Symptoms and Possible Causes
KVAL 990-F4 Service Manual
4-30
Symptoms and Possible Causes
TABLE 4-2.
Symptom
Possible Cause
Corrective Action
Oiler not lubricating
machine
1.
Oil Reservoir Empty
2.
Lubricator Not Primed
3.
Faulty Lubricator
1.
Fill Reservoir with Sys-lube
2.
Prime lubricator
3.
Replace Lubricator
Hinge Section Pocket Under
Traveled (pocket not com
-
plete)
1.
Lack of Oil
2.
Flow Control Out of Adjustment
3.
Debris or Obstruction limiting travel
1.
Check Lubricator
2.
Increase Flow Control
3.
Remove Obstructions
Hinge Section Pocket Over
Traveled in Corners
1.
Flow Control Out of Adjustment
2.
Bent Router Arbors
3.
Bearings Out of Adjustment
1.
Slow Flow Control
2.
Replace Arbor
3.
Adjust Bearing Tension
Hinge Pocket Brake Out
1.
Flow Control Out of Adjustment
2.
Worn Out Chipout Blocks
3.
Worn Out Tooling
1.
Readjust as Needed
2.
Replace the Chipout
3.
Sharpen or Replace the tool
Router Has Excessive Noise
or Vibrations
1.
Bent Arbor Shaft
2.
Tool Out of Balance
3.
Router Loose in Housing
1.
Replace Arbor
2.
Replace Tool
3.
Tighten Router in Housing
Feed System Doesn’t Stop
for Door to Clamp
1.
Debris on Photo Ey
e
2.
Defective Photo Eye
3.
Feed Belt Too Low
1.
Clean Photo Eyes Regularly
2.
Replace Eye
3.
Adjust Feed Belt Height
Door Slams Against Door
Stops
1.
Feed System Moving To Fast
2.
Defective Photo Eyes
1.
Slow Down DC Drive (call KVAL
TECH).
2.
Replace Eye
Six Shooter Hydraulic
Screw Head will not Start
1.
Slide valve on screw drop cylinder
turned off.
2.
Jammed Screw
3.
Limit Switch Out of Adjustment
4.
Bad Fuse
1.
Push Slide Valve On
2.
Un-jam Screw Slide
3.
Re-adjust Limit Switch Arms
4.
Replace Fuses