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Ambient Temperature -30 - 15°F 16 - 50°F 51 - 95°F 51 - 95°F 96 - 131°F 96 - 131°F Final Stage Worm Speed1 up to 2000 FPM up to 2000 FPM up to 450 FPM above 450 FPM up to 450 FPM above 450 FPM ISO Viscosity Grade 220 460 680 460 680 460 AGMA Lubricant No. 5S #7 Compounded #8 Compounded #7 Compounded 8S 7S Mobil SHC 630 600W Super Extra Hecla Super 600W Super SHC 636 SHC 634 Cylinder Cylinder American Lubricants SHC-90W AGMA #7 Gear Oil AGMA #8 Gear Oil AGMA #7 Gear Oil N/A N/A Castrol Tribol 800/220 Tribol 1105-7C Tribol 1105-8C Tribol 1105-7C Tribol 800/680 Tribol 800/460 Chevron Tegra 220 Cylinder Oil W460 Cylinder Oil W680 Cylinder Oil W460 Tegra 680 Tegra 460 Conoco Syncon R & O Inca Oil 460 Inca Oil 680 Inca Oil 460 N/A Syncon R & O 220 460 Exxon (Esso) Teresstic SHP220 Spartan EP 460 Spartan EP 680 Spartan EP 460 Teresstic SHP 680 Teresstic SHP 460 Fiske Brothers SPO-MG SPO-277 SPO-288 SPO-277 N/A N/A Shell Omala RL 220 Valvata J 460 Valvata J 680 Valvata J 460 Omala RL 680 Omala RL 460 Texaco Pinnacle 220 Vanguard 460 Vanguard 680 Vanguard 460 Pinnacle 680 Pinnacle 460 (1) The sliding velocity in feet per minute (FPM) for standard ratios is determined by multiplying the speed of the worm in RPM by the factor from the table below. For selecting proper lubricant, use the speed of the worm in the final stage (input RPM divided by the first stage ratio). AJ-44T Series Technical Manual 7610-003-07-21 Issued: 03-21-2006 Revised: N/A 38 SECTION 3: PREVENTATIVE MAINTENANCE DRIVE MOTOR GEAR REDUCER PREVENTATIVE MAINTENANCE Note: The maintenance procedures detailed here are manufacturer’s instructions for the WINSMITH brand of gear reducer that is installed on the rack conveyors covered in this manual. Lubrication & Maintenance: Factory filling - WINSMITH speed reducers are oil filled at the factory to the proper level for the standard mounting position that you will find it in on the unit. The oil level should be checked and adjusted (if necessary) prior to operation, using the oil level plug provided and while the unit is oriented in its operating position. Ambient temperature - If the operating ambient temperature is other than 51 - 95°F, then refer to the lubrication chart and refill the unit with the correct grade based on actual ambient temperature and operating speed. See “Oil changing” below for additional information. Oil changing - When changing the oil for any reason, it should be remembered that oils of various types may not be compatible. Therefore, when changing to a different oil, it is recommended that the housing be completely drained and thoroughly flushed with a light flushing oil prior to refilling with the appropriate lubricant. The oil level should be rechecked after a short period of operation and adjusted, if necessary. When changing double reduction models, each housing should be drained and filled independently, even though there may be a common level. Initial oil change: The new oil in a speed reducer should be changed at the end of 250 hours of operation. This is equivalent to 30 days of operation for 8 hours per day; 15 days of operation for 16 hours per day, or 10 days of operation for 24 hours per day. Subsequent oil changes: Under normal conditions, after the initial oil change, the oil should be changed after every 2500 hours of operation, or every 6 months, whichever occurs first. Under severe conditions (rapid temperature changes, moist, dirty or corrosive environment) it may be necessary to change oil at intervals of one to three months. Periodic examination of oil samples taken from the unit will help establish the appropriate interval. Synthetic oils: Synthetic lubricants can be advantageous over mineral oils in that they generally are more stable, have a much longer life, and operate over a wider temperature range. These oils are appropriate for any application but are especially useful when units are subjected to low start-up temperatures or high operating temperatures. However, continuous operation above 225°F may cause damage to seals or other components. It is recommended that the initial oil be changed or filtered after the first 1500 hours of operation to remove metal particles that accumulate during break-in. Subsequent oil changes should be made after 5000 hours operation if units are operating in a clean environment. This can be extended to 10,000 hours if using new reformulated Mobil SHC lubricants (orange in color) and the lubricant remains free of contamination over this period. See comments under “Subsequent oil changes” for discussion of severe ambient conditions. Long term storage or infrequent operation: If a speed reducer is to stand idle for an extended period of time, either prior to installation or during use, it is recommended that the unit be filled completely with oil to protect interior parts from rust and corrosion due to internal condensation. Be sure to drain the oil to the proper level before placing the speed reducer in service. Grease fitting...

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