Capscrew torque values, Dealer servicing, Capscrew torque values dealer servicing – Bell & Gossett P81673 REV I Series 1510 User Manual
Page 39
5. Position the outer guard so that there is less than 1/4 in. (0.64 cm) of exposed shaft.
6. Hold the guard in this position and tighten the three capscrews.
7. Open the isolation valves and inspect the pump for leaks.
8. Return the pump to service if it is not leaking.
Capscrew torque values
Capscrew torque
This table contains the capscrew torque values.
Table 3: Capscrew torque, ft-lb (Nm)
Capscrew
type
Head
marking
1/4 in.
5/16 in.
3/8 in.
7/16 in.
1/2 in.
5/8 in.
SAE grades 1
and 2
3 (4)
6 (8)
10 (14)
16 (22)
24 (33)
46 (62)
Stainless
steel
3 (4)
6 (8)
10 (14)
16 (22)
24 (33)
46 (62)
SAE grade 5
8 (11)
17 (23)
30 (41)
50 (68)
76 (103)
48 (65)
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
Series 1510 Installation, Operation, and Maintenance Manual
37