Jack mounting surface

The mounting surface of the jack is painted to prevent rust. If painting of the mounting surface is not required, please contact us.

Installation direction [The position of each plug varies depending on the installation type.]

Please check that the installation type and the installation position of each plug (pressure vent, drain plug) are correct.
(For details, please refer to the external dimensions diagram on Major Specifications page of each product.)

The reducer is shipped filled with oil. The oil filler port is plugged to prevent oil leakage during transport, so please replace the plug with the included pressure vent before use. If you operate the unit with the plug in place, the internal pressure may increase, causing oil to leak from the oil seal.

Installation location

Do not place any obstacles around the jack that may block ventilation. This will hinder cooling and may result in burns or fire due to abnormal heating. The holes through which the screw covers and screw shafts pass through the base should be as small as possible to ensure a large contact area between the jack installation surface and the base.

Grease and oil may splash or fall. For equipment that cannot tolerate oil, such as food processing machinery, install an oil pan or other damage prevention device to prevent grease and oil from splashing or falling.

Mounting bolt

Use the four mounting holes on the jack's gear case to secure the mounting bolts (not included).

Please refer to the table below for the jack mounting bolt size. Normally, the mounting bolts should have a strength classification of 10.9 or higher.

Mounting bolts and mounting hole sizes

Connection with the motor

When installing the jack itself as well as the motor, etc., please prepare a sturdy base with a safety factor that will prevent the centering accuracy during installation from being affected even when the maximum load is applied, so that proper installation can be performed. Also, be sure to center the transmission shaft connected to the input shaft.

When driving with a floating shaft, vibrations may occur depending on the rotation speed, which may result in malfunction, so please carefully consider the shaft rigidity and coupling backlash.

Attaching End fitting

When attaching End fitting to a screw shaft, please take measures to prevent loosening of the threaded part at the end of the shaft. Rotational torque acts on the screw shaft and End fitting may fall off, so please take the following measures.

• (1) Apply adhesive to prevent loosening of screws
  To prevent screws from loosening, please use the brands listed on the right or equivalent products. When applying adhesive, please follow the handling precautions of each manufacturer.

  Screw locking adhesive

  Manufacturer	Brand
  Henkel	#262、271
  ThreeBond Co., Ltd.	#1307N

• (2) Fix with a set screw

  After tightening End fitting, secure it with the included setscrew (hexagon socket head bolt) to prevent it from loosening.

Limit switch settings

The limit switch installed to adjust the stroke should be set taking into account the coasting amount of the jack. The coasting amount varies depending on the installation condition and the amount of material being transported, so please plan for the maximum coasting amount. Also, to be on the safe side, install a mechanical stopper or similar within the stroke range.

Position detection unit settings

If you are using an optional position detection unit (internal LS, rotary encoder, potentiometer), stroke adjustments are not made at the factory, so be sure to adjust them before operation. When adjusting the internal LS, operate the jack manually or by inching, taking great care not to exceed the stroke range of the jack. Please note that exceeding the stroke limit may cause the screw shaft to fall off or the bellows to be damaged.

Precautions

• ⚠ (1) Do not manually operate the input shaft while a load is applied. The load may cause the input shaft to rotate, creating a hazard.
• (2) Do not stop the jack by hitting it under any circumstances. Doing so may cause serious damage to the inside of the jack.
• (3) The load applied to the jack should be coaxial with the jack's screw axis. If the load direction or position is inappropriate, bending or lateral loads may be applied to the jack, which may cause damage. (Figure 2)
  If lateral loads or other forces are applied, please install a guide to ensure that the jack is not subjected to direct lateral loads or bending moments.
• (4) Make sure that the peak torque at startup does not exceed the allowable input shaft torque.

Figure 2