POLYURETHANE
MACHINERY
CORPORATION
PHDX-2 SERVICE MANUAL
10. START-UP
10
START-UP
NOTE!
Follow the recommended procedure in the order shown.
CAUTION!
The Start-up procedures assume that all steps in Pro-
portioner purging (Section 7) have been performed and no prob-
lems were found.
1. Check the hydraulic fluid level and service as required.
2. Make sure the materials have been stored at the manufacturer’s recommended temper-
ature. Ask your material supplier for information (Safety Data Sheet) on the minimum
storage temperature.
3. Y-Strainer screens should be checked routinely.
4. Connect air supply to the two Transfer Pumps and ensure Air Valves are in the full
OPEN position. OPEN both Proportioner Material Inlet Ball Valves.
CAUTION!
Remove all Heated Hose sections from coiled storage
and lay flat to eliminate heat build-up and possible Heated Hose
failure.
5. Turn ON Main Power (Item N, Figure 6).
6. Turn ON Hose Heater (Item 5, Figure 7) and confirm material set-point temperature
as recommended by the material supplier or application conditions.
CAUTION!
To avoid excessive pressure in the Proportioner, wait
for the Hose Heater to reach its set-point temperature before con-
tinuing.
7. Turn ON each Primary Heater and confirm material set-point temperature as required
by the material supplier or application conditions has been reached.
8. Turn ON Motor Power (Item 9, Figure 7).
9. Turn ON Pump to NORMAL (Item 8, Figure 7).
NOTE!
The Material Pressure Gauges should be approximately
equal and remain constant throughout the Metering Pump cycle.
If not, refer to the Troubleshooting section (Section 12).
REVISION 1.1
34
