Summary of Contents for Michigan Pneumatic Tool 750SS Series
- Page 1 Industrial Air Tools 750SS Manual 3/4" Impact 751SS 1" Model also available 754SS #4 Spline Model also available 1-800-521-8104 www.michiganpneumatic.com •...
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Page 2: Table Of Contents
3 Options for Anvil: 3/4" Dual Retainer Anvil, 1" Dual Retainer Anvil, #4 Spline Anvil. The 750SS Series Impact offers the highest power to weight ratio in a 3/4" impact. Featuring Stainless Steel Hammer Case and Throttle Components for use in corrosive environments. The inevitable water and debris that is found in compressed air systems is no match for the stainless steel throttle parts and motor design. -
Page 3: Safety
Safety General Product Safety to prevent an unnecessary Information increase in noise, vibration, dust and fume hazards. • Failure to observe the following WARNING warnings and failure to avoid these potentially hazardous Product Safety situations could result in death or Information –... - Page 4 Safety internal shut-off to prevent performing any maintenance on hose whipping if a hose fails or this tool or any accessory. coupling disconnects. • Keep clear of whipping air • Whenever universal twist hoses. Shut off the compressed couplings (claw couplings) air before approaching a are used, lock pins should be whipping hose.
- Page 5 Safety requiring specific torque must be hoses that may contain electrical checked with a torque meter after wires, explosive gases or fitting with an impact wrench. harmful liquids. Workplace Hazards Projectile Hazards • Slips, trips and falls are major • Always wear eye protection causes of workplace injury.
- Page 6 Safety • Appropriate controls to reduce • To avoid accidental starting – the risk from noise hazards may ensure the tool is in the “off” include actions such as damping position before applying air materials to prevent work pieces pressure, avoid the throttle when from “ringing.”...
- Page 7 Safety drive ends are not excessively Prevent exposure and inhalation worn which may allow the socket of harmful dust and particles to come off during rotation. created by power tool use. • Use only impact sockets and • Some dust created by power accessories in good condition, as sanding, sawing, grinding, drilling poor condition or hand (chrome)
- Page 8 Safety Repetitive Motion • Never hold the rotating drive, Hazards drive extension, socket or other accessory, especially when wearing gloves. • Repetitive motions or uncomfortable positions may Vibration Hazards be harmful to your hands, arms, shoulders, neck or other parts •...
- Page 9 Safety standards. Use cleaning solvents in a well ventilated area. • Do not remove any labels. • Replace any damaged label. NOTICE: Refer to Product Information Manual for Model Specific Safety Information. Wear Eye Wear Hearing Wear Respiratory Read Manuals Protection Protection Protection...
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Page 10: Maintenance
Maintenance Air Supply 3. Always use a Filter, Regulator, Lubricator (see figure 10.1). 1. Always use clean, dry air at 90 psig (6.2 bar/620kPa) maximum air pressure. Higher than Valve 1/100 inclination 2. Be sure all hoses and fittings are the correct size and are Pressure Regulator Main... -
Page 11: 750Ss Specifications
Specification Sheet ichigan neuMatic Model MP-750SS 3/4" Impact Wrench Offers one of the industry’s highest power-to-weight ratios. Featuring a stainless steel hammer case and a twin hammer design for increased durability. Constructed with non-corrosive materials for prolonged field life. 100% Made in the USA. -
Page 12: 751Ss Specifications
Specification Sheet ichigan neuMatic Model MP-751SS 1" Impact Wrench Offers one of the industry’s highest power-to-weight ratios. Featuring a stainless steel hammer case and a twin hammer design for increased durability. Constructed with non-corrosive materials for prolonged field life. 100% Made in the USA. -
Page 13: 754Ss Specifications
Specification Sheet ichigan neuMatic Model MP-754SS #4 Spline Drive Impact Wrench Offers one of the industry’s highest power-to-weight ratios. Featuring a stainless steel hammer case and a forged hammer frame for increased durability. Constructed with non-corrosive materials for prolonged field life. 100% Made in the USA. -
Page 14: 750Ss, 751Ss, 754Ss Parts
MP-750SS 3/4" Pistol Impact MP-751SS 1" Pistol Impact MP-754SS #4 Spline Drive Impact 750SS 750SS-19 Backcap Motor Clamp Washer 750SS-21A 750SS-23 Locating Pin Rotor Vane (7) 750SS-20 750SS-22 Rear Rotor Rotor 750SS-21 Bearing Rear End Plate 750SS-25 Stainless Steel Cylinder Assembly 750SS-26 [750SS-24 Pin (2)] Front End Plate... - Page 15 S-13 750SS-14 750SS-12 p Gasket Backcap 750SS-17 Backcap Bolt (4) Reverse Lever Snap Ring 750SS-15 750SS-18 Grease Fitting Reverse Lever Spring 750SS-16 Reverse Lever 750SS-01 Motor Housing 750SS-30 * ** Hammer Frame Washer 750SS-31 Hammer Frame 750SS-28 Reverse Valve O-Ring 750SS-29 Reverse Valve 750SS-02...
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Page 16: Disassembly
Disassembly General Instructions Disassembly of the Impact Mechanism 1. When disassembling tool, inspect all parts for wear and/ or damage. 2. Use caution when holding the tool or any part of the tool in a vise. Always use brass (see figure 16.1) jaws to protect the surface of the part and prevent accidental damage. - Page 17 Disassembly 5. Remove the Hammer Case 5. Using the thin blade of a and impact mechanism from small flat screwdriver, gently pry the vise. Remove the Hammer the Reverse Lever Snap Ring Frame Washer (750SS-31) and (750SS-17) from the Reverse set aside.
- Page 18 Disassembly Disassembly of the Motor Assembly 1. Remove the four Back Cap Bolts and the Back Cap. Remove the Motor Clamp Washer (750SS-19) and set aside. 2. Lift the Motor Housing Assembly from the Impact Mechanism. Use care to hold the rear of the Motor so it does not Figure 18.1 fall out.
- Page 19 Disassembly Disassembly of the Motor Housing 1. Hold the Motor Housing in a vice using Copper Jaws. Clamp against the front and rear of the Housing (see figure 19.1). NOTICE: Never clamp on the sides of the Housing as damage is likely to occur.
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Page 20: Assembly
Assembly General Instructions Assembly of the Motor Housing 1. When holding a tool in a vice always use care and copper jaws 1. Install a new Throttle Valve to protect the integrity of the part Seat by pushing it firmly into the that you are holding. - Page 21 Assembly 2. While holding the Trigger 5. Install the Inlet Bushing into (750SS-03) in a neutral position the Motor Housing by screwing with one hand, hold the Throttle it in until snug. Tighten to Valve by the short end of the 55 ft-lbs of torque.
- Page 22 Assembly Reverse Bias Figure 22.2 Install the Locating Pin as shown Forward Bias Figure 22.1 7. Install the Locating Pin For Reverse Bias, install the Cylinder with (750SS-21A). (see figure 22.2) the three exhaust holes to the LEFT of the Cylinder Pin.
- Page 23 Assembly Reverse Valve Bushing. Be sure that the slots are vertical and that the through hole is at top center, or the 12 o’clock position. 3. Install the Reverse Lever thought the back of the Back Cap. Carefully slide the Reverse Notch Valve Spring over the shaft of the Reverse Lever.
- Page 24 Assembly 6. Slide the Hammer Frame sure that the Rotor and Hammer Washer over the spline of the Frame align correctly. Rotor being sure that the raised edge of the Hammer Frame 8. Install the four Back Cap Bolts Washer rests against the Front and snug them down.
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Page 25: Troubleshooting
Troubleshooting Trouble Possible Cause Solution Low Power Restriction in Air Strainer Remove Inlet Bushing, Air Stainer Screen, and Screen /Muffler Muffler. Clean with a suitable solvent in a well ventilated work space. Replace Inlet Bushing, Air Stainer Screen, and Muffler. Low Power Worn and/or broken Remove the Motor Assembly. -
Page 26: Limited Warranty
Limited Warranty MPT guarantees to the original damage due to accidents, fire, purchaser this tool to be free theft, or vandalism, damage of defects in material and due to improper connection workmanship for a period or modification of equipment, of one hundred eighty (180) product(s) which have been days after shipment. -
Page 27: Notes
Notes... - Page 28 Industrial Air Tools 6850 Middlebelt Rd. • P.O. Box 906 Romulus, MI 48174-7406 © 2017 Michigan Pneumatic Tool, Inc. ® 04112017Rev5 CEH | MF...
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