3275PP - Irrigation timer MESTO - Free user manual and instructions

USER MANUAL 3275PP MESTO

• acids and bases (for exceptions please see above)

• wetting agents (tensides)

• viscous or sticky liquids or liquids that form residues (dyes, greases)

• liquids at temperatures above 40 °C Under no circumstances should you use

• external pressure sources without a MESTO compressed air valve

• for storing and holding liquids. Make certain to read the instructions for use before using the device! Keep the instructions for use in a safe place where they can be easily found. Particular safety measures are required when working with the device. Improper use may result in dangerous injuries and environmental damage. Usage Welcome and congratulations14 Safety Only trained, healthy and rested people may work with the device. You should not be under the inuence of alcohol, drugs or medication. Children and adolescents must not use the device. Keep the spraying de- vices out of the reach of children. Keep bystanders away during spraying. Take precautions to prevent hazar- dous substances from being misused. Wear suitable protective clothing, goggles and respiratory protection when working with hazardous substances. Never spray on people, animals, electrical devices and lines, into the wind, or into bodies of water. Avoid ignition sources in the environment if you spray combustible liquids. Do not leave the device in the sun. Ensure that the device is not heated beyond the maximum operating temperature (→ Table 1). Protect the de- vice from frost and ammonia. Never blow through the nozzles or valves with your mouth. There is a risk of slipping or tripping on smooth or wet surfaces, snow, ice, on slopes and on uneven terrain. Repairs and modications to the tank are not permitted. The effect of the safety valve must not be bypassed or made inoperative. Use only MESTO spare parts and accessories. We cannot assume any liability resulting from the use of third-party parts. When pumping, always observe the pressure gauge to ensure that the recommended spraying pressure is maintained (→ Table 1 below). After use and before maintenance work, depressurize the device. Transport the devices in such a way that they are protected against dama- ge and overturning. GB IRL AUS USA NZ CDN IND15 Visual inspection: Check that tank [1], pump [2], hose [3], shut-off valve [6], piston pressure gauge[8], spray wand [5] and bow [27] with nozzle are undamaged. Pay special attention to the connections between the tank – hose and the hose – shut-off valve and to the condition of the pump threading and spray wand. No leaks: Pump up the empty device to 2 bar (Fig. 10). ► The pressure must not decrease more than 0.5 bar within 30 minutes Function: Pull up the piston pressure gauge [8]. (Fig. 3) ► The pressure must dissipate. Using the wheel lock [12] the lever on the shut-off valve [6] can be locked and unlo- cked. Unintentional spraying is prevented after locking [12b]. (Fig. 12) ► If required, reset the wheel lock [12a] and activate the shut-off valve [6]. (Fig. 12) ► The shut-off valve must open and close.

1. Attach the carrying strap [7] on the tank. (Fig. 2)

2. Push the hose [3] into the xture [9] and secure it with the cap nut [26]. (Fig. 4)

3. Push the hose [3] onto the shut-off valve [6] and secure it with the cap nut [26]. (Fig. 4)

4. Screw the spray wand [5] onto the shut-off valve [6] (Fig. 4)

Have damaged parts or parts that do not work properly repaired immediately by our customer service department or by service partners authorized by us. Checks Assembly Scope of delivery Tank [1], pump [2], hose [3], instructions for use [4], spray wand [5], shut-off valve [6], car- rying strap [7], bow [27], cap nuts [26]. (Fig. 1a and 1b)

Technical data Type of device

Max. lling amount 10 l (2.64 gal) 5 l (1.3 gal) Total contents 12.5 l (3.3 gal) 8 l (2,1 gal) Max. spraying pressure 3 bar (44 psi) Max. operating temperature 40 °C (104° F) Weight when empty 2.9 kg (6.4 lbs) 2.6 kg (5.7 lbs) Gross weight max. 12.9 kg (28.4 lbs) 7.6 kg (16.5 lbs) Material of tank polyethylene Where device is carried on the side Technical residual quantity < 0.07 l Max. volume ow 1 l/min Recoil force < 5 N Pressure change from 0 to 3 bar min. 5000 x Table 1 You will nd the illustrations referred to in the text in the pages 3 – 5 of these instructions for use. GB IRL AUS USA NZ CDN IND16

4. If the spraying pressure decreases more than 0.5 bar from the optimum level, pump

1. Hang the device over your shoulder. (Fig. 11)

To prevent dripping, hold the spray wand up when rst spraying and activate the shut-off valve until no more liquid mixed with air is emerging from the nozzle.

2. If required, reset the wheel lock [12a] and activate the shut-off valve [6]. (Fig. 12)

► Spraying may now begin.

3. Make certain the optimum spraying pressure is set (→ Table 2) on the piston pressure

gauge [8] (Fig. 10). Preparation Observe the instructions in the section entitled „Safety“. The device must be in an upright position. If lling the tank from a water line, ensure that the line or a hose does not project into the tank.

1. Pull up the red button on the piston pressure gauge [8] until all excess pressure is

released from the tank. (Fig. 3)

2. Press the piston rod with handle [10] down and turn it counterclockwise.

► The piston rod with handle is locked. (Fig. 5)

3. Unscrew the pump [2] from the tank. (Fig. 6)

We recommend you mix the spraying liquid in the device or premix it in an external tank: Fill to 1/3 with water, pour in the spraying agent, and then add more water until full.

4. Add the spraying liquid to the tank [1]. (Fig. 7)

5. Check the lling level with the scale [11] on the tank. (Fig. 7)

6. Screw the pump [2] into the tank. (Fig. 8)

7. Press the piston rod with handle [10] down and turn it counterclockwise.

► The piston rod with handle is unlocked. (Fig. 9)

8. Generate the desired pressure (→ Table 2) in tank (Fig. 10).

The maximum pressure should not exceed 3 bar (red line on the piston pressure gauge, Fig. 10). If the maximum pressure is exceeded, the safety valve will engage and release the excess pressure.

9. Press the piston rod with handle [10] down and turn it counterclockwise. (Fig. 5)

► The piston rod with handle is locked.

Observe the instructions in the section entitled „Safety“. Operate the device only while it is vertical or suspended upright and nearly vertical. Avoid allowing drops of spray to drift onto areas that are not being treated. Observe the instructions of the substance manufacturer! Spraying pressure Spraying rate with at jet nozzle (original equipment)

Table 2. Linear dependence: spraying rate – spraying pressure GB IRL AUS USA NZ CDN IND17 Care and maintenance After using the device 50 times or at least once a year:

• Unscrew the pump [2] from the tank. (Fig. 6)

• Dismantle the pump [2]. (Fig. 14)

• Grease the O-ring [13] and the sleeve [14]. (Fig. 15)

• Lock the piston rod with handle [10] and screw the pump [2] into the tank [1].

• Clean the nozzle [17] under running water. (Fig. 19)

• Unscrew the handgrip [19] from the shut-off valve [6].

• Remove the lter [18] and clean it under running water. (Fig. 20)

• Disassemble the shut-off valve [6]. (Fig. 21) a) Pull off the ring [21]. a) Loosen the four screws and pull the half shells [20] apart. b) Screw the sealing cap [25] from the valve body [22] and pull the pressure bolt [24] from the valve body [22]. (Fig. 22)

• Grease the O-rings [23]. (Fig. 22)

• Assemble the shut-off valve [6]. Observe the instructions in the section entitled „Safety“. Observe the legal requirements of your country for accident prevention and check the device in regular intervals. If there are no special rules, we recommend you have the device examined externally by a competent professional every 2 years and subject it to an internal inspection every 5 years. We would be happy to provide you with an inspection schedule in German or English. After Usage Observe the instructions in the section entitled „Safety“. Never leave spraying agent in the device.

1. Pull up the red button on the piston pressure gauge [8] until all excess pressure is

released from the tank. (Fig. 3)

2. Lock the piston rod with handle [10]. (Fig. 5)

3. Unscrew the pump [2] from the tank. (Fig. 6)

4. Dilute the remaining quantity twice in a row with 1/2 liter of water each time and spray

the resulting liquid onto the treated area. Collect and dispose of the residual liquid according to all applicable laws, require- ments and regulations. Observe the instructions of the substance manufacturer! Clean the protective equipment and yourself every time after usage.

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. 13).

If liquid mixed with air emerges from the nozzle, the tank is empty. GB IRL AUS USA NZ CDN IND18 Faults Use only MESTO spare parts and accessories (→ g. on page 2). Fault Cause Remedy No pressure builds up in the device. The pump is not screwed on tightly. Screw the pump on tightly. O-ring [13] on the pump is faulty. (Fig. 15) Replace the O-ring. Diaphragm [14] is defecti- ve. (Fig. 16) Replace the diaphragm. Liquid ows out of the pump. Valve disc [15] dirty or defective. (Fig. 17) Clean or replace the valve disc. Piston pressure gauge does not indicate any tank pressure. Safety valve blows off too early. Piston pressure gauge [16] is defective. (Fig. 18) Replace the piston pressure gauge. The nozzle does not spray even though pressure is present. Nozzle [17] (Fig. 19) or / and lter [18] (Fig. 20) is clogged. Clean the lter or / and nozzle. The shut-off valve does not close. Liquid emerges without the lever being activated. O-rings [23] of the pressu- re bolt [24] are not grea- sed / lubricated. (Fig. 22) Faulty O-rings [23] or pres- sure bolt [24]. (Fig. 22) Grease the O-rings of the pressure bolt (dismantle shut- off valve → section „Care and maintenance“) Replace O-ring or pressure bolt. Contact address for additional information → Title page. GB IRL AUS USA NZ CDN IND19 Original operating instructions