TM 5-3610-253-14
Foot pressure pulls spinning
TREADLE. Mechanically linked to drill and motor.
drill through work, compresses springs.
Component of auto-trip backgage. Positions work.
SIDE GUIDE.
PRESSURE FOOT. Clamps work when drill is lowered.
2 in. (5.08 cm)
Maximum Work Thickness
1/2 in. (12.7 mm)
Drill Size (Max)
7
Number of Backgage Stops
110 V, 60 Hz, single-phase
Power Requirements
2-3. TECHNICAL PRINCIPLES OF
OPERATION.
2-3.1 Drill. Foot pressure on the treadle lowers the motor and spinning drill.
Drill penetrates the paper. Release of pressure on the treadle permits springs to
return motor and drill to normal position.
2-3