Operating Manual
Initial Machine Set-up
2/12/04
17
Heated Hose Installation
WARNING:
TO MAKE PROPER AND SAFE HOSE CONNECTIONS
,
READ AND UNDERSTAND
FOLLOWING
:
I
SOCYANATE HOSES ARE COLOR
-
CODED RED AND RESIN HOSES ARE COLOR
-
CODED BLUE FOR
POSITIVE IDENTIFICATION
. I
N ADDITION
,
THE RESIN AND ISOCYANATE HOSE FITTINGS HAVE
DIFFERENT THREAD SIZES TO VIRTUALLY ELIMINATE INTERCHANGING THE HOSES
.
T
HE HOSE CONNECTION POINTS ARE A POTENTIAL SOURCE OF CHEMICAL AND AIR LEAKS AND
ARE THE AREAS MOST EXPOSED TO DAMAGE FROM SCUFFING AND SNAGGING ON ABRASIVE
SURFACES
. G
USMER
C
ORPORATION STRONGLY RECOMMENDS INSTALLING THE OPTIONAL
SCUFF JACKET TO PROTECT THE HOSES AND
TSU
EXTENSION HARNESS FROM DAMAGE
.
1. Connect the isolation hoses to
their respective primary heater
outlet fittings
(see Figure 7)
.
IMPORTANT: The heated hose
assemblies are connected end to
end during shipment to protect
them from moisture intrusion. Do
not separate the hoses until they
are ready to connect to the
proportioning unit.
Figure 7. Isolation Hoses
2. Plug the TSU extension adapter into the left side of the electric console.
3. Connect the air hose extension adapter to the outlet fitting on the proportioning unit.
4. Connect the heated hose assembly to the isolation hoses as follows:
a) Lay out the hose
assemblies end-to-end as
shown
(see Figure 8)
.
•
A- (Isocyanate) hoses are
color-coded RED.
•
R- (Resin) hoses are color-
coded BLUE.
See Figure 9 for Steps b) and
c).
Figure 8. Hose Connection Step (a)