Screw torque values, Dealer servicing, Screw torque values dealer servicing – Bell & Gossett P71396C Series 80-SC Spacer-Coupled Vertical In-Line Centrifugal Pump User Manual
Page 24
9. Refer to
(page 18)for seal installation instructions.
10. If an inside seal, lubricate the inside of the seal with P80.
a) Slide the seal and spring over the shaft to the proper position.
b) Install the seal cap and the four bolts.
c) Tighten the four seal cap bolts evenly to avoid misalignment.
11. Install the coupling to the pump shaft. Tighten the bolts evenly.
12. Reinstall the flush line.
13. Reinstall the coupling guard.
Screw torque values
Capscrew torque in ft-lb (Nm)
Capscrew
type
Head
marking
Capscrew diameter (in inches)
1/4
5/16
3/8
7/16
1/2
5/8
3/4
7/8
1
SAE grade
2
6 (8)
13 (18)
25 (34)
38 (52)
60 (81)
120 (163) 190 (258) 210 (285) 300 (407)
Brass and
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 (440) 525 (712) 800 (1085)
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
Maintenance
22
Series 80-SC Installation, Operation, and Maintenance Manual