Tohnichi TW750N2 Manuel utilisateur

OPERATING INSTRUCTION

To use this product properly and safely, please read this manual carefully before use. If you have

any question about the product and its operations, please contact your nearest distributor or

TOHNICHI MFG. CO., LTD.

TW750N2/TW1000N2 TW750N2/TW1000N2 Model

SPECIALIZED TORQUE WRENCH

FOR LARGE SIZE WHEEL NUT

MODEL TW750N2/TW1000N2

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

To customers: Before using this product, please read this operating instruction carefully to use it

properly. If you have any question, please contact your nearest distributor or TOH ICHI MFG.

CO., LTD. This operating instruction should be stored in a safe place.

Safety Precautions

Safety Symbol

This symbol is used for drawing attention to "safety precautions". If you see this symbol

in this operating instruction, attention should be paid to safety. Take preventative

actions according to the description and conduct "safe operations and proper control".

Signal Words

The signal words are the headers which indicate the level of hazard that should be known for

human safety in handling devices. The signal words for safety are "Danger", "Warning" and

"Caution" depending on the level of hazard to human. The signal words are used with the safety

symbol to indicate the following situations.

" Danger": Indicates an imminently hazardous situation which, if not avoided, will result in

death or serious injury.

" Warning": Indicates a potentially hazardous situation which, if not avoided, could result in

death or serious injury.

" Caution": Indicates a potentially hazardous situation which, if not avoided, may result in

minor or moderate injury.

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

• Do not use it for any other purpose than tightening bolts.

This product is the torque wrench specialized in tightening wheel nuts of large vehicles (truck,

bus, etc).

• Do not use it for loosening the bolt.

Loosening torque may apply excessive torque and cause accidents or injuries.

• Check the handle does not have any oil or grease on it.

It may cause your hand to slip and cause injuries.

• Check for crack, scratch, rust on the product.

The damage on the product may cause accidents and injuries. Conduct check and repair.

• Do not use pipe, etc, to lengthen the handle.

It may cause the torque wrench to break and the accuracy cannot be maintained.

Warning

Potential danger which may cause serious consequences

• Pay attention to the "ONL " arrow mark.

The torque wrench operates only when applying torque in the direction shown on the arrow.

If you apply torque on the wrong direction, the torque wrench itself may break down and it

could lead to acceidents and injuries.

• Stop tightening upon "click" sound.

If you keep applying torque, it will be over-torque.

• Do not use mementum or your weight, when applying torque.

It may cause the wrench to slip and come off the bolt, which may lead to accidents and injuries.

• Do not apply torque over specified maximum value.

It may break itself and cause accidents and injuries.

• Use sockets that match the bolt and nut.

If sockets and bolt/nut are incompatible shape, it cause accidents and injuries.

• Do not use a defected product such as one without pins or graduation, etc.

Make sure to contact the shop of your purchase or TOH ICHI and ask for check-up and

repair.

• Do not try to modify the product.

It may affect robustness and cause accuracy failure.

Caution

Potential danger that poses hinderance but not serious consequences

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

• Do not use any other parts for repair than those specified by TOHNICHI.

To repair the torque wrench, contact your nearest distributor or TOH ICHI and use parts

specified by TOH ICHI only.

• Make sure to set torque value before use.

Torque is set to the minimum value at default.

• Do not use it at the torque out of its specified torque range.

• Do not use it in the rain or in water.

This product is OT water-resistant. Take measures so water don’t come inside the product.

• Conduct calibration and daily inspection.

Calibration and daily inspection is required. For calibration, contact your nearest distributor or

TOH ICHI.

• When working in a narrow space, watch out for your hand and elbow.

When operating the torque wrench, be careful not to hit your hand and elbow against

surroundings.

• Do not apply oil inside the torque wrench.

It may cause the output torque to be excessive.

• Do not use it on unpaved ground (gravel, mud, etc).

Output torque may be unstable, and may degrade product durability, or cause injuries.

• After use, make sure to remove all the dirt such as dust, mud, oil, etc before storage.

If you store it with dirt on, it may cause operation and accuracy failure.

• If you don't use it for a long time, set it to the lowest torque value. Apply some anti-rust

oil and store it in a dry place.

Storing in wrong conditions may degrade the product durability and accuracy.

Attention on Safety

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

Safety Precautions ............................................................... 2

1. Main Body Assembling Procedures.............................. 5

2. Components and Name of Each Part ........................... 6

3. Preparation before Use.................................................. 7

4. How to Use..................................................................... 8

Contents

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

1. Check all the necessary parts are included in the package.

Main Body Assembling Procedures

Clip remover….1pc

Part#149

Head…1pc

Caster…1pc

Frame…1pc

Pin (large) 2pc

Part# 02T75177

Pin (small)…2pc

Part# 03T75177

Clip … 10pc (2pc for spare)

Part# S/1301C

2. Put the caster on the frame.

Push the clip into the hole of the

pin (small) (2 places).

Using the edge of the clip remover,

push the clip into the hole.

Caster

Frame

Pin (small)

Clip

Pin (small)

Intert the pin (small)

into the 3rd and 4th

holes from the top

of the frame.

3. Combine the head into the frame.

Insert the clip into the

hole of the pin (large)

(2 places).

Using the edge of the

clip remover, push in

the clip into the hole.

Grip

Head

The grip side

should be in

line with the

frame side.

frame

Set the head into

the frame and

insert the pin

(large) into the

1st and 2nd hole

of the frame. Pin (large)

Grip

4. Move the product up and down and check the pin and the clip are securely set.

Push down the head

toward the arrow direction.

Caution

Make sure the grip of the head is facing the frame side (two-wheel side).

If you put it on the wrong direction, it does not operate properly.

* For disassembling procedure, refer to Chapter 2 and 3.

To remove clips, use the clip remover included in the

package.

* For calibration, contact TOH ICHI.

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

Components and Name of Each Part

TW750N2/1000N2 torque wrench

Head

Input drive

Grip

Output shaft

Package contents

oTW750N2/1000N2 main body

(refer to the assembling procedures)

oTW750N2/1000N2 torque wrench

oOperating instruction

Hand force line

TW750N2/1000N2 main body

TW750N2/1000N2 dimensional drawing

Output shaft length

486

Total width of main body

460

374 374

Squaredrive

ofoutput25.4

Torquewrench

operatingangle

range105°

Total height of the main

body 937 (max)

55°

(TW1000N2)

Total height of the main

body 378 (minimum)

1145

Height range of nut to tighten: about 255mm - 790mm from the ground

TW750N2/1000N2 tightening height range

* Specifications are

subject to change

without prior notice.

Minimum height of

nut to tighten

about 255

Max height of

nut to tighten

about 790

65°

(TW750N2)

Caution

TW750 2/1000 2 main body and the torque

wrench are calibrated as one set.

If you combine the body and the torque wrench

of different serial number, you may not get the

accurate torque result.

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

Preparation before Use

Put on the sockets on both sides of the output shaft.

* Socket is not included in the set. Choose a socket that matches the bolt and nut.

Output shaft drive size: o25.4mm

Output shaft

Socket

Caution

Socket also prevents the output shaft from coming off the head.

If you don't put sockets on, or put only one socket on, the output shaft may come off the head and drop

to the ground. It may cause injuries.

Make sure to put O-ring and pin on the socket to prevent it from coming off the output shaft accidentaly.

Check the serial number on TW750N2/1000N2 main body and the serial number on the

torque wrench are the same.

Serial number of TW750N2/1000N2

main body is printed here.

* Example of serial number:

123456A (6 digit number + 1 alphabet)

Serial number of the torque

wrench is printed here.

* Serial number is printed on

both sides of the wrench.

Caution

TW is calibrated as one set (mainbody +

torque wrench).

If you use the main body or the torque

wrench of different serial number, it may

not be able to output accurate torque.

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

How to Use

• Set the torque value.

Set the torque value on the graduation of the torque wrench.

The value on the graduation is multiplied value by the gear ratio. Therefore, the torque value

on the graduation should be the same as the value you wish to apply on the bolt.

You do not need to multiply the torque value by the gear ratio of the main body.

1. Loosen the locker.

2. Rotate the sub graduation and set the torque value (main graduation + sub graduation).

3. Lock the locker (clockwise).

(If the locker is hindered by the pin, relocate the pin to the appropriate position.)

Sub graduation

Locker

Red dot

Torque value

increase

Main graduation

Graduation datum line

Graduation line Sub graduation

Torque value

decrease

Lock

Unlock

* Check the tightening direction.

Attached sticker indicates the tightening direction.

Output shaft

Gas damper

Tightening direction sticker

• Set TW750N2/1000N2 main body to the bolt and the nut.

To set the position of TW750 2/1000 2 main body, vertical position (height) can be adjusted

by the gas damper and horizontal position by sliding the shaft.

Example) Set torque value to 550 ·m.

1. See the main graduation while

rotating the sub graduation. When

it comes close to 500 ·m on the

main graduation, check the value

on the sub graduation. Align 0 of

the sub graduation to the red dot.

ow, the torque wrench is set to

500 ·m.

2. See the sub graduation and rotate

it clockwise until 50 is aligned to

the red dot. ow, the torque

wrench is set to 550 ·m.

SPECIALIZED TORQUE WRE CH FOR LARGE SIZE WHEEL UT MODEL

TW750N2/TW1000N2

When tightening CCW screw

(counter-clockwise screw)

* Counter-clockwise screw is used in JIS hubs.

"LEFT" is printed on the

tube of the torque wrench.

When tightening CW screw

(clockwise screw)

"RIGHT" is printed on the

tube of the torque wrench.

Left Right

• Set the torque wrench on TW750N2/1000N2 main body.

Input drive

Set the head of the torque wrench to the input drive.

The pin on input drive and cut part of the head are to be aligned.

Caution

Insert the head of the torque wrench fully and

securely to the input drive.

If the head is not fully inserted, the main body and

the torque wrench may be damaged, which

causes accidents and injuries.

Ce manuel convient aux modèles suivants

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