Makita WT05Z Manual - Page 9

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Proper fastening torque for high tensile bolt

N•m

(ft•lbs)

140

(100)

120

(90)

100

(70)

(60)

(40)

M8 (5/16")

(30)

(10)

1. Fastening time (second) 2. Fastening torque

NOTE: Hold the tool pointed straight at the bolt or nut.

NOTE: Excessive fastening torque may damage the

bolt/nut or impact socket. Before starting your job,

always perform a test operation to determine the

proper fastening time for your bolt or nut.

NOTE: If the tool is operated continuously until the

battery cartridge has discharged, allow the tool to rest

for 15 minutes before proceeding with a fresh battery

cartridge.

The fastening torque is affected by a wide variety of

factors including the following. After fastening, always

check the torque with a torque wrench.

When the battery cartridge is discharged almost

completely, voltage will drop and the fastening

torque will be reduced.

Impact socket

•

Failure to use the correct size impact socket

will cause a reduction in the fastening torque.

•

A worn impact socket (wear on the hex end

or square end) will cause a reduction in the

fastening torque.

Bolt

•

Even though the torque coefficient and the

class of bolt are the same, the proper fasten-

ing torque will differ according to the diame-

ter of bolt.

•

Even though the diameters of bolts are the

same, the proper fastening torque will differ

according to the torque coefficient, the class

of bolt and the bolt length.

The manner of holding the tool or the material of

driving position to be fastened will affect the torque.

Operating the tool at low speed will cause a reduc-

tion in the fastening torque.

M12 (1/2")

M10 (3/8")

M8 (5/16")

MAINTENANCE

CAUTION:

Always be sure that the tool is

switched off and the battery cartridge is removed

before attempting to perform inspection or

maintenance.

NOTICE:

Never use gasoline, benzine, thinner,

alcohol or the like. Discoloration, deformation or

cracks may result.

To maintain product SAFETY and RELIABILITY,

repairs, any other maintenance or adjustment should

be performed by Makita Authorized or Factory Service

Centers, always using Makita replacement parts.

OPTIONAL

ACCESSORIES

CAUTION:

These accessories or attachments

are recommended for use with your Makita tool

specified in this manual. The use of any other

accessories or attachments might present a risk of

injury to persons. Only use accessory or attachment

for its stated purpose.

If you need any assistance for more details regard-

ing these accessories, ask your local Makita Service

Center.

•

Impact socket

•

Plastic carrying case

•

Makita genuine battery and charger

NOTE: Some items in the list may be included in the

tool package as standard accessories. They may

differ from country to country.

Discover other impact wrenches on our website.