User manual MTD OEM-190-833

[. . . ] Assemble three 5/16" x 1" hex bolts and 5/16" nylock nuts to the holes shown figure 1. Assemble a shoulder bolt and a 3/8" hex lock nut to the upper hole in each frame bracket as shown in figure 1. 5/16" NYLOCK NUTS TOOLS REQUIRED FOR ASSEMBLY (2) (2) (2) (1) 7/16" Wrenches 1/2" Wrenches 9/16" Wrenches 3/4" Wrench or Adjustable Wrench REMOVING PARTS FROM CARTON Remove all parts and hardware packages from the carton. Lay out all parts and hardware and identify using the illustrations on pages 2 and 3. [. . . ] Underneath the channel place spacers on both sides of the angle lock bars and insert a 1/4" x 3-1/4" hex bolt through the sides of the channel, the spacers and the angle lock bars. Secure the bolt with a 1/4" hex lock nut, tightening so that the angle lock bars still pivot freely. Insert the 3/8" x 3-1/2" hex bolt through the angle lock spring. See figure 6. 3/8" HEX NUT PIVOT PLATE CHANNEL 1/4" HEX LOCK NUT BRACKET (A) BLADE ADJUST SPRING ANGLE LOCK SPRING 3/8" x 3-1/2" HEX BOLT 1" SPACERS (2) 1/4" x 3-1/4" HEX BOLT Figure 6 Figure 4 5 16. To attach the channel assembly to the blade, align the pivot plate between the welded brackets on the back of the blade. Insert the pivot shaft through the holes in the pivot plate and the welded brackets. Insert the bolt through the hole at the top of the blade and assemble the 3/8" flat washer and the knob onto the bolt. To adjust the tension see the Adjustments section. 1/8" HAIR COTTER PIN BLADE ADJUST SPRING PLASTIC CAP KNOB PIVOT SHAFT 3/8" FLAT WASHER 3/8" x 3-1/2" HEX BOLT 3/8" HEX NUT SPRING MOUNT ROD PIVOT PLATE BLADE 19. hitch brackets to the angle support brackets using four 3/8" x 1" hex bolts and 3/8" flanged nuts. See figure 9. 3/8" FLANGED NUT 3/8" x 1" HEX BOLT Figure 9 HAIRPIN CLIP Figure 7 20. Attach the channel assembly to the tractor by placing the end of the channel inside the pivot support bracket. Assemble the 1/2" flat washer onto the channel pivot pin and insert the pin through the holes in the pivot support bracket and the channel. Assemble the angle support brackets to the pivot support bracket using four 3/8" x 1" hex bolts and 3/8" flanged nuts. 3/32" HAIR COTTER PIN CHANNEL ASSEMBLY 3/8" FLANGED NUT 3/8" x 1" HEX BOLT CHANNEL PIVOT PIN WASHER Figure 10 Figure 8 6 21. Insert the end of the lower lift handle assembly through the notch in the pivot support bracket and through the holes in the channel. [. . . ] To increase the spring tension loosen the knob, screw the nut farther down onto the bolt and then retighten the knob. To decrease the spring tension loosen the knob, screw the nut farther out toward the end of the bolt and then retighten the knob. Refer to figure 8 on page 6. To Adjust Skid Shoes The skid shoes at the ends of blade may be raised for close work on smooth surfaces or lowered to raise the blade to work on rough or uneven areas. [. . . ]