16
45’
Rotary Harrow
SEPT 2008
STEP 18
Rear Tail Installation
Now connect the tail to the rear beam (#16 Section 2.2). A
1”
x 4
1/2”
G8 bolt, unitorque nut,
a long grooved bushing and two plastic thrust washers are used for each connection. This
connection forms the hinge that allows the tail to float up and down. The
1”
bolts can be tight-
ened as the bushing acts as a spacer between the lugs. Torque to 350 ft lbs.
Tail Hinge Connection Detail
Attach the tail top bridge (#7) to the tail sec-
tion (#1) using 4 (four)
5/8”
x 4
11/16”
x 5
1/4”
long U
-
bolts, 8 (eight) nuts and lock-
washers. Torque to 60 ft lbs. The tail top
bridge is located on the rearmost of the two
lateral spreader beams on the front tail sec-
tion. Locate it on the center of this beam.
Keep the top bridge square to the tail. The
top lugs should point towards the rear beam.
Tail Top Bridge Connection
STEP 19
2 @ 5/8 X 4 11/16 X 5 1/2 UNC U
-
BOLT
4 @ 5/8 LOCKWASHER
4 @ 5/8 HEX NUT
1 @ 1 X 4 1/2 UNC CAPSCREW G8
2 @ PLASTIC THRUST WASHER (1 1/2 ID X 1 1/2 OD)
1 @ LONG GROOVED BUSHING (1 25/32 LG)
1 @ 1 TOPLOCK LOCKNUT G8
Summary of Contents for 61 Series
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