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Summary of Contents for SKF Lincoln B Series
- Page 1 User and maintenance instructions , 6, 8 and 10 in Air motors with air brake Models 94904, 94906, 94908, 94910, series “B” Date of issue January 2018 Form number 404239 Version...
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Page 2: Table Of Contents
Contents Safety Explanation of signal words for safety Read and carefully observe operating instructions before unpacking and operating NOTE air motor Air motor must be operated, Emphasizes useful hints and recommenda- maintained and repaired exclusively by tions as well as information for efficient and trouble-free operation persons familiar with operating instructions Local safety regulations regarding... -
Page 3: Dimensions
Fig. 1 WARNING Do not exceed stated maximum working Dimensions pressure of air motor or lowest rated component in your system Do not alter or modify any part of equipment Do not operate equipment with combus- tible gas Do not attempt to repair or disassemble equipment while system is pressurized Tighten all fluid connections securely before using equipment... - Page 4 Service assemblies Fig. 4 Fig. 8 and kits Signal valve cap kit (31) Air pump repair kit (92) Fig. 2 Air brake subassembly 85317 Fig. 5 Fig. 9 Air signal valve (20) Bleed assembly (67) NOTE Air brake assembly does not fit 84803 3 in (76 mm) series III air motor Fig.
- Page 5 Fig. 11 NOTE Cylinder tube soft parts kit 84789 Power valve subassembly 244800, (10 in airmotor), 84791 (8 in airmotor), 84792 244804, 244806 and 244808 (6 in airmotor), or 84793 (4 in airmotor) NOTE When replacing soft parts, replace all parts included in soft parts kit Fig.
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Page 6: Before Connecting Air Motor To Air Line
Service and WARNING NOTE disassembly Do not alter or modify any part of equip- Ground air motor according to local codes ment Always check equipment for proper when flammable materials are pumped procedure operation before each use Verify safety devices are in place and operating properly Failure to comply may result in death or serious injury... -
Page 7: Air Brake Assembly
Air brake Labyrinth sub-assembly sub-assembly disassembly 1 Remove four screws (23) (two on each procedure end) and pull out air brake subassembly 2 Remove two screws (39) and lift out 1 Remove four screws (80) from face of valve body (17) 3 Remove four screws (32) with (two on labyrinth sub-assembly to remove each side of air brake) and remove signal... -
Page 8: Labyrinth Sub-Assembly Reassembly Procedure
Labyrinth Cylinder tube and NOTE sub-assembly muffler Align two holes on cylinder tube (6) with two holes on air brake subassembly before tight- re-assembly ening tie rods (25) so that proper seal with o-rings is achieved 1 Remove air brakes subassembly procedure (Air brake subassembly, page 7) 2 Remove two screws (30) and pull off... -
Page 9: Setting Air Brake Trip Speed
Setting air brake trip Air brake operation NOTE speed Speed settings are not precision speed con- trol settings for air motor All speed settings are approximate and are not intended for use in precisely controlling speed of pump/pump tube combination Precision control of pump NOTE Fig. -
Page 10: Increase In Air Pressure
Increase in air pressure Resetting air brake after Fig. 14 tripping May be caused by air supply system that is inadequate for application to rise as other 1 Turn off air supply to air motor plant equipment is shut down This causes 2 Press flush reset button (located on right more air available to operate pump with side of relay valve (17) with screwdriver or... -
Page 11: Exploded Views
Fig. IPB2 NOTE Do not cut or trim clear plastic laminate around labyrinth assembly The border of untrimmed plastic is necessary to maintain a good seal Torque (26) or (96) Model Torque to 94904 11 ft lbf (14 Nm) 94906 26 ft lbf (35 Nm) For model 94910, on page 7 94908... - Page 12 Fig. IPB3 Fig. IPB4 Labyrinth assembly (67) detail Optional tamper resistant cover Single hole on (76) should align with single hole on (75)
- Page 13 Fig. 17 Note holes at 9 and 6 o’clock positions Molded pin on pump sleeve Position to about 7 o’clock position as shown...
- Page 14 Fig. IPB6 Fig. IPB5 Fig. IPB5 Piston assembly model 94910 Piston assembly models 94906 and 94908 Piston assembly models 94904 Fig. 18 Model 94906 shown, others similar Assemble adapter to piston rod using Loctite 242 Blue on threads Torque to 60–65 ft lbf (81– 88 Nm) Model 94904 only...
- Page 15 Fig. IPB7 Air brake upgrade kit (93) For repairs or upgrades to old style air brakes, bolt-on kit (93) will replace all necessary components on old style air brake to new configuration, utilizing new speed adjustment dial and related components (Fig. 6) Optional tamper resistant selector knob cover kit (94) may be used to cover air brake selector knob to prevent un-authorized...
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Page 16: Service Parts List
Service parts list Model 94910 Model 94908 Model 94906 Model 94904 Item Description Quantity (10 in diameter) (8 in diameter) (6 in diameter) in diameter) U-cup (Buna-N) Rod bearing 247296 241732 241732 241733 Seal, cylinder (Buna-N) O-ring (Buna-N) Piston rod assembly 247449 241740 241741... - Page 17 Service parts list (continued) Model 94910 Model 94908 Model 94906 Model 94904 Item Description Quantity (10 in diameter) (8 in diameter) (6 in diameter) in diameter) Screw ( -20 x 2 244975 244975 244975 244975 Coupler 662012 655012 655012 655008 Screw, socket head cap (6-32 x 50816 50816...
- Page 18 Service parts list (continued) Model 94910 Model 94908 Model 94906 Model 94904 Item Description Quantity (10 in diameter) (8 in diameter) (6 in diameter) in diameter) 8-32 x in socket head cap screw 273385 273385 273385 273385 Gasket (nitrile/fiber) 273386 273386 273386 273386...
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Page 19: Troubleshooting
Troubleshooting Problem Possible cause Solution Air motor is not operating, air is coming Inadequate air supply to air motor Check air supply and adjust to minimum from exhaust recommended level Check air supply hose and piping for minimum recommended size Ensure FRL and quick disconnect couplings meet or exceed minimum specified sizes and do not restrict airflow to air motor... -
Page 20: Warranty
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