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Info

When using the product, always follow basic safety rules to reduce the risk of injury from fire or electrical shock.

Device Structure

  1. Nozzle

  2. Nozzle guide

  3. Poppet valvePoppet valve

  4. Engine body

  5. Piston

  6. Tappet plate

  7. Tappet plate mounting screw

  8. Tappet plate springpiston

  9. Solenoid valves

  10. Air hose

  11. Tappet plate tension screw

  12. Solenoid valve controlling intermediate valve

  13. Solenoid valve controlling nozzle movement

  14. Air hose

  15. M3 x 12

  16. M3 x 6

  17. Tappet plate spring

  18. O-rings:

    • 16x1.5 x1 O-ring

    • 8x1 x2 O-ring

    • 6x1 x1 O-ring

    • 4x1 x1 O-ring

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Installation of the PULSAR D Engine in the Gearbox

Introductory Information

Note

Caution
Regardless of your previous experience, follow all safety precautions to prevent any damage to your PULSAR D.

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  1. Get ready the replica where you will install your PULSAR D engine.

    Image RemovedImage Added

  2. Remove the gearbox shell from the replica.

    Image AddedImage Added

  3. Remove all components from the gearbox.

  4. Thoroughly clean and degrease the gearbox shell.

  5. Prepare the parts that you will use again when assembling the motor:

    1. trigger together with the spring

    2. selector plate.

  6. Get familiar with the contents of the PULSAR D engine packaging and the contents of the manual.

  7. Prepare the items for installation:

    1. PULSAR D HPA engine

    2. Air hose

    3. TITAN II Bluetooth® V2 gearbox drop-in FCU mosfet HPA

    4. Installation Kit

  8. Install the bottom PCB of TITAN II Bluetooth®. The distance around the bearing should be symmetrical.

  9. Place the wires as shown in the picture. Make sure that the wires do not obstruct the pin hole, the trigger sensor, and will not interfere with the trigger.

  10. Screw the air hose connector into the engine body opposite the valve. You can use a wrench or pliers to tighten it a little more.

  11. Connect the power supplies to the valve.

  12. Place the engine in the place of the cylinder so that it is pushed against the front wall of the gearbox. Check correct tappet plate installation.

  13. Install the trigger and the top PCB of TITAN II Bluetooth®. You will find the full TITAN II Bluetooth® manual here: https://help.gatee.eu/space/GHC/2873360445/User+Manual – TITAN+II+Bluetooth®+V2+gearbox+drop-in+FCU+mosfet+HPA.

  14. Close the gearbox shell and check that it closes evenly (do not tighten the screws). A slight gap before you have tightened it is acceptable.

  15. Open the gearbox and place the spring guide in its slot. Consider adding a bumper when placing on the guide to stiffen it.

  16. Consider leaving the middle gear to restrain the air pressure hose.

  17. Close the gearbox and tighten it with screws.

  18. If you have an adjustable trigger, such as the Nova Trigger, you can now adjust its range of movement. This should be done before calibrating the trigger sensor.

  19. Have the selector plate properly prepared by sticking the sticker from the installation kit labeled Selector Plate Sticker on it. Precision and accurate placement of the sticker on the plate is very important – see photo below:

  20. Install the selector plate and other selector components if any.

  21. Place the shell in the body of the replica.

  22. Install the grip by previously putting the air hose through the hole where the motor gear was previously located.

  23. Remove the adjustment screw from the motor cover.

  24. Then put the air hose through the hole where the screw was and install the cover.

  25. Installing the buffer tube guide

    1. Using your finger or a tool of some kind, press the guide against the rear wall of the gearbox.

    2. Gently tighten the guide screw so that the spring guide stays in place.

    3. Tighten the screw of the buffer tube guide until you feel resistance.

  26. At the end of the air hose, install the connector in the standard you will be using.

  27. Install the upper part of the replica body including the barrel and chamber.

  28. Connect the battery and perform trigger and selector calibration using the GCS app.

  29. Insert your magazine loaded with the BBs of the weight you’re going to be using.

  30. Carry out FPS measurements using a chronograph.

    1. If the results are stable, proceed with accuracy test – step 30.

    2. If you have encountered FPS spikes or results that are too low, then probably the gearbox has not been installed axially in the lower receiver. Go to point 31.

  31. Aim test – if the previous FPS measurements and now the accuracy test are satisfactory, then your replica is ready. If you have encountered problems at any of the previous stages, proceed to the next point.

  32. Axial alignment is very important when building an HPA replica. HPA engines, especially those operating in an open bolt system, are very sensitive to deviations from alignment.

    1. If you have specialized knowledge of replica building, you can correct the gearbox deviation from the body axis yourself. Otherwise, it is best to have a reliable service technician align the replica

    2. Using an inspection camera with a diameter of less than 6 mm is most effective in assessing the deviation from the axis.

      1. Insert the camera through the barrel and bring it close to the hop-up bucking.

      2. You should then see an image similar to one of the four situations.

      3. The deviations shown above will result in a sudden change in the trajectory of the BB in the same direction as the deviation from the axis. Example: The BBs are drifted to the left – the nozzle is moved more to the left. Solution – you need to move the front of the gearbox to the right, aiming at the centric location of the nozzle in relation to the hop-up bucking.

      4. Right-left correction will be carried out with the help of the adjustment screws supplied with our gearbox, which should be screwed into these holes marked in the photo and with them change the position of the gearbox. You can secure these screws with thread glue or a specific number of washers. For other gearboxes that do not have such screws, you need to drill holes in the front part of the gearbox on both sides of it, thread these holes, and fasten the screws in them, which should be handled similarly to the case of the gearbox. Otherwise, if this is not an option for you, you can use spacers in the form of various materials.

      5. You will carry out the top correction by shimming something under the gearbox in the area in front of the trigger or by collecting material from the surface in contact with the rear of the gearbox/rear of the replica body around the location of buffer tube guide.

      6. You will make the bottom correction by shimming something on the surface in contact with the spring guide or collecting material from under the gearbox in the area in the front of the body.

      7. In each replica, these values will vary and it may require many hours of correction to achieve perfect alignment of the replica. However, this will bring very good results in the form of stable FPS measurements and a repeatable BB trajectory, resulting in high accuracy.

      8. If you overcome the problem and improve the axiality of your replica, it is ready for use. 

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Manufactured by GATE Enterprise sp. z o.o. sp. k.
Torowa 3H
PL-30435 KRAKÓW
email: office@gatee.eu
tel: +48 12 210 05 23

http://www.gatee.eu/

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