Operator Troubleshooting Table (Cont'd).
TEST OR INSPECTION
2. PROPORTIONING PUMP SLOWS DOWN - MAINLINE FLOW RATE REMAINS CONSTANT.
STEP 1. Check position of range adjusting valve Make sure setting is correct. If incorrect, place in correct
position (Refer to Paragraph 2-10 a).
STEP 2. Check that proportioning pump's inlet and outlet ball valves are fully open If not fully open, open
STEP 3. Notify unit maintenance to check Y-strainer (Refer to Paragraph 4-21)I
SECTION III. OPERATOR MAINTENANCE PROCEDURE.
3-4. GENERAL. Operator maintenance on hypochlorination unit consists of only tasks and procedures stated in
operator Preventive Maintenance Checks and Services (PMCS) (Table 2-1) Refer to operator's PMCS and perform all
tasks outlined at intervals specified