Manual
Below is a brief overview of what happens during
the Etek4 firing cycle. The location of parts
discussed in the text below can be found on page
80-83.
Assuming the Etek4 is gassed up and turned
on,
FIGURE 6A
shows the marker in its idle
position. The rammer is held in its rear position
with pressurised air from the LPR directed
through the solenoid to the front of the rammer.
The valve chamber is full of pressurised air from
the inline regulator.
Providing a ball is in the breach, when the trigger
is pulled, a signal is sent to the solenoid which
redirects the supply of air from the front of the
rammer to the rear, which pushes the rammer
and bolt forward toward the valve
(FIGURE
6B)
. As this happens the air in front of the
rammer is vented out through an exhaust port in
the solenoid manifold.
The rammer makes contact with the valve stem
and continues to be pushed forward, now pushing
the valve forward with it. This breaks the valve
seal allowing pressurised air to flow up through
the valve and into the bolt and vent down the
barrel, propelling a ball
(FIGURE 6C)
.
The time that the rammer is held in this forward
position is dependant on the
Dwell
parameter.
The longer the dwell time the longer the Etek4
vents gas down the barrel. When this dwell
time has elapsed, the solenoid redirects the
supply of air from the back of the rammer to the
front, pushing the rammer and bolt back to the
rear position. This loss of forward force allows
the valve to re-seal and the valve chamber is
re-pressurised. As the rammer moves back air
behind it is vented through an exhaust port in the
solenoid manifold
(FIGURE 6D)
.
The Etek4 has now completed one cycle.
Air supply
from Solenoid
Air supply
from Solenoid
Air supply
from Solenoid
Air supply
from Solenoid
Air venting
Air venting
Air venting
Air venting
OPERATIONAL OVERVIEW
Inline Regulator Supply
Inline Regulator Supply
Inline Regulator Supply
Inline Regulator Supply
FIG 6A
FIG 6b
FIG 6C
FIG 6D
CONTENTS
ORIENTATION
QUICK SET-UP
USING THE ETEK4
ADVANCED SET-UP
EMORTAL BOARD
MAINTENANCE
UPGRADING
FAULT FINDING
SERVICE CENTRES
PARTS LIST
SPARES
INDEX
19.
ORIENTATION
QUICK GUIDE