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2

Checking the product

This chapter explains the items you should check, as well as the names and functions 

of each part.

Package contents

Verify that the items listed below are included. Report any missing or damaged items to 

the branch or sales office from which you purchased the product.

 Motor ...................................................................... 1 unit

The figure shows an example of the combination type. 

Combination type: With a gearhead

 Mounting screw set ............................................. 1

Supplied with the combination type.

① 

Hexagonal socket head screw: 4 pieces

③ 

Spring washer: 4 pieces

② P

lain washer: 4 pieces

④ 

 

Parallel key: 1 piece

 

200W, 300W, and 400W types are fixed to the output shaft

 Instructions and Precautions for Safe Use ...... 1 copy

Model

Verify the model number of the purchased product against the number shown on 

the package label. Check the model number of the motor and gearhead against the 

number shown on their nameplates, respectively.

o

 in the model name indicates a number representing the gear ratio.

 in the model name indicates 

A

 (no machining) or 

AC

 (shaft flat) for the round 

shaft type.

 

z

Combination type • parallel shaft gearhead

Output 

power

Combination motor model

Motor model

Gearhead model

30 W

BLM230-

o

B

BLM230-GFV2

GFV2G

o

60 W

BLM460S-

o

B

BLM460S-GFV2

GFV4G

o

120 W

BLM5120-

o

B

BLM5120-GFV2

GFV5G

o

200 W

BLM6200S-

o

B

BLM6200S-GFV

GFV6G

o

300 W

BLM6300S-

o

B

BLM6300S-GFV

400 W

BLM6400S-

o

B

BLM6400S-GFV

 

z

Round shaft type

Output 

power

Motor model

30 W

BLM230-

2

60 W

BLM260-

2

120 W

BLM5120-

2

200 W

BLM5200-

300 W

BLM5300-

400 W

BLM5400-

Names and functions of parts

Output

shaft

Mounting hole

(4 locations)

Motor cable

Gearhead

Motor

Protective Earth

Terminal
Be sure to ground.

Installation

This section explains the installation method of a load in addition to the installation 

location and installation method of the product.

Installation location

Install the product in a well-ventilated location that provides easy access for 

inspection.

 

Inside an enclosure installed indoors (provide a ventilation hole)

 

Operating ambient temperature: 0 to +40 °C (+32 to +104 °F) (non-freezing)

 

Operating ambient humidity: 85% or less (non-condensing)

 

Area that is free of explosive atmosphere or toxic gas (such as sulfuric gas) or liquid

 

Area not exposed to direct sun

 

Area free of excessive amount of dust, iron particles or the like

 

Area not subject to splashing water (rain, water droplets), oil (oil droplets) or other 
liquids

 

Area free of excessive salt

 

Area not subject to continuous vibration or excessive shocks

 

Area free of excessive electromagnetic noise (from welders, power machinery, etc.)

 

Area free of radioactive materials, magnetic fields or vacuum

 

Altitude Up to 1000 m (3300 ft.) above sea level

Installation method

 

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Installing the combination type • parallel shaft gearhead

Secure the motor through four mounting holes using the supplied mounting screw 

set. Do not leave a gap between the motor and mounting plate.

Supplied

Motor

Gearhead

L2

L1

Model

Gear ratio

Hexagonal socket head screw (Material: 

Stainless steel)

Tightening 

torque

Screw size L1 [mm (in.)] L2 [mm (in.)]

BLM230

5

 to 

20

M4

50 (1.97)

6 (0.24)

1.4 N·m 

(12.3 lb-in)

30

 to 

100

55 (2.17)

7 (0.28)

200

60 (2.36)

7 (0.28)

BLM460S

5

 to 

20

M6

60 (2.36)

8 (0.31)

5.0 N·m 

(44 lb-in)

30

 to 

100

65 (2.56)

8 (0.31)

200

70 (2.76)

8 (0.31)

BLM5120

5

 to 

20

M8

70 (2.76)

11.5 (0.45)

12.0 N·m 

(106 lb-in)

30

 to 

100

85 (3.35)

13.5 (0.53)

200

90 (3.54)

12.5 (0.49)

BLM6200S 

BLM6300S

∗1

 

BLM6400S

∗2

5

 to 

20

M8

85 (3.35)

11 (0.43)

12.0 N·m 

(106 lb-in)

30

50

100 (3.94)

14 (0.55)

100

200

110 (4.33)

10 (0.39)

∗1 

The gear ratio of the 

BLM6300S

 is 5:1 to 100:1.

∗2 

The gear ratio of the 

BLM6400S

 is 5:1 to 50:1.

 

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Removing/Installing the gearhead

See the following steps to replace the gearhead or to change the cable position.

1. 

Removing the gearhead

Remove the hexagonal socket head screws assembling the motor and gearhead 

and detach the motor from the gearhead.

 

Assembly hexagonal socket head screw

Model

Screw size

Tightening torque

BLM230 

BLM460S

M2.6

0.4 N·m 

(3.5 lb-in)

BLM5120 

BLM6200S 

BLM6300S 

BLM6400S

M3

0.6 N·m 

(5.3 lb-in)

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