POLYURETHANE
MACHINERY
CORPORATION
PH-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 have been performed and no problems 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 tem-
perature. Ask your material supplier for information (Material 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 (See Figure 6 on page 15).
6. Turn ON Control Power (See Figure 6 on page 15).
7. Turn ON Hose Heater (See Figure 6 on page 15) and confirm material set-point tem-
perature 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.
8. Turn ON each Primary Heater and confirm material set-point temperature as required
by the material supplier or application conditions has been reached.
9. Turn ON Motor Power (see figure 6 on page 15).
10. Set Pump Switch (See Figure 6 on page 15) to NORMAL. One of the Directional
Indicator Lights (See Figure 6 on page 15) will illuminate, indicating the Metering
Pump direction, and the Metering Pump Shafts will begin to move.
NOTE! The Material Pressure Gauges should be approximately
equal and remain constant throughout the Metering Pump cycle.
If not, refer to Trouble Shooting section.
REVISION 1.2 28
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