Landoll 9630 Field Cultivator - Manual (Page 123)

OPERATION AND MAINTENANCE
4-13
5 Row Spike Harrows
1. The 5 row spike harrow optional attachment consists
of 5 rows of 3/4” x 14” long spike teeth, spaced on 9”
centers. The spike teeth effectively work on 1.8”
centers. Rank spacing for the angle iron bars is 14”.
Angle iron bars are able to float over contours and
have backup protection. Spike tooth angle has a two
position adjustment to either stand the teeth up for
more aggressive action, or to lay the tooth down for
lower aggressiveness and better residue clearance.
The 5 row spike harrow performs best in clean
ground with minimal residue, to level and break up
clods.

WARNING
2. For the most aggressive spike to action, install the
harrow adjustment pin in the mounting hole over
each bar clamp for each spike bar (See
Figure 4-12.) This will position the spike teeth to be
in the most vertical position. In wetter or conditions
with some residue, lower the spike tooth angle by
positioning the harrow adjustment pin in the storage
locations away from the bar clamps. This will allow
the teeth to lay flatter and shed more residue.
3. The forward pull chain will also influence how the 5
row spike operates as well. A taller pull point and
shorter adjusted pull chain can help to start residue
through the harrow. A lower pull point with a longer
adjusted pull chain will help the entire harrow to run
flatter from front-to-rear, and be more aggressive.
When adjusting the pull chain, insert the desired
pulling link through the slotted hole in the pull chain
bracket, and install a lynch pin thru the link to secure
the chain in place. Make sure the pull chains are set
evenly for each section. Also do not let the pull chain
out so far that the vertical carrying chains are pulling
the harrow through the field.
Know and verify actual implement height and
width before transporting. Attachments may
increase the overall height and width of the
implement. Use caution when transporting near
power lines. Electrocution can occur without
direct contact.