Xylem e-1531 Series, Инструкция по эксплуатации

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5. Install a seal flushing tube if it is used.
6. Install the drain plug and close the drain valve.
7. Open the isolation valves and inspect the pump for leaks.
Return the pump to service if you do not detect any leaks. See the Note on the packed
pump operation in the Commissioning, Startup, Operations, and Shutdown chapter.
6.4.4 Capscrew torque values
Capscrew torque in ft-lbs (Nm)
Capscrew
type
Head
marking
1/4 in. 5/16 in. 3/8 in. 7/16 in. 1/2 in. 5/8 in. 3/4 in. 7/8 in. 1 in.
SAE grade 2 6 (8) 13 (18) 25 (34) 38 (52) 60 (81) 120 (163) 190 (258) 210 (285) 300 (407)
Brass or
stainless
steel
or
4 (5) 10 (14) 17 (23) 27 (37) 42 (57) 83 (113) 130 (176) 200 (271) 300 (407)
SAE grade 5 10 (14) 20 (27) 35 (47) 60 (81) 90 (122) 180 (244) 325 (441) 525 (712) 800 (1085)
Pipe plug torque values
Table 2: Pipe plug torque, ft-lb (Nm)
Size Turns past finger tight Approximate torque
1/8 in NPT 1.5 to 3 12 (16)
1/4 in NPT 1.5 to 3 25 (34)
3/8 in NPT 1.5 to 3 40 (54)
1/2 in NPT 1.5 to 3 54 (73)
6.4.5 Dealer servicing
If trouble occurs that cannot be rectified, contact your local sales and service
representative and be prepared to provide this information:
1. Complete nameplate data of pump and motor
2. Suction and discharge pipe pressure gauge readings
3. Ampere draw of the motor
4. A sketch of the pump hook-up and piping
6 Maintenance
Series e-1531 and e-1532 INSTRUCTION MANUAL 27