General Description Safety Instructions The Lincoln Industrial rotary A/C electric pump uses a 50 Hz, 3 Phase 380-420 VAC dual voltage motor and a single stage planetary gear drive. Grease output is proportional to the pump RPM. The pump is primarily designed for centralized lubrication systems such This equipment generates very high grease pressure.
• All pump models are designed to pump and dispense Typical installation is shown only as a guide for selecting and lubricants using 50 Hz, 3 phase, 380-420 VAC installing system components. Contact your Lincoln electric power. Industrial representative for assistance in designing a • The maximum specification ratings should not be...
FlowMaster Rotary Driven Electric Pump ® Illustration 2 • Follow local eletric code when choosing and sizing motor starter. • Follow local eletric codes when wiring motor. • Wiring must be done by a qualified electricion. ELECTRIC FLOWMASTER PUMP AC motor requires an auxillary mount. Do not operate the pump without properly mounting the motor to the drum cover.
FlowMaster Rotary Driven Electric Pump ® MODEL DIM "A" in (mm) DIM "B" in (mm) 85850 27.5 (699) 35.1 (892) 85851 34.0 (864) 41.6 (1057) Illustration #5 Form 404059 Page Number - 5...
FlowMaster Rotary Driven Electric Pump ® Troubleshooting Condition Possible Cause Corrective Action Pump does not run. Pump is seized or damaged. Dismantle the pump and repair defective or seized component. See disassembly and assembly procedure. Pump speeds up or runs erratically. Low level of grease or reservoir Refill reservoir.
Relieve pressure from the pump and supply lines before servic- ing or repairing the pump, to reduce the risk of an injury from injection, splashing fluid or moving parts. Always use Lincoln Industrial parts for service and repair. Form 404059 Page Number - 7...
Page 8
FlowMaster Rotary Driven Electric Pump ® 1. Using a shortened 5/16” Allen wrench, remove the four 4. Remove O-ring seal from gearbox (Item 44). (Reassembly gearbox assembly mounting screws (item 46). (Reassembly: recommendations: replace O-ring.) Torque to 20-25 Ft. Lbs. (27.1 - 33.9 Nm).) 5.
Page 10
FlowMaster Rotary Driven Electric Pump ® 16. Remove clip. 20. Pump shaft will drop inside the support pipe when it clears the pump assembly. 21. Loosen outlet pin nuts (Item 32). (Reassembly torque: 30-35 Ft. Lbs. (40.7 - 47.5 Nm).) 17.
Page 11
FlowMaster Rotary Driven Electric Pump ® 24. Remove shovel plug (Item 58) and spacer (Item 56b) from housing tube. 23. Remove spiral retaining ring (item 59) from housing tube. Form 404059 Page Number - 11...
Page 12
FlowMaster Rotary Driven Electric Pump ® 27. Remove housing tube (Item 56a). (Reassembly Torque: 20 to 25 Ft. Lbs.(27.1 - 33.9 Nm).) 28. Exploded view of housing tube (Item 56a), spacer (Item 56) and Shovel Plug (Item 58). 25. Push pump element (items 1 through 27) out of housing tube with nylon rod included in tool kit (276275) and hammer.
Page 13
FlowMaster Rotary Driven Electric Pump ® 35. Remove crankkrod and eccentric assembly (Items 1-7). 31. Remove wrist pin bushing screws (Item 11). (Reassembly torque: 100-110 in. lbs. (11.3 - 12.4 Nm).) Reassembly recom- mendations: use Loctite 242 or equivalent on screw threads.) 36.
Page 14
FlowMaster Rotary Driven Electric Pump ® 39. Loosen plunger tube (Item 10). (Reassembly torque: 100-110 in. lbs. (11.3 - 12.4 Nm).) 43. Pull cup seal (Item 15) out of wrist pin anchor (Item 13a). 44. Remove cup seal (Item 15) and backup washer (Item 14). (Reassembly recommendations: replace cup and seal and backup washer.
Page 16
FlowMaster Rotary Driven Electric Pump ® 54. Loosen check seal housing (Item 27) with 3/8 Allen wrench. (Reassembly torque: 20-25 ft. lbs.(27.1 - 33.9 Nm).) 55. Check seat housing assembly (Item 27) and associated parts removed. (Reassembly recommendations: replace O-ring seal (Item 26).
Page 17
FlowMaster Rotary Driven Electric Pump ® 58. To remove lower plunger, use special tool provided in kit 276275. 61. Push out check ball (Item 18) and check spring (Item 17). 59. With the tool in place, insert the pin from tool kit (276275) through the tool and into the plunger outlet hole.
Page 18
FlowMaster Rotary Driven Electric Pump ® 67. Place assembly on 2-1/2” dia. steel pipe included in tool kit (276275). 65. With both flat head screws removed, remove counterbal- ance weights (Item 2). 68. Drive crank eccentric (Item 6) out of ball bearing (Item 7). 69.
Page 19
FlowMaster Rotary Driven Electric Pump ® 71. Remove O-ring seal (Item 34) and backup washer (Item 35) from outlet nut (Item 32). Note the position of the backup- washer in photo. 72. Reassembly recommendations: To install the O-ring (Item 34) and backup washer (Item 35) most easily, install the backup washer first.
Page 20
FlowMaster Rotary Driven Electric Pump ® Page Number - 20 Form 404059...
FlowMaster Rotary Driven Electric Pump ® Repair Parts List (Common to all Models) Item No. Qty Description All Models Item No. Qty Description All Models 2 Flat Head Screw 270635 2 Outlet, Pin-Nut 270619 2 Counter Weight 272197 2 O-Ring 2 Retaining Ring 270609 2 O-Ring...
Page 24
FlowMaster Rotary Driven Electric Pump ® Repair Kit Selection Chart Converting Series A to Series B Pumps • Series A Service page needed for teardown • Series B Service page needed for re-assembly Item # Kit # 1 to 8, 32, 36 to 52, 58 to 67 No kit –...
Need help?
Do you have a question about the FlowMaster 85850 and is the answer not in the manual?
Questions and answers