Shenchen Precision Pump YZ Series User manual

Pump Head
Manual of YZ Series

Important Information：
Please read the operation manual before usingthe product.
Warning:
Tubing may have crack due to wear, the liquid may flow out from tube,
and hurt human body or damage the pump head. So we need to check
and change tube regularly.
If there is liquid on pump head, we need to clean it with soft cloth.
We need to check the tube every time when we start the pump.
After the tube been used sometime, we can turn the tube 90°or move
the workingposition to extend the tube lifetime.
Loosen the tubing when not in use for a long time.

Catalog
1. Production Introduction..........................................................-1-
2. YZ Series Pump head Installation..........................................-1-
3. YZ Series Pump Head Tubing Installation............................-3-
4. YZ Series Pump Head Dimension..........................................-6-
5. YZ Series Pump Head Technical Specification.....................-6-
6. Maintenance...........................................................................-8-
7. Warranty and After Sales Servive..........................................-8-

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1. Product Introduction
Easy-load type pump head, easy to install tubing, can mount
multiple pump heads according to user's requirement, convenient
for OEM application. There is two materials for YZ1515x and
YZ2515x pump head shell: PPS( Polyphenylene sulfide material),
black color, resist organic solvent corrosion, high precision, high
strength, suitable for industrial sites or work in bad environment.
Another material is PSF (polysulfone material), white color,
delicate appearance, good rigidity, high precision, suitable for
laboratory or support analytical instruments.
2. YZ Series Pump Head Installation
2.1 Single Pump Head Installation
Take two screws insert into mounting holes of the pump head separately.
Put the pump head shaft into pump drive coupler groove, then put the
screws into pump drive mounting hole, fasten it.

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Note: Try to use same strength to fasten two screws, and can not be too
tight.
2.2 Multiple Pump Head Installation
Usually, the pump head have been installed on pump drive. Below is
instruction of pump head installation if you receive the pump head and drive
separately or need to change pump head.
The pump head as in below picture when you receive it.
Take off the screw nut, install the complete set of pump head 1/2/3 together to
pump drive.
Note: If the pump head been disassembled into three separate pump head, the
roller assembly should be staggered in sequence as in below picture 2.

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Picture 2
2.3 Tubing Installation
Pull the lever 180° counterclockwise, and open the upper block.
Lift the cartridges of two sides separately, and put the tubing between

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rollers and upper block. .
Pull the lever 180° clockwise, and press the upper block to the correct
position. The cartridge hold the tubing stably, to prevent tubing move
during working.
2.4 Tubing Installation Note
Before you press the upper block, please make sure the tube have been
straighten. Otherwise it will cause the tubing stack in the pump head,
make the tube scratched. The tube position as in below picture:
Wrong Correct
Please make sure the tube is in natural direction inside pump head,
can not be twist.
Wrong Correct

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The tube should be straight in the inlet and outlet area of the pump head,
should not be forward or backward.
Wrong Wrong Correct
When need to use the tube in bend state, haven’t leave enough space,
then it will make the tube working position deviation, and tube will be
scratched during working.
Wrong Wrong

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Note : If must use the installation as in above wrong pictures, please
contact with us to make a suitable solution.
3. YZ Series Pump Head Dimension( Unit:mm)
4. YZ Series Pump Head Specification

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Flow Rate Chart

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5. Maintenance
When pump is not working, please loose the cartridges which press
the tubing to avoid changing the shape of tubing because of
longtime extrusion.
Keep the rollers of pump head clean and dry, otherwise it can
quicken the tubing wear, reduce the useful life of tubing and lead
the rollers to damage in earlier.
Pump head cannot resist super corrosive liquid. Please pay
attention to it when using.
6. Warranty and After Sales Servive
We support 1 year warranty (not including tubing). During the
warranty, if the products are damaged because of users’ wrong
operation or other human damages,our company do not responsibility
for warranty. Beyond the warranty, we only charge the cost of
maintenance. Refer to all maintenance including in and beyond the
warranty, we do not bear any freight charges because of maintenance.