Great Plains 1007NT Operator Manual - Manual (Page 79)

Great Plains Manufacturing, Inc. Appendix B - Initial Setup 75
10/06/2010 150-290M
Adjusting Either Hitch
If the proposed hitch adjustment does not involve the
hole used for the safety chain, skip step 27 and step 32.
Refer to Figure 66 (facing page)
26. Determine which tongue mounting holes and which
hitch orientation provide the necessary height.
27. If chain is presently using either new hole pair,
remove and save one each:
802-212C HHCS 3/4-10X2 1/2 GR5
890-182C SAFETY CHAIN 10000 LB
177-587D SAFETY CHAIN WASHER
804-023C WASHER LOCK SPRING 3/4 PLT
803-027C NUT HEX 3/4-10 PLT
Adjusting Clevis Ball Hitch
Refer to Figure 68 and Figure 69
28. If new position requires inverting hitch, remove:
802-205C HHCS 1-8X5 1/2 GR5
804-028C WASHER FLAT 1 USS PLT
803-038C NUT HEX 1-8 NYLON INSERT PLT
Insert bolt from other side of hitch and secure
with flat washer and lock nut . Bolt must
always be inserted from top in final position.
29. Remove:
802-070C HHCS 3/4-10X6 GR5
804-023C WASHER LOCK SPRING 3/4 PLT
803-027C NUT HEX 3/4-10 PLT
Adjust hitch to new position and re-secure with bolts
, lock washers and nuts .
30. If ball swivel mount bottom plate is present, make
sure it is under mount weldment , and the bolts
are inserted from top. See page 14 for details.
Adjusting Pintle Hitch
Refer to Figure 69
31. Remove two sets:
802-070C HHCS 3/4-10X6 GR5
804-023C WASHER LOCK SPRING 3/4 PLT
803-027C NUT HEX 3/4-10 PLT
Adjust pintle hitch to new position and re-secure
with bolts , lock washers and nuts .
Reinstall Chain
Refer to Figure 68
32. Secure the chain at the highest available mounting
hole. Insert the bolt from the outside of the hitch.
Add the chain , then add the chain washer ,
lock washer and nut .
Figure 68
Clevis Hitch and Chain Detail
28384
29
20
13
26
27
14
12
19
21
28
17
26
27
20
29
13
26
27
19
28
21
19
28 21
17
26
27
17 26 27
Figure 69
Pintle Hitch Detail
28471
27
26
17
1
14
12
17
26
27
1
17 26 27
20
29 13
26 27