GREAT PLAINS Terra Max HT1100-20 Field Adjustment Manual - Page 2
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Also for GREAT PLAINS Terra Max HT1100-20: Assembly Manual (8 pages)
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Tire Inflation Chart:
Ensure all tires are inflated to the proper operating
pressure per the table to the right.
tion in important to ensure safe transport and level
operation of the Terra Max.
Hydraulic Hose Hookup:
Great Plains hydraulic hoses have colored coded han-
dle grips to help hook up hoses to the tractor remotes.
Hoses with the same color use the same remote.
Front to Rear Leveling:
1) Completely unfold the machine will observing the
unit for any hydraulic leaks or loose fittings.
2) Once unfolded, raise the unit to re-phase the lift cir-
cuit. Hold the lift circuit open for 30 seconds to ensure
all air is purged from the hydraulic system.
3) Lower the machine so the front coulter gangs are 1-
2" off of a level surface.
4) The leveling system and gang adjustment share the
same hydraulic circuit. To change between the two dif-
ferent systems, use the switch mounted by the by-
pass valve.
Note: The lights must be plugged in to
switch between gang angle and fore & aft.
5) Using the (Red) hydraulic hoses, adjust the hydrau-
lic cylinder so that the front coulter gangs are the
same distance off the ground as the rear coulter
gangs.
Document
#TLUS625C-0001B
Note: Proper infla-
49657
49369
2 of 6
Tire Pressure
Position
Size
Gauge Wheel
9.5L x 15" 8-Ply
Transport/
Titan 380/55R x 16.5G
Center 20&25
Transport/
BKT 410/50R x 16.5
Center 30
Transport/
11L-15SL 12-Ply
Wings 25
Transport/
12.5L x 15" 12-Ply
Wings 30
Hydraulic Hose Hookup
Color
Black
Green
Red
Gang Adjustment & Leveling(2 Hoses)
Hydraulic Reel Att. (3 Hoses, one for
Yellow
case drain) (Option)
Pressure
44 PSI
73 PSI
73 PSI
52 PSI
52 PSI
Function
Lift (2 Hoses)
Fold (2 Hoses)