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Operation
311511G 29
Operation
Daily Start-up Procedure
1. Check condition isocyanate lubrication system and
service as required. Change pump lubricant when it
shows signs of change to a milky color.
2. Ensure supply fluid is at correct temperature as
recommended by chemical system supplier. Ensure
individual chemicals are correctly agitated within
their drums/day tanks, and moisture protection
system is properly set for operation. Recirculate
heated fluid back to supply drums if necessary; see
page 31.
3. Turn on main air supply to transfer pumps.
4. Pressurize transfer pumps and open A- and B-inlet
supply valves.
5. Open air inlet ball valve.
6. Switch ON main power disconnect switch.
7. Uncoil heated hose.
8. Check that hose setpoint temperature is correct.
9. Turn hose heat control switch past ON to START.
Switch will illuminate.
10. The hose power controller automatically adjusts the
hose current to the hose to compensate for hose
length and ambient temperature. Wait for actual
hose temperature readout to match hose setpoint
temperature.
11. Turn on primary heater switch past ON to START.
Ensure heater setpoint is correct. Wait for operating
temperature to be reached.
12. Set PRESSURE RELIEF/SPRAY valves (SA, SB) to
SPRAY.
13. Turn PARK/RUN switch to RUN.
14. Turn Pump Mode Function switch to ON and
momentarily to START. Pumps will pressurize the
fluid according to air regulator pressure.
15. Check A and B fluid pressure gauges (GA, GB) to
ensure proper pressure balance between A and B. If
imbalanced, bleed off the high side with valves SA
and SB until balanced.
The daily start-up procedures describe normal
operation. Assume that all temperature and
pressure settings have been previously set, but that
the heating system is not up to operating
temperature.
NOTICE
Uncoil heated hoses before turning on hose heater
switch to prevent overheating and hot spots within
hose.
To prevent excessive pressure build-up in heated
hoses, always bring hoses and primary heater up to
operating temperature before turning on pump switch.
ti8442a
SB
SA
ti8442a
GA
GB