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Sumake ST-C540 Operation Instructions Manual

1/2" heavy duty impact wrench
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SUMAKE
1/2" Heavy Duty Impact Wrench
(Twin Hammer) Composite Housing
Specification:
Free Speed
Std. Bolt Size
Max. Torque
Air Consumption
Overall Length
Air Inlet (PT)
Air Hose (I.D.)
Air Pressure
Net Weight
SUMAKE INDUSTRIAL CO., LTD.
4F, No. 351, Yangguang St., Neihu District, Taipei City, Taiwan
PNEUMATIC TOOLS
ST-C540
7,500 r/min
3/4" (M19)
950 ft-lb (1287 Nm)
17 CFM (480 L/min)
7-11/16" (195 mm)
1/4" (6.35 mm)
3/8" (10 mm)
90 psi (6.3 bar)
4.4 lbs (2.0 kg)
Noise and Vibration:
Vibration
EN ISO 28927-2
Sound Pressure Level
no load: 92.36 dB(A)
load: 95.74 dB(A)
2
8.92 m/s
Sound power level
no load: 103.36 dB(A)
load: 106.74 dB(A)
Uncertainty
2
K= 1.5 m/s
Noise
Remark
EN ISO 15744
Please always
wear ear
protector at
environment
noise level > 80
dB(A) due to
risk of impaired
Uncertainty
hearing!
K= 3dB
ST-C540-S-2004J-HY

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Summary of Contents for Sumake ST-C540

  • Page 1 Air Pressure 90 psi (6.3 bar) Uncertainty Uncertainty hearing! K= 1.5 m/s K= 3dB Net Weight 4.4 lbs (2.0 kg) SUMAKE INDUSTRIAL CO., LTD. ST-C540-S-2004J-HY 4F, No. 351, Yangguang St., Neihu District, Taipei City, Taiwan...

  • Page 2: Ec Declaration Of Conformity

    DECLARATION OF CONFORMITY SUMAKE INDUSTRIAL CO., LTD. 4F, No. 351, Yangguang St., Neihu District, Taipei City, Taiwan declare in sole responsibility that the equipment Equipment：1/2" HEAVY DUTY IMPACT WRENCH Model/ Serial No.：ST-C540 to which this declaration applies, complies with these normative documents: ...

  • Page 3: Operation Method

    Trigger set has other objects stuck on it or the Disassemble and repair does not bounce back correctly spring is broken, deformed or rusty Motor keeps running Trigger function normally Trigger O-ring worn out or valve set damaged Disassemble, repair and replace parts or broken ST-C540-I-2004F-HY...

  • Page 4: Parts List

    ST-C540 , ST-C540-2 1/2" HEAVY DUTY IMPACT WRENCH (W/2" ANVIL) (TWIN HAMMER) PARTS LIST Parts No. Description Q'ty Parts No. Description Q'ty Housing Sub Assembly [Incl. C540-28 Rotor C540-01B Bushing] C540-29 Rotor Blade Screw Sub Assembly [Incl. C540-30 Front Plate...

  • Page 5: Impact Wrench

    IMPACT WRENCH Original instructions SUMAKE Industrial Co. Ltd.
  • Page 6 The tool has been manufactured in conformity with the instruction of EU machine directive. The EU mark will be considered void in the event of inexpert repairs, the use of non-original parts and in case of non-observance of the safety instructions in the user’s manual. Possible direct or indirect consequential damages are not the responsibility of SUMAKE Industrial co., Ltd. General safety rules: Watch the tool at all times when in use.
  • Page 7 3. If the operator experiences symptoms such as persistent or recurring discomfort, pain, throbbing, aching, tingling, numbness, burning sensations or stiffness, these warning signs should not be ignored. The operator should tell the employer and consult a qualified health professional. Safety precautions for accessory hazards 1.

  • Page 8: Risk Of Injury

    General preparation and connection: When using brand-new air hose or air pipe. Blow and clean the inside of air hose or pipe before installation. Keep inside of air hose or air pipe clean to prevent airdrop problem caused by the lots of drain and dust accumulated and possibly make the inside diameter smaller in the long use.

This manual is also suitable for:

St-c540-2

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