Service manual

VENT

TRIGGER

VALVE

PILOT

VALVE

AIR

MOTOR

CAPPED

ACCESSSORY

PORT

COMPRESSED

AIR

COMPRESSED AIR

TRAPPED COMPRESSED AIR

VENT (ATMOSPHERE)

VENT

BYPASS

COVER

FEED PISTON

DWELL VALVE

FIGURE 2

EXHAUST

DEPTH CONTROL

ADJUSTMENT

RETRACT & DWELL PORT

(VENTED TO ATMOSPHERE)

CLAMP- UNCLAMP

PISTON

PNEUMATIC CHECK VALVE

BOOSTER

PUMP

(OPTIONAL)

VENT

UNCLAMP CHECK VALVE

RETRACT

AND

DWELL

VALVE

2. DIAGRAM OF AIR SYSTEM AT FULL COLLET STROKE

AND START OF CUTTER FEED. Trigger depressed, pilot

and unclamp check valves shift, air motor starts, collet

first clamps fully, then cutter starts feeding and continues

to feed until pre-set depth has been reached (See Figure 3).