Great Plains 1200TT Rolling Harrow & Board Assembly Instructions User Manual

Great Plains Gardening equipment

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Assembly Instructions for the Rolling Harrow and Board

Turbo-Till

6/26/03

Your initial action is to locate the correct drag frame [(61) 589-107H through 589-116H]. Bolt

the drag frame to the rear drag plates located on the rear of your Great Plains Turbo Till, using 5/8x1 ½
hex bolts [(43) 802-051C] with 5/8” hex nuts [(25) 803-021C] and 5/8” lock washers [(26) 804-022C].
The rolling harrow gangs shown in figure 4 will come to you partially assembled. To finish assembly,
refer to the table in figure 4 and assemble accordingly. Start by locating the correct rolling harrow tube,
center it over your partial assembly on the bearing hangers [(52) 589-142H], and mount the tube using
5/8x3x4 ½ U-bolts [(44) 806-183C] with a lock washer and nut. Your next step is to locate the ball joint
assemblies [(59) 589-064H]. Figure 4 shows you the dimensions to mount the ball joint assemblies on
the rolling harrow tube. Count the number of each assembly in figures 1-3 and assemble accordingly.

Mount the rolling harrow brackets [(60) 589-057H] to the under side of the drag frames

according to the dimensions in figures 1-3, using a 5/8x3x4 ½ U-bolt [(44) 806-183C] with a lock
washer and nut. You may tighten the U-bolts on all the brackets that are closest to the rear of the
machine. Leave the front brackets loose to slide until the rolling harrow assemblies are hung under the
frame. Use the 1x4 hex bolt and 1” nylock nut through the harrow brackets (589-057H) and ball joint
assemblies [(59) 589-064H] to hang the rolling harrow assemblies under the frame. Be careful to put the
proper gang in the proper location and be sure that the assemblies are oriented correctly as shown in
figure 4. When all gangs are hung under the frame, tighten the remaining U-bolts

Mount the rear stand bracket [(71) 580-049H], if applicable, to the drag frame with 5/8x4x4 ¼

U-bolts, a lock washer and a nut as shown on figure 1. The rear stand leg [(70) 560-196H] should be
pinned in the rear stand bracket with a 3/4x4 ½ pin and retainer (805-081C).

Mount the reel arm assemblies (589-069L) to the drag frames, using the dimensions in figures 6-

10, using a 5/8x3x4 ½ U-bolt [(44) 806-183C] with a lock washer and nut. These bolts may be
tightened at this time. Mount the leveling board mounting tube (32) using a 5/8x2 1/2x3 ¾ U-bolt [(16)
UB0037] with a lock washer and nut, according to the dimensions and locations in figures 6-10. Be sure
to bolt on the correct mounting tube in the correct location. These bolts may be tightened at this time.
Use the 5/8X3 hex bolt with a lock washer and nut through the mounting tube and the leveling board
arm [(30) 589-073H] to hang the arms. Use ½x2 ½ carriage bolts [(43) 802-571C] with a ½” lock
washer and ½” nut [(41) 804-015C - (40) 803-020C] to mount the leveling board on the arms. The
leveling board part numbers will be marked on figures 6-10 to be sure the correct level board is mounted
in the correct location. Check the dimension in between the leveling boards on each section to be sure
there remains about 1” of gap in between them. If the boards are not about 1” apart, recheck the leveling
board mounting tube dimensions. There should be about 5” in-between the leveling boards between the
center section and each wing.

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