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Summary of Contents for Lincoln SKF 84803
- Page 1 Service and assembly/disassembly instructions 3-, 4 -, 6-, 8- and 10-in air motors Models 84803, 84804, 84806, 84808, 86810 Date of issue October 2023 Form number 404192 Version...
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Page 2: Table Of Contents
Contents Declaration of Incorporation U.K. Declaration of Incorporation Safety Explanation of signal words for safety Dimensions Specifications Service assemblies and kits Before connecting air motor to air line Operating precautions Attach air motor to pump tube Service and disassembly procedure Power valve Pilot bar subassembly Cylinder tube and muffler... -
Page 3: Declaration Of Incorporation
– Grade 2 and 3 of accuracy with the provisions of the directive, where appropriate. I, the undersigned of Lincoln Industrial Corporation, do hereby declare that the equipment specified above, in its intended use, conforms to the requirements of the above EC Directive(s) ___________________________________... -
Page 4: U.k. Declaration Of Incorporation
I, the undersigned of Lincoln Industrial Corporation, hereby declare that the equipment specified above, in its intended use, conforms with the Essential Health and Safety Requirements of U K legislation Supply of Machinery (Safety) Regulations 2008 No 1597 Annex I, Declaration of... -
Page 5: Safety
Safety Explanation of signal NOTE Do not operate equipment without words for safety Read and carefully observe these installation wearing personal protective gear instructions before installing/operating/trou- Wear eye protection Protective bleshooting the assembly The assembly equipment such as dust mask, nonskid must be installed, maintained and repaired safety shoes, hard hat, or hearing pro- NOTE... -
Page 6: Dimensions
Fig. 1 Dimensions 4 in (102 mm) (600 mm) (395 mm) 4 in (102 mm) Air inlet Exhaust Table 1 Specifications Model Cylinder Effective piston Operating Operating Minimum I D Air inlet Air consumed diameter area pressure range temperature range of air supply NPTF per cycle at... -
Page 7: Service Assemblies And Kits
Service assemblies Fig. 4 Fig. 6 and kits Air signal valve (32) Power valve subassembly To reduce downtime and take advantage of modular design of air motor, the following service assemblies are recommended for repair of air motor After removal, faulty assembly can be repaired using corresponding soft parts kit Fig. -
Page 8: Before Connecting Air Motor To Air Line
Do not operate air motor in excess of recommended pressure range Lincoln series III air motors are fully Disconnect air line and relieve (vent) pneumatic and require a minimum specified pressure when air motor sits idle for long... -
Page 9: Service And Disassembly Procedure
Power valve Service and WARNING Do not attempt to repair or disassemble disassembly 1 Remove four screws (11 and 19), equipment while system is pressurized procedure two on each side († Fig. 9) Failure to comply could result in 2 Remove end caps (12 and 18) serious personal injury and/or damage Disconnect air line and relieve (vent) -
Page 10: Pilot Bar Subassembly
Pilot bar subassembly 1 Remove four screws (31), two on upper bracket (30) and two on lower bracket (33) († Fig. 10) 2 Pull out pilot bar subassembly (35) and remove o-rings (29, 34, 36 and 39) 3 Remove two screws (37) and lift off relay valve (26) 4 Remove o-rings (27 and 29) from upper bracket (30) -
Page 11: Cylinder Tube And Muffler
Cylinder tube and muffler Fig. 11 1 Remove two screws (21) and pull off muffler (22) († Fig. 11) 2 Remove gasket (20) 3 Remove two screws (24) to release end element (23) from muffler plate (25) 4 Remove muffler element (38) 5 Unscrew four nuts (9) with open end wrench and remove tie bolts (8) 6 Remove four tie rods (4) -
Page 12: Service And Assembly Procedure
Service and assembly Fig. 12 procedure Cylinder tube and muffler 1 Insert four connecting rods (48) into lower casting (44) († Fig. 12) 2 Tighten four nuts (47) on connecting rods (48) with open end wrench 3 Place U-cup (49) on bottom of lower casting (44) 4 Insert adapter (45) 5 Position cylinder seal (43) and rod... -
Page 13: Pilot Bar Subassembly
Pilot bar subassembly 6 Position o-rings (29, 34, 36 and 39) with appropriate slots and slide two 1 Insert o-rings (27 and 29) and screws (31) through lower bracket (33) two air signal valves (32) to top of and two screws (31) through pilot bar subassembly (35) (†... -
Page 14: Power Valve
Power valve 1 Place gasket (10) on top of upper casting (7) († Fig. 14) 2 Align valve body (17) with gasket (10) and secure to upper casting (7) with four screws (16) 3 Insert valve spool (14) to valve body (17) 4 Place o-rings (15) into slot on each end of valve body (17) 5 Insert spool bumbers (13), one on... -
Page 15: Troubleshooting
Troubleshooting Problem Possible cause Solution Air motor is not working and air is Restricted or inadequate air supply Check air supply and adjust to minimum coming from exhaust recommended level Check air supply hose diameter and change to minimum recommended size (see specifications) Check size of FRL and Quick disconnect coupling Replace if small size or restricted... -
Page 16: Illustrated Parts Breakdown
Fig. IPB 1 1) 2) 1) 2) Table 2 Model Item number Torque to lbf-ft 84803 84804 84806 84808 86810 4 and 9 Used on model 86810 only Torque (4, 8 and 9) as shown in Table 2 Torque to 10 to 12 lbf-ft (14 to 16 Nm) Torque to 50 lbf-in (6 Nm) After 24 hours, torque to 50 lbf-in (6 Nm) Align two holes on cylinder tube (50) with two holes on pilot bar (35) before tightening tie rods (4) so proper seal with o-rings is achieved... -
Page 17: Parts List
Parts list Model 86810 Model 84808 Model 84806 Model 84804 Model 84803 Item Description Quantity 10 in (254 mm) 8 in (203 mm) 6 in (152 mm) in (107 mm) 3 in (76 mm) Piston rod assembly 247449 241740 241741 241742 241743 O-ring piston, nitrile... - Page 18 Fig. IPB 2 Models 84803 and 84804 Assemble adapter to piston rod using thread locker on threads Torque 60 to 65 lbf-ft (81 to 88 Nm)
- Page 19 Fig. IPB 3 Models 84806, 84808 and 86810...
- Page 20 Fig. IPB 4 Fig. IPB 5 Piston assembly for model 86810 Torque 115 to 125 lbf-ft (156 to 170 Nm) Torque 10 to 12 lbf-ft (14 to 16 Nm)
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Page 21: Warranty
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