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 4

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

4. DIAGRAM OF AIR SYSTEM AT COMPLETION OF RETRACT

STROKE. Trigger depressed, collet clamped, air motor running.

NOTE: Release trigger causes shifting of pilot, clamp- unclamp

and retract valves, collet unclamps and air motor stops (See Figure 1).