Install calibration handle stob, Assemble calibration crank, Replace jackshaft – Great Plains CALIBRATION CRANK Assembly Instructions User Manual
Page 5: Replace jackshaft (with weight brackets)

10/4/2005
152-302M
Great Plains Mfg., Inc.
5
Installation Instructions
Install Calibration Handle Stob
Refer to Figure 1
1.
Choose a location on frame of drill to weld the
calibration handle stob.
NOTE: Be sure to choose an out of the way location
as the calibration handle stob stores the calibration
crank when it is not in use.
2.
Grind paint at location on frame where calibration
handle stob is to be welded.
3.
Weld calibration handle stob on frame.
4.
Repaint portion of frame.
Assemble Calibration Crank
1.
Place vinyl hand grip over calibration crank han-
dle.
Replace Jackshaft
NOTE: If the 3P605NT is not equipped with weight
brackets, replace the jackshaft according to the steps
below.
If the 3P605NT is equipped with weight brackets, re-
place the jackshaft according to the steps listed un-
der Replace Jackshaft (with Weight Brackets).
Refer to Figure 2
1.
Unscrew acremeter from jackshaft.
2.
Detach chain from sprocket on far right end of up-
per jackshaft. Remove sprocket from jackshaft.
3.
Detach chain from sprock on far left end of upper
jackshaft. Remove sprocket from jackshaft by
pulling jackshaft from drive assembly.
4.
Replace upper jackshaft with new jackshaft pro-
vided in kit. Reattach all sprockets and chains to
assembly.
Replace Jackshaft (with Weight
Brackets)
Refer to Figure 3
1.
Unscrew acremeter from jackshaft.
2.
Detach chain from sprocket on far left end of up-
per jackshaft. Remove sprocket from jackshaft.
3.
Detach chain from sprocket on far right end of up-
per jackshaft. Remove sprocket from jackshaft by
pulling jackshaft from drive assembly.
4.
Replace upper jackshaft with new jackshaft pro-
vided in kit. Reattach all sprockets and chains to
assembly.
3P605NT 152-303A Assembly Instructions
23390
23391
23393
Figure 3
Calibration Crank Location with Weight Brackets
Figure 1
Calibration Crank on Storage Stob
Figure 2
Calibration Crank Location without Weight Brackets