Table 3-1. Operator Troubleshooting (Cont'd.)

CHAPTER 3 OPERATOR MAINTENANCE Section I INSTRUCTIONS

Table 3-1. Operator Troubleshooting (Cont'd.) - TM-5-4320-301-13P_53

TM-5-4320-301-13P Pump Centrifugal: Self-Priming Diesel Engine Driven Wheel Mounted 8 Inch 1500 GPM at 80 Foot Head (Model US90 CCD-1) Manual
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3-2 TM 5-4320-301-13&P TM 089036A-13&P/1 Table 3-1. Operator Troubleshooting (Cont'd.) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 2. ELBOW COUPLER VALVE ASSY LEAKS. Step 1. Inspect for cracked elbow coupler valve assy body. Replace with a serviceable elbow coupler valve assy TM 10-8110-202-13&P. Step 2. Inspect for loose elbow coupler valve assy coupling half connections. Replace coupling half connections. Refer to TM 10-8110-202-13&P. Step 3. Inspect for damaged or missing gasket. Replace with a serviceable gasket. Refer to TM 10-8110-202-13&P. 3. 2-INCH VALVE ASSY LEAKS. Step 1. Inspect female coupler for damaged or missing gasket. Replace with serviceable gasket. Step 2. Inspect valve body for leaks and cracks. Step Replace with serviceable 2-inch valve assy. 3. Inspect valve body for improper threading or cross-threading. Replace with serviceable 2-inch valve assy. 4. Y-CONNECTOR LEAKS. Step 1. Inspect for cracks or dents. Replace with serviceable Y-connector.

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