Husqvarna WT 10MP Pressurized Water Tank Owner’s Manual

June 12, 2024
Husqvarna

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Husqvarna WT 10MP Pressurized Water Tank

Welcome and congratulations

Read the manual carefully and make sure that you understand the instructions before you use the product. Keep the instructions for use in a safe place where they can be easily found.
The instructions for use are an integral part of the device and must be enclosed when the device is passed on.
WARNING: This product can be dangerous and cause serious injury or death to the operator or others. Be careful and use the product correctly.

Product Description

  • The Husqvarna WT 10 MP is a pressurized water tank where the pressure is created by a manual pump device.

Intended use
Water pressure tanks WT 10MP are designed for supplying drills, concrete saws, grinders, etc. with water for suppressing dust. Do not use the product for other tasks. Do not use the product for storage of liquids, drinking water or as eyewash. The product must only be used by professional operators with experience.

Product liability

  • As referred to in the product liability laws, we are not liable for damages that our product causes if:
    • the product is incorrectly repaired.
    • the product is repaired with parts that are not from the manufacturer or not approved by the manufacturer.
    • the product has an accessory that is not from the manufacturer or not approved by the manufacturer.
    • the product is not repaired at an approved service center or by an approved authority.

Safety

  • Only trained, healthy and rested people may work with the device. You should not be under the influence of alcohol, drugs or medication.
  • Children and adolescents must not use the device
  • Keep the spraying devices safe from access to children.
  • Take precautions to prevent hazardous substances from being misused.

Accident risk

  • Observe the information regarding personal protection equipment in the operator manual of the product used.
  • Avoid ignition sources in the environment.
  • Do not allow the device to remain under pressure and/or be exposed directly to sunlight. Make certain the device is not heated beyond the maximum operating temperature. (→Table 1).
  • Protect the device from frost and ammonia.
  • There is a risk of slipping or tripping on smooth or wet surfaces, snow, ice, on slopes and on uneven terrain.
  • Keep the work area tidy and well-lit.
  • Repairs and modifications to the device are not permitted.
  • Have damaged parts or parts that do not work properly repaired immediately by our customer service department or by service partners authorized by us.
  • The effect of the safety valve must not be bypassed or made inoperative.

Explosion hazard

  • Use only original spare and accessory parts.
  • We cannot assume any liability resulting from the use of third-party parts.
  • Use only the built-in hand pump to pressurize the water tank. When pumping, always observe the pressure gauge to ensure the maximum spraying pressure is not exceeded (→ Table 1). All excess pressure must be released from the device before filling, after use, before carrying out maintenance work, on work breaks, and before placing it in storage.
  • Points to note when transporting the device: Transport the device in such a way that it is protected against damage and tipping. All excess pressure must be released from the device.

Explosion hazard!

  • This product is in compliance with applicable EC directives.
  • This product conforms to the applicable UK regulations.

Note: Other symbols/decals on the product refer to certification requirements for some markets.

You will find the illustrations referred to above in pages 3 – 5 of these instructions for use.

Spare Parts

Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-1

Scope of delivery

  • Tank [1] with pump [2], hose [4], and Instructions for Use [5]. (Fig. 1)

Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-2

Technical data

Type of device WT 10MP
Max. filling amount 10 l (2.64 gals)
Total contents 12.5 l (3.3 gal)
Max. spraying pressure 3 bar (43.5 psi)
Max. operating temperature 40 °C (104 °F)
Weight when empty 2.8 kg (6.16 lb)
Material of tank polyethylene
Where the device is carried on the side
Technical residual quantity <0.07 l (< 0.02 gal)

Assembly

  1. Push the tube [4] into the fixture [10] and secure it with the cap nut. (Fig. 3)

Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-3

Checks

  • Visual inspection: Are tank [1], pump [2] and hose [4], and piston pressure gauge [16] undamaged? (Fig. 1)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-2
  • Pay special attention to the connections between the tank–hose, and hose–plug–in coupling and to the condition of the pump thread.
  • No leaks : Pump up the empty device to 2 bar (29 psi) (Fig. 11).
  • The pressure must not decrease more than 0.5 bar (7.25 psi) within 30 minutes.
  • Function: Pull up the piston pressure gauge [16] (Fig. 5)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-4

The pressure must dissipate.

  • Check the device regularly and after a longer period of non-use, e.g. a winter break.
  • Have damaged parts or parts that do not work properly repaired immediately by a Husqvarna service team.

Preparation

  • Observe the instructions in the section entitled „Safety“.
  • The device must be in an upright position.
  • If filling the tank from a water line, ensure that the line or a hose does not project into the tank.
  1. Pull up the red piston pressure gauge [16] until the tank is depressurized. (Fig. 5)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-4
  2. Press the piston rod with handle [13] down and turn it counterclockwise.
    • The piston rod with the handle is locked. (Fig. 6)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-5
  3. Unscrew the pump [2] from the tank. (Fig. 7)
  4. Add the liquid to the tank [1]. (Fig. 8)
  5. Check the filling level with the scale [35] on the tank. (Fig. 8)
  6. Screw the pump [2] into the tank. (Fig. 9)
  7. Press the piston rod with handle [13] down and turn it clockwise.
    • The piston rod with the handle is unlocked. (Fig. 10)
  8. Create the desired pressure in the tank. (Fig. 11)
    • The maximum pressure should not exceed 3 bar (43,5 psi) (red line on the piston pressure gauge, Fig. 11). If the maximum pressure is exceeded, the safety valve will engage and release the excess pressure.
  9. Press the piston rod with handle [13] down and turn it counterclockwise. (Fig. 6)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-5
    • The piston rod with the handle is locked.

Use

Observe the instructions in the section entitled “Safety”.

  1. Connect the plug-in coupling [15] of the water pressure tank with the plug-in nipple on your device [29]. (Fig. 12)
  2. Activate the ball valve [30]. (Fig. 12)
    • The liquid starts to be supplied.
    • The amount of liquid can be regulated via the ball valve [30] on the device (e.g. drill).
  3. If the pressure drops below 1 bar (14.5 psi), min. 0.5 bar (7.25 psi), pump again. (Fig. 11)
  4. If the tank is empty, refill it. (→ See the chapter entitled “Preparation”)

After Usage

  • Observe the instructions in the section entitled “Safety”.
  • Never leave liquid in the device.
  1. Hold the plug-in coupling [15] and pull its outer ring. (Fig. 12)
    • The plug-in coupling [15] is disconnected from the plug-in nipple [29] on the device.
  2. Pull up the red piston pressure gauge [16] until the tank is depressurized. (Fig. 5)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-4
  3. Lock the piston rod with a handle [13]. (Fig. 6)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-5
  4. Unscrew the pump [2] from the tank and empty the tank. (Fig. 7)
  5. Wipe off the device with a moist cloth.
  6. For drying and storing the device, keep the tank [1] and pump [2] separate in a dry place protected from sunlight and freezing temperatures (Fig. 16).Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-12

Care and maintenance

  • Observe the instructions in the section entitled “Safety”.
  • After using the device 50 times or at least once a year:
  • Unscrew the pump [2] from the tank. (Fig. 7)
  • Dismantle the pump [2].
  • Unlock the piston rod with handle [13]. (Fig. 17)
  • Pull the piston rod with handle [13] out of the cylinder tube up to the stop and turn it counterclockwise (Fig. 17)
  • Disconnect the piston rod with handle [13] and the cylinder tube [2]. (Fig. 17)
  • Grease the O-ring [19] and the diaphragm [20]. (Fig. 18)
  • Assemble the pump.
  • Push the piston rod with handle [13] into the cylinder tube. (Fig. 20)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-16
  • Hold the cylinder tube [2] and strongly press in the guiding plug [14] with your thumb. (Fig. 20)
  • Pull the piston rod with handle [13] up to the stop down and turn it clockwise (Fig. 20)Husqvarna-WT-10MP-Pressurized-Water-Tank-fig-16
  • The guiding plug [14] snaps in.
  • Lock the piston rod with handle [13] and screw the pump [2] into the tank [1]. (Fig. 9)
  • Take the hose [4] with the discharge filter [34] out of the tank and clean the discharge filter under running water. (Fig. 24)
  • Observe the legal requirements of your country for accident prevention and check the device in regular intervals.
  • Unless otherwise specified, we recommend that an expert carries out an external test every 2 years and an internal test every 5 years as well as a strength test every 10 years.

Faults
Use only original spare and accessory parts.

Fault Cause Remedy
No pressure builds up in the device The pump is not screwed on

tightly.

| Screw the pump on tightly.
O-ring [19] on the pump is

faulty.

| Replace the O-ring (Fig. 19).
Diaphragm [20] is defective.| Replace the diaphragm (Fig. 19).
Liquid flows out of the

pump

| Valve disc [23] dirty of defec-

tive.

| Clean or replace the valve disc

(Fig. 21).

No tank pressure indication on the piston pressure gauge, Safety

valves blow off too early.

| Piston pressure gauge [16] is defective.| Replace the piston pressure gauge (Fig. 26).

The data and illustrations in these instructions for use are for orientation only and not
binding in any way. The manufacturer reserves the right to make changes or improvements to the products if these are considered appropriate without having to notify customers owning a similar model about this fact.

EU Declaration of Conformity

We, Husqvarna AB, SE 561 82 Huskvarna, SWEDEN, Tel. +46 36 146500 declare on our sole responsibility that the product:

Description Pressurized Water Tank
Brand HUSQVARNA
Type / Model WT 10 MP
Identification Manufacture dating from 2022 and onwards, in form Month and

Year, MMYY

complies fully with the following EU directives and regulations:

Directive/Regulation Description
2006/42/EC „relating to machinery“

and that the following standards and/or technical specifications are applied; EN ISO 12100:2010

  • Fredrik Sandinge
  • R&D Director, Concrete Sawing & Drilling Equipment Husqvarna AB, Construction Division
  • Responsible for technical documentation

UK Declaration of Conformity
We, Husqvarna AB, SE 561 82 Huskvarna, SWEDEN, Tel. +46 36 146500 declare on our sole responsibility that the product:

Description Pressurized Water Tank
Brand HUSQVARNA
Type / Model WT 10 MP
Identification Manufacture dating from 2022 and onwards, in form Month and

Year, MMYY

  • complies fully with the following UK regulations:
  • The Supply of Machinery (Safety) Regulations 2008
  • and that the following standards and/or technical specifications are applied; EN ISO 12100:2010

Fredrik Sandinge

  • R&D Director, Concrete Sawing & Drilling Equipment Husqvarna AB, Construction Division
  • Responsible for technical documentation

UK Importer

References

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