Install the hex coupling guard, Torque values, Install the hex coupling guard torque values – Xylem P2001406B Series e-1510 Centrifugal Pumps User Manual

Page 36

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4. Install a flush piping if it is used.
5. Install the support foot capscrews and tighten them according to the Capscrew torque

values table.

6. Install and align the coupling.
7. Install the drain plug and close the drain valve.

Install the hex coupling guard

1. Slide the inner guard into the outer guard.
2. Spread the guards and place them over the coupling.

Do not spread the inner and outer guards more than necessary for guard installation,
as it can alter their fit and appearance.

3. Straddle the support bracket with the guards and install a capscrew through the hole

in the support bracket and guard located closest to the pump.
Do not tighten the capscrew.

4. Install the outer guard capscrews according to the directions in this table.

If...

Then...

The pump has a motor saddle

support bracket

Ensure that the outer guard straddles the support arm and install the two

remaining capscrews.
Do not tighten the capscrews.

The pump does not have a motor

saddle support bracket

Insert the spacer washer between the holes located closest to the motor in

the outer guard and install the two remaining capscrews.
Do not tighten the capscrews.

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.

Torque values

Capscrew torque

This table contains the capscrew torque values.

Table 2: 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)

Pipe plug torque values

Table 3: 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)

Maintenance

34

Series e-1510 Installation, Operation, and Maintenance Manual

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