Model T27577 (Mfd. Since 3/16)
-21-
Underpinner Movement
Symptom
Possible Cause
Possible Solution
V-nail driver will
not move/does not
return after cycle.
1. Adhesive buildup on V-nail driver.
2. V-nail jammed in V-nail block.
3. Pressure bar spring is disconnected/
broken.
4. Driver broken or worn out.
1. Remove V-nail block and clean V-nail driver with
cleaner/solvent.
2. Remove jammed V-nail (
Page 14).
3. Reconnect pressure bar spring; replace.
4. Replace.
Front clamp
movement is
sluggish, jammed,
or will not engage.
1. Excessive debris/adhesive buildup on
spring assembly.
2. Front clamp cable is disconnected/broken.
1. Clean/lubricate all moving components (
Page 17).
2. Reconnect front clamp cable; replace.
Pressure bar
movement is
sluggish or will not
engage.
1. Adhesive/dust buildup on components.
2. Pressure bar spring has become
disconnected/broken/relaxed.
1. Clean pressure bar assembly with cleaner/solvent.
2. Reconnect pressure bar spring; replace if
necessary.
Fence will not slide.
1. Fence stop/lock levers engaged.
2. Debris built up in fence track.
1. Release stop/lock levers.
2. Clean fence/track with cleaner/solvent.
Pressure pad marks
workpiece.
1. Pressure pad too close to workpiece.
2. Debris on pressure pad.
1. Adjust vertical clamp height (
Page 13).
2. Clean pressure pad.
Workpiece moves
during operation.
1. Vertical clamp set too far away from
workpiece.
2. Front clamp set too far away from
workpiece.
1. Adjust vertical clamp height (
Page 13).
2. Adjust front clamp distance to frame (
Page 13).
Indicator Light
Depth indicator light
will not illuminate.
1. Battery has died.
2. Depth cap screw for driver indicator limit
switch not set correctly.
3. Indicator light incorrectly wired.
4. Indicator light bulb burned out.
1. Replace.
2. Adjust driver indicator (
Page 19).
3. Check indicator light wiring. Replace.
4. Replace.
+
2
1
2
1
Indicator Light
9V
Battery
Limit Switch
Hengtai
V-152-1C25
–
Wiring Diagram
Summary of Contents for T27577
Page 32: ......
