70 Center Pivot 7000, 8000, 8120 Series
MAINTENANCE
Miscellaneous
Flex Hose Replacement
If a flex hose must be replaced, loosen the two clamps
to remove the old flex hose and insert the new one.
No extra support is needed while making the changes.
See Figure 70-1.
When installing or tightening the hose clamps always
place the bolts and fasteners on the opposite side of
the control rod. Under certain terrain conditions the
bolts could interfere with the machine’s alignment if
positioned on the same side as the control rod. See
Figure 70-1.
Bonding Ground Wire
Bonding ground wire
MUST
be installed for proper
ground between individual spans and the pivot. See
Figure 70-1.
Electrical and Grounding Conductors
Check the condition of all electrical and grounding
conductors regularly. See Figure 70-2.
Have your local Valley dealer repair or replace
broken conduit and electrical wire that has worn or
cracked insulation.
Always be sure the ground wire is securely attached
to both the ground rod and the ground lug on the
pivot.
Pivot Swivel Lubrication
The pivot swivel should be greased every 5 to 7 revo-
lutions with water resistant lithium based grease. See
Figure 70-3.
Greasing the pivot swivel regularly reduces the pos-
sibility of binding that can cause the pivot to move er-
ratically. When a resolver is used for position sensing
the erratic movement can cause incorrect position
readings.
The grease fittings are located on the side of pivot
near the pivot swivel. See Figure 70-3.
1
2
3
Figure 70-1 1. Flex Hose
2. Hose Clamp
3. Bonding Ground Wire
1
2
3
4
5
Figure 70-2 1. Ground Rod Installation
2. Service Conductor
3. Copper Ground Rod
4. Copper Ground Wire
5. Clamp
Copyright © 2005 Valmont Industries, Inc.
8P080128
05-02
Assembly / Part
Functional Area
1
Quality checked for better irrigation
Overall Assembled View
8" Pivot
Standard Profile
ENG13/ORIG/02-97
NOTE: Without Pivot Panel
NOTE: If ordered for system prior to 6000, an 8" to 6-5/8" Adaptor is required ...1702299
COMPLETE 8" Pivot Package (Shipped w/Ground Rod & Collector Ring) ............0000B35
1 2
1
2
1
Figure 70-3 1. Grease Fitting
Содержание Center Pivot 7000 Series
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