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See Figure 5. Caution! Once the knob is latched, do not move the thumb release until you have completed step 8! Wire Clip Wire Shutoff Plate Figure 6 6. Slide the wire retaining clip onto the wire. Insert the control wire through the hole in the shutoff plate, then slide the clip over the shutoff plate until the clip locks into place. See Figure 6. Handle Grips OFF ON Screen Screen Clips Figure 7 7. Install handle grips onto the handle. It is not necessary to use lubricants to do so. Insert screen into hopper by sliding it under the screen clips. See Figure 7. The 75RS spreader should now be completely assembled and ready for use. Operation OFF ON Figure 8 1. Place the spreader on a driveway or sidewalk – not on the lawn. Make sure the spreader is off by pushing the control knob in. See Figure 8. 2. Determine the recommended application and spreader settings of the material to be applied (check the product container). Figure 9 3. Rotate the rate cam to the proper setting. See Figure 9. 4. Fill the hopper with the product to be spread. IMPORTANT! Always begin moving the spreader before you open the control by pushing the thumb release to the ON position, and push the control knob in to CLOSE before stopping. CAUTION! During operation, always push the spreader; never pull! 5. Hold the handle so the top of the hopper is level. Start the spreader moving, then push the thumb release to the ON position and begin applying the material. Avoid tipping the spreader; doing so can cause an uneven application. IMPORTANT! The settings and swath widths are recommended starting points. Always check the delivery rate and pattern on a small area before treating a large area. Actual delivery rate can vary due to weather conditions, walking speeds, and the condition of the product being applied. See pages 6-7 for details. Fasteners The Fastener Bag contains these fasteners. Most are all common parts; replacements are available at local hardware outlets. 1/4-20 x 2 1/4 Hex Bolt (6 Req.) 1/4" Flat Washer (4 Req.) 1/4"-20 Nut (8 Req.) Wire Attachment Clip (1 Req.) 1/4-20 x 1 1/2" Hex Bolt 5/32 x 2" Cotter Pin 1/8 x 1" Cotter Pin (2 Req.) (1 Req.) (1 Req.) Maintenance ¦ Never store unused material in the spreader. Return unused material to its original container. ¦ Wash the spreader thoroughly after each use. See Figure 12. Remove the gear cover and wash the gears thoroughly. Then dry completely in the sun or a heated area. ¦ Lubrication a. Lubricate the face of the gear teeth with dry graphite. Reinstall the gear cover. b. Lightly oil the axle bearings in the frame. See Figure 13. c. Apply oil to the impeller shaft bearing in the hopper, pivot points on the shut-off plate, and the spring in the housing behind the control plate. See Figure 13. ¦ Gear mesh should be checked regularly, especially during high- use periods. The clearance between the axle gear and the pinion gear should be very close, but not tight. If adjustment is required: a. Loosen the axle collar set screw and hold the gears together. b. Hold the axle gear lightly against the gear support and tighten the axle collar set screw. c. Spin the drive wheel to make sure the gears run freely and smoothly. See Figure 14. ¦ Periodically clean the surface of the impeller to remove buildup of material. A buildup could cause the spread pattern to change. ¦ Maintain tire pressure at 20–25 psi. 75RS75RSTM Figure 12 Oil Control knob and wire, shut-off plate, and control plate spring Oil Oil bearing in the hopper Figure 13 Axle Collar Oil Dry Graphite Figure 14 Operation Effective swath width approximately 10-12 feet on center. Overlap Figure 10 6. Where appropriate, apply header strips around the area to be treated, then push the spreader at a walking speed about 2 1/2 mph (18 feet in five seconds). To decrease the spread width in confined areas, reduce walking speed. Space your trips across the area as shown in Figure 10. 7. When transporting the spreader, make sure the control knob is pushed in and locked. 8. Empty the spreader after each use, and return leftover material to its original container. Spreader Settings When determining correct spreader settings, consider: ¦ Effective Pattern Width: The actual width in which the material is applied. Label instructions and settings are useful guides, but only an actual test can provide a reliable and accurate pattern width. ¦ Application Rate: The amount of material applied per 1000 square feet (before you can determine application rate, you must know the effective pattern width). Effective Pattern Width You can make a simple visual pattern test by operating the spreader over a non-turf area and evaluating the pattern. A more accurate method is to place a row of disposable aluminum cake pans about 1 foot apart on centers as shown in Figure 11. Set the rate control at the middle setting (see Operation, Step 3, Figure 11,) and make three or four passes in the same direction. See Figure 11. Pour the material collected in each cake pan ...

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