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-37-

Immediately stop

using the tool.

Ask your YOKOTA dealer

    for repair.

The tool does not rotate under no load.

The tool rotates under no load.

Countermeasures

Symptoms

Supposed causes

Symptoms of troubles and countermeasures

The tool 

does not

 work. 

(No pulsing)

The oil pulse 

unit slips.

When under load

Main shaft does

not rotate even

if it is turned by

fingers.

Main shaft

rotates if it 

is turned by 

fingers.

The tool 

does not

stop even

after a 

throttle lever

is released.

Dust contamination

Seized main shaft bushing

Damaged ball bearing

Damaged vane

Motor part seizure

Motor part seizure

Too low air pressure

Too low air pressure

Faulty assembled motor

Pulse unit seizure

Damaged spring for blades

Damaged knock pin of the liner

Damaged spring for blades

Oil leak

Low T

emperature

Malfunction of a throttle

If there is no improvement with 

above countermeasures and repair.

W

arming-up operation

Confirmation of air pressure

The repair is authorized.

Yes

Repair

No

Summary of Contents for YX-180

Page 1: ...18 20 1 8 29 29 24 28 30 31 32 33 34 35 Sq YX 180 YX 280 YX 380 YX 500 YX 700 YX 900 YX 1100 YX 1400 YX 1900 YX 2400 YX 3000 YX 4500...

Page 2: ...cautions for safe use of pneumatic tools 29 Tightening torque of touch joint 29 24 28 30 31 32 33 36 37 INSTRUCTION MANUAL FOR IMPULSE WRENCH Pistol type Square type Thank you very much for purchasin...

Page 3: ...1...

Page 4: ...2 1 100...

Page 5: ...3 5...

Page 6: ...4 85dB 85dB...

Page 7: ...5...

Page 8: ...6...

Page 9: ...7...

Page 10: ...8 1 2 3 TKa 46 32 ISO VG32...

Page 11: ...s or your YOKOTA representative to obtain the Manual or the warning label and then properly retain the Manual or replace the warning label In cases where you transfer or rent this product be sure to a...

Page 12: ...ly vary particularly in case of high velocity airflow This phenomenon is commonly referred to as mid flow loss or piping loss which results from loss or leakage to outside due to friction between airf...

Page 13: ...lfunctions of the pneumatic tool or accidents supply clean and dry com pressed air to it For that purpose it is recommended to install an air drier air filter etc Use proper air hose Use an oil resist...

Page 14: ...hazardous situation Pay careful attention to noise levels There are restrictions on noise levels prescribed by the laws and regulations as well as prefectural ordinances The pneumatic tool must be us...

Page 15: ...he pneumatic tool with great care Do not throw or drop the pneumatic tool to give it shocks Rough handling of the pneumatic tool could result in accidents or malfunctions of it Handle the air hose wit...

Page 16: ...nce the pneumatic tool is in imminent danger while in use NEVER bring your hand or a cloth to the moving part of the pneumatic tool Do not bring the pneumatic tool into contact with electricity Since...

Page 17: ...pneumatic tool with parts or screws dismounted from it Doing so could result in accidents Immediately stop using the pneumatic tool if there is any abnormality on the tool If there is any abnormality...

Page 18: ...motor part through the air inlet two or three times a day For that purpose it is recommended to install a lubricator with automatic drop function Above remommended oil can be handled by us Be sure to...

Page 19: ...ice factory For repair of the pneumatic tool ask us or our authorized or designated service factory through your YOKOTA dealer or distributor Note that we are not responsible for any accidents or defe...

Page 20: ...18 0 4 0 6MPa...

Page 21: ...19 1 2...

Page 22: ...20 6 6 10...

Page 23: ...ent for power tools If attachments for hand tools are used there is a risk of breakage which may cause the accident such as scattering of fragments Therefore be sure to use attachments for power tools...

Page 24: ...damage and replace them if needed Precautions for use Check the tightening direction Operate a tool after confirming the direction of switching lever When switching the direction make sure that the to...

Page 25: ...s been in storage for more than 6 months may cause oil leakage because of damage to the seal part on the impulse mechanism When putting the tool in storage for a long period be sure to make the period...

Page 26: ...171mm 140mm 23 0mm YX 280 M6 M8 10500 rpm 300 min A N R 9 5mm Rc1 4 9 5 5m 83dB A 1m 1 07kg 182mm 140mm 23 0mm YX 380 M8 10000 rpm 300 min A N R 21 27 33 37 9 5mm Rc1 4 9 5 5m 81dB A 1m 1 24kg 182mm 1...

Page 27: ...le Offset about Air Hose Size 1 Hex Wrench 1 piece 1 4 1 H5 1 Touch Joint 1 4 1 piece Hex Wrench H5 1 piece H1 5 YX 500 700 H2 YX 900 1100 1400 H2 5 YX 1900 YX 500 YX 700 YX 900 YX 1100 YX 1400 YX 190...

Page 28: ...t about Model Bolt Capacity YX 2400 M14 M16 4200 rpm 550 min A N R 12 7mm Rc1 4 9 5 5m 81dB A 1m 4 1kg 236mm 258mm 37mm Free Speed Approx 1 Torque Adjustable Range Reference Air Inlet Thread Pipe Thre...

Page 29: ...Capacity YX 3000 M16 M18 4700 rpm 600 min A N R 19mm Rc1 4 12 7 5m 80dB A 1m 4 6kg 246mm 263mm 40mm Free Speed Approx 1 Torque Adjustable Range Reference Air Inlet Thread Pipe Thread Noise Level Weig...

Page 30: ...t about Model Bolt Capacity YX 4500 M18 M20 3400 rpm 700 min A N R 19mm Rc3 8 12 7 5m 87dB A 1m 9 8kg 293mm 296mm 49mm Free Speed Approx 1 Torque Adjustable Range Reference Air Inlet Thread Pipe Threa...

Page 31: ...p condition Place a reverse lever to the positions of R or L properly A tool does not rotate with the reverse lever set to the intermediate position How to operate a reverse lever Tightening torque of...

Page 32: ...knob Operate a tool after checking the direction of the switching lever 1 2 At one stage the tool rotates with low speed and at two stage with Max speed 2 PAT Two stage type throttle mechanism PAT OF...

Page 33: ...justment screw with a hexagon wrench to set torque Turning right increases torque and turning left decreases torque Do not turn the torque adjustment screw all the way to the maximum position or the m...

Page 34: ...a hexagon plug with a hexagon wrench When you set torque please tighten a hexagon plug even at test tightening Hammer Case Hexagon Wrench Hexagon Plug 1 Torque Adjustment Screw one turn loosened from...

Page 35: ...ngth of the pin should be proper enough not to be extruded out of the socket O Fix an o ring over the socket to prevent the pin from coming off Mounting of a socket Pin Pin Hole Socket Main Shaft O O...

Page 36: ...34 R L Yes No...

Page 37: ...35 Yes No...

Page 38: ...toms of troubles and countermeasures Main shaft bushing seizure Reverse lever opening and closing operation failure Too low air pressure Silencer jam Throttle knob opening and closing operation failur...

Page 39: ...it is turned by fingers The tool does not stop even after a throttle lever is released Dust contamination Seized main shaft bushing Damaged ball bearing Damaged vane Motor part seizure Motor part sei...

Page 40: ...0023 Japan TEL 81 6 6581 1721 FAX 81 6 6581 1725 Hiroshima Office 4 2 8 Nishikaniya Minami ku Hiroshima City Hiroshima 732 0804 Japan TEL 81 82 263 1473 FAX 81 82 262 3894 Kokura Office 2 12 36 105 M...

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