Sharp TMV Series - Page 49

45
TROUBLE
CAUSE
CORRECTION
SPINDLE POWER FEED
DISENGAGEMENT NOT
WORK WELL
The two M4 set screws on disengage lever
loosed
Tighten set screws
HAND MICRO-FEED NOT
WORK
1. Power feed rates selecting knob set on
one of the three feed
2. Engage lever not operated.
1. Rotate this knob to one of
the two "DUMMY" positions.
2. Pull engage lever.
V-BELT SLIPS AT CUTTING
1. V-belt too loose
2. V-belt worn
3. Wrong grooves
1. Tight V-belt
2. Replace V-belt
3. Check grooves
RAPID TRAVERSE OF
FEEDBOX NOT WORK
1. Wrong motor rotating direction
2. Multi-disc clutch worn
3. Rapid traverse shifter worn
1. Reconnect the power
supply
2. Adjust clutch
3. Replace shifter
FEED STOPS SUDDENLY
DURING MACHINING
1. Overload makes the shear pin shear out
1. Check the overload cause and
replace shear pin
KNEE CAN'T BE POWER
ELEVATED
1. Knee is locked on column
2. Over weight of work piece, fixtures, etc.
(Max. load capacity: 300 KGS)
3. Poor lubricating between knee and
column
1. Release lock bolts
2. Use hand elevating
CANNOT HOLD SIZE
1. Cutting load too great
2. May be due to chip packing
3. Chips causing misalignment.
1. Decrease number of teeth in
contact with work piece.
2. Increase oil pressure in redirect
flow so as to wash chips out of
teeth.
3. Brush or blow all chips away
before mounting new piece of
work.
PREMATURE CUTTER
DULLING
Cutting load too great
1. Decrease number of teeth in
contact with work piece
2. Add blending oil to lubricant