5-2
F-987-0519
TROUBLESHOOTING GUIDE
HYDRAULIC - ONE SIDE OF CENTER
LIFT CYLINDERS NOT FULLY
EXTENDING OR CANNOT INSTALL
ONE TRANSPORT LOCK
Center lifts not properly timed.
Remove 1” bolt from adjustable radius rod
on lifts and fully retract lift cylinders,
reinstall radius rod bolt adjusting it to fit
the lifts in the position. Check center
frame level as described in
.
Check 1/2” x 3-1/2” bolts going through
plates holding adjustable radius rod on
lift. If broken or sheared replace and
reinstall radius rod to fit.
HYDRAULIC - ENTIRE UNIT SETTLING
Depth stop valve not working
Repair valve
HYDRAULIC - UNIT SETTLING, ONE
WING RAISING
Center frame cylinder leaking internally on
side of unit that wing is raising
Repair center master cylinder
HYDRAULIC - WING SETTLING
Wing cylinder leaking:
Repair cylinder
DISC GANG PLUGGING
Scrapers set too far from disc blade
Adjust scrapers to meet disc blade closer
and evenly
Operating depth too deep
Raise unit.
Conditions too wet
Wait until conditions more favorable.
In drier conditions, set scraper farther away from disc blade to improve residue flow
DISC GANG WILL NOT TURN OR
PUSHES SOIL
Scrapers set too tight
Readjust scrapers.
Depth set too deep for loose or wet
conditions
Raise implement or wait until conditions
are more favorable.
Gang bearing failure
Replace bearing
DISC GANG BEARING SNAP RING
POPS OUT
Gang bearings installed incorrectly
Install bearings with snap ring away from
concave side of disc blade.
SCRAPERS BUILD UP WITH
EXCESSIVE SOIL/RESIDUE
Scrapers set too far from disc blade
Readjust scrapers.
DISC BLADES LOOSE AND/OR
SHEARING ROLL PIN
Gang not tightened properly
Re-tighten gang shafts to 1250-1500 ft-lbs.
If gangs have ran loose, gangs may
require disassembly to remove soil to
properly torque gang shafts. Replace
any worn components, shafts/spools,
etc.
CONDITIONER REELS PLUGGING
Excessive down pressure
Raise reels w/ adjustment bolt
LIGHTS DO NOT WORK
Harness or lamp connection unplugged
Check all harness/lamp connections to
verify that everything is properly
connected.
PROBLEM
PROBABLE CAUSE
SOLUTION
Содержание VT Plus 7550
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