Safety, Operation & Service
EN-823122
February 17, 2004
Quackenbush
Air Controlled System
Page 23
Retract Piston
Signal V
alve
Signal V
alve
Feed Piston
Check V
alve
S
top
Drill
Button
Metering
Seat
Latch Piston
Latch Piston
Throttle Piston
As the air pressure here increases, the
Throttle
Piston moves and opens the
T
ilt
Throttle.
The
Motor st
art
s the Latch Piston moves right and
holds
Throttle open until the Latch Piston is
vented by the S
top Button, or during Retract,
the Signal V
alve.
T
ilt Throttle
Compressed Air
Throttle Piston
Filter
90 PSI
Retract
V
alve
RETRACT
MODE
DRILL
AND FEED MODE
ST
AR
T
DRILL
CYCLE (Af
ter Rapid
Advance)
V
ent
Gear
V
ent
Signal V
alve
Push to S
tart
S
top
V
ent
V
ent
“A”
DIAGRAMS OF
AIR
CONTR0L
SYSTEM
COMPRESSED AIR