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IV. System installation
4.1. The installation of raw material pipe system
Lead Isocyanate (black) and polyhydric alcohol (white, POLY) to the pump body inlet of the host from
material barrels by the feed pump, and connect the raw materials and air pipes to the polyurethane spray
gun as following steps.
Note: Do not connect the equipment with power before the installation of raw materials pipe system.
If there are some users still use the F11 foaming, please pay attention to the problems below:
Under the condition of normal pressure, the F11 foaming agent in combined polyhydric alcohol will have a
strong expansion when the material temperature over 23℃. At this time, the raw material barrelhead was
opened quickly may lead to raw materials squirting out from the barrel. So it is suggested that act
cautiously when open the raw materials barrelhead and prepare cloth, mats and other protective articles to
prevent personal injury caused by the raw materials squirting out when opening the material barrelhead. To
prevent personal injury caused by raw materials blown out from the barrel cap. There is degassing sound
when open half of the raw materials barrelhead, and the barrelhead should be open up after air being fully
discharged.
(1) Installation of the feed system:
Step 1, open the big cover of the charging bracket and insert the feed pump into the bottom of the barrel
slowly, meanwhile, the tilt angle of the feed pump shall not greater than 30 degrees.
See Figure 2
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