14 resin mix gel time test – Magnum Venus Plastech PATRIOT SSB Auto User Manual
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Patriot SSB Auto Instructions Issue 05 30/06//08
Page 8 of 43
3.7 Operate recirculation to ON position and observe Catalyst and Resin pipes prime with
their materials. Continue until recirculation both resin and catalyst recirculation pipes
indicate flow back into the resin tank and the Catalyst bottle to ensure full priming of all
fluid sections.
NOTE.
If the catalyst does not prime easily it is possible to loosen the catalyst pipe union at the
head catalyst inlet. (See Catalyst Auto Valve drawing 22422-8 pipe union part number
0153). By loosening this union the down stream air can easily escape during initial priming
of the pump. Once the catalyst fluid has reached the pump, stop priming and re tighten
this union 0153 before continuing thus preventing Catalyst spillage
This initial priming method is only used for initial priming of a new machine from empty. It
is NOT necessary to use this method again once the machine has been in use.
3.8. Stop pump and prepare to prime head block and mixer for the first time.
3.9 IMPORTANT. Attach the 1 metre priming Pipe securely with quick release connection
to Mixer outlet point. Secure the other end in a waste container. Alternatively the Turbo
Autosprue (TAS) may be connected but so that it does not open during this initial priming
exercise simply do not connect the 4 mm TAS red signal line. However do secure the
clear 10mm drain pipe safely to a waste container.
3.10. Set pre determining counter to at least 10 counts and press counter reset button
3.11 Press inject green button. The pump will start and then stop after the predetermined
volume of resin mix has been dispensed into the container.
3.12 The RGA Resin Gel Alarm will sound within n30 seconds (see separate section on
RGA at the end of this section 3.)
3.13 Operate (Pull) solvent Air flush control. Allow machine head and mixer to flush clean
and dry out with air flow for about 35 seconds. Return solvent /air flush control to off
position. (PUSH IN)
b/ The machine design has build in safety preventing inadvertent operation of the flush if
the operator attempts to flush during injection. The flush control will only be active when
the machine is NOT injecting
The machine is now fully primed and ready for first mix and gel test before production
operation.
3.14 Resin Mix gel time test
It is important that the mixed resin reactivity (gel time) needs to be checked before
injecting a mould. It is wise therefore to make a test mixture from the machine mix head in