Matatakitoyo Torque Tools OBT2 User manual

Quick release button design.
Push the button to release socket.
PUSH
Insert square drive securely to the socket.
BEFORE STARTING
HOW TO USE
leftright center
Position of ratchet lever for
clockwise/counter clockwise tightening.
TORQUE
1/2”
After all the nuts are installed, use a torque wrench to tighten them one
by one in the order of the screws.
4 holes 5 holes
11
22
3
3
4
4
5
1. Study this instruction before use.
2. This torque wrench is calibrated and tested before leaving the factory, it is certified to meet the current standard specification and has
an accuracy of C.W. ±4% / C.C.W. ±6%.
3. THIS TOOL IS A PRECISION MEASUREMENT AND DESIGNED FOR MANUAL TIGHTENING FASTERNERS ONLY.
DO NOT USE IT AS A NUT BREAKER OR FOR ANY OTHER PURPOSE.
4. Do not over torquing the fastener, or it will cause tool’s damage and serious injury.
5. Do not use this tool near rotating machinery.
6. Disassemble this tool or make any adjustments will result in
the loss of accuracy and invalidating the warranty.
7. Do not continuously apply force after hearing the clicking
sound or feel shock.
8. Do not use any kind of extension on the handle of the tool.
This will not only damage the tool, also affect the accuracy.
9. Do not immerse grease inside ratchet head.
It may cause unexpected damage.
10. Use special care at minimum torque setting.
11. Please wear gloves and goggles when working.
CONTENTS
LIGHT BLUE
WHITE
GREY
BLUE
YELLOW
Main Scale
Knob
Quick Release
Ratchet Lever Grip Hand ForceTube
Manual
WARNING
STOP
CLICK
Choose a qualified socket
Do not continuously apply force after
hearing the clicking sound or feel shock.
ManualSupplied in a plastic box.
Torque wrench
OBT2
OPERATION MANUAL
Adjustable Torque Ｗｒｅｎｃｈ
Multi Pre-Set Type
Models covered

1. Please return torque value to just below lowest reading when not in use. Do not turn below lowest reading. (See D)
2. If this tool has not been used for a period of time, it shall be preloaded several times at its maximum torque setting.
This will allow internal lubricant to recoat.
3. Clean this tool by wiping with a clean cloth after operation and storage in a dry environment.
Do not dip any type of liquid in this tool. This may damage the internal of this tool.
4. This tool should be recalibrated a period of 12 months, or 5,000 cycles,
whichever occurs first. To contact with local vendor or
an authorized repair center for supporting.
For example : ITEM NO. OBT2-190N，To set torque to 135 Nm.
Pull down the knob, rotate the required value 135 Nm/GREY (See
A) to align the vertical Grey dot of the handle (See B), that is, the
torque value 135 Nm (See C).
1. Pull down the knob to unlocked.
2. Turn the adjustable knob Clockwise or Anti-clockwise
(Right or left) to set the desired torque.
3. Push up the knob to set finished.
HOW TO SET TORQUE VALUE
TORQUE CONVERSION FACTORS
MAINTENCE AND STORAGE
SPECIFICATION
Accuracy : C.W. ±4% / C.C.W. ±6%
Conversion-formula :
Units to be converted × Factor = Corresponding unit
Example : Convert 5 lbf.ft into cN.m
Solution : 5 × 135.6 = 678 cN.m
Units to be
converted
1 mN.m
1 cN.m
1 N.m
1 ozf.in
1 lbf.in
1 lbf.ft
1 gf.cm
1 kgf.cm(kp.cm)
1 kgf.m(kp.m)
1
10
1000
7.062
113
1356
0.098
98.07
9807
0.1
1
100
0.706
11.3
135.6
0.01
9.807
980.7
0.001
0.01
1
0.007
0.113
1.356
0.0001
0.098
9.807
0.142
1.416
141.6
1
16
192
0.014
13.89
1389
0.009
0.088
8.851
0.0625
1
12
0.0009
0.868
86.8
0.0007
0.007
0.738
0.005
0.083
1
0.00007
0.072
7.233
10.2
102
10197
72
1152.1
13826
1
1000
100000
0.01
0.102
10.2
0.072
1.152
13.83
0.001
1
100
0.0001
0.001
0.102
0.0007
0.0115
0.138
0.00001
0.01
1
=mN.m =cN.m =N.m =ozf.in =lbf.in =lbf.ft =gf.cm =kgf.cm
(kp.cm)
=kgf.m
(kp.m)
Corresponding unit
GREY GREY
1 2 3 A B C
Unlock LockSet
D
1 Years
5000 Times
H
A
W
L
ØD2
ØD ØD1
Unit : mm
W
Color
OBT2-190N
(OBT2-140F)
OBT2-190N
OBT2-140F
43.0
H
41.2
L
515.6
ØD
25.4
ØD1
38.3
ØD2
43.8
88 Nm (65 ft.lb)
108 Nm (80 ft.lb)
135 Nm (100 ft.lb)
163 Nm (120 ft.lb)
190 Nm (140 ft.lb)
YELLOW
BLUE
GREY
WHITE
LIGHT BLUE
1/2” 1.43
G
ITEM NO. SET Nm (ft.lb)
A
Made in Taiwan
E-mail:[email protected]om
www.matatakitoyo.com
MATATAKITOYO TOOL CO., LTD.
No. 63, Ln. 493, Sec. 3, Zhongshan Rd., Tanzi Dist.,
Taichung City 42754, Taiwan
TEL : [phone]
Manufacturer Jan. 2023
02
Version