacMaster VHB305M 3.2 Gal 12 L Vacuum upside down.
    3. Install the cartridge filter over the filter cage with the flat end of the filter towards the vacuum lid.
      Carefully push the filter in until it stops against the lid.
    4. Place the filter retainer on top of the cartridge VacMaster VHB305M 3.2 Gal 12 L Vacuum filter over the raised lip and tighten down by turning the retainer
      clockwise; do not over-tighten.
    Removing the Filter
    1. Unlock and remove the filter retainer by turning the retainer handle counterclockwise.
    2. Carefully hold and pull the cartridge filter up for removal.
    3. Clean the cartridge filter by gently tapping or brushing dirt off.
    4. Install a cleaned or new filter in place as instructed above in steps 2 and 3 of Installing Cartridge Filter.

    Foam Filter

    VacMaster-VHB305M-3.2-Gal-12-L-Vacuum

    1. Verify that the power cord is disconnected from the outlet.
    2. Remove the overhead and place it upside down. VacMaster VHB305M 3.2 Gal 12 L Vacuum Follow instructions to remove the cloth filter.
    3. Carefully slide the foam sleeve filter down over the filter cage, making sure the whole cage is covered.
    4. Replace the power head on the toe container.

    Cleaning Foam Sleeve Filter

    1. With the removed power head in the upside-down position, carefully remove the foam sleeve filter.
    2. Use a mild soap and water solution to wash the foam sleeve filter and rinse with clean water.
    3. Allow the filter to air dry before installing and using it again.

    Troubleshooting

    Symptom Possible Causes Corrective Action
    The vacuum will not operateNo power supply.Check power supply – cord, breakers, fuses.
    Faulty power cord.Unplug and check the power cord.  If damaged, have it repaired by a professional.
    The container is full.Empty container.
    Dust comes out from the motor cover. The cartridge filter is missing or damaged.Attach or replace the cartridge filter.
    Reduced efficiency and motor/speed vibration.There is a blockage in the nozzle, hose, or container inlet.Check nozzle, hose, and container inlets for blockage.

    Customer Support

    • Website: www.vacmasterfresh.com/product-registration/
    • Visit:  vacmasterfresh.com/contact-us/
    • Tel: 1-866-384-8432.

    FAQs

    What types of cleaning jobs can the VacMaster VHB305M handle?

    Dust, sawdust, tiny debris, and liquid spills are among the household issues it can manage. It’s perfect for light household tasks, cars, garages, and workshops.

    Can I vacuum up flammable or toxic materials?

    No, you should never hoover poisonous, flammable, or explosive materials like hot ashes, solvents, petrol, or corrosive chemicals. This may result in an explosion, fire, or damage to the device.

    Can I use the vacuum as a blower?

    Indeed! There is a blower feature on the VacMaster VHB305M. To remove leaves, dust, or debris from difficult-to-reach places, just connect the hose to the blower port on the back of the device.

    Can this vacuum be used to pick up fine dust like plaster or cement?

    Although it can collect fine dust, it is advisable to use a dust bag or fine dust filter to avoid clogging and prolong motor life. Avoid using ultra-fine particles for extended periods of time.

    Is it safe to use the VacMaster VHB305M outdoors?

    Yes, but only on moist or dry surfaces; never near standing water or in the rain.

    What should I do if water enters the motor housing?

    Turn off and disconnect the hoover right away. Before using, let the unit dry completely. If there is still moisture in the motor compartment, do not try to run, as this could result in irreversible damage or electric shock.

    Can children use the vacuum?

    No, only adults or those under adult supervision should use this appliance. To avoid harm, keep out of children’s and pets’ reach.

    OnyxGuides Manual User Manual VacMaster VHB305M 3.2 Gal 12 L Vacuum installation guide VacMaster VHB305M 3.2 Gal 12 L Vacuum maintenance guide VacMaster VHB305M 3.2 Gal 12 L Vacuum manual VacMaster VHB305M 3.2 Gal 12 L Vacuum operation manual VacMaster VHB305M 3.2 Gal 12 L Vacuum user manual
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    Gabriel Smith

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