Table 3-1. Operator Troubleshooting - Cont
Test or inspection
1. SOLUTION FEED PUMP AIRLOCKED AT STARTUP - continued
Set solution feed pump stroke adjusting knob (3) for 100 percent.
Open inlet shutoff cock (4) and outlet shutoff cock (5).
Allow hypochlorination unit to operate for about 2
Tighten tube nut (1) on solution feed pump discharge tube (2).
Return to normal operation.
If malfunction still exists, notify unit maintenance.
2. CHLORINE RESIDUAL TEST INDICATES NO CHLORINE IN TREATED WATER
Step 1. Check that pressure gage indicates between 25 and 100 psi.
If pressure indication is within given limits, go to step 2.
If pressure indication is below 25 psi, refer to malfunction 4.
If pressure indication is above 100 psi, refer to malfunction 5.