__________________________________________________Chapter 4 – Smoke Control Section, Page 4-39
Wash System – Troubleshooting (Cont.)
Oscillating Wash - Cont.
e)
To replace the motor proceed as follows:
1)
Slide the new motor over the manifold.
2)
Replace and tighten the screws holding the motor in place.
3)
Apply “O” ring lubricant around the receiver of the brass swivel elbow (Refer to Figure 4-38-2).
4)
Slide the brass swivel elbow over the receiver end and install the “C” retainer ring (Refer to
Figure 4-38-2).
5)
Tighten the union.
6)
Reconnect the electrical.
Extreme Caution: Before removing the lead wires from Cells, a Standard Safety Voltage Test must
be conducted as described on page 4-11.
This test is necessary to insure that the Grounding Disc
made proper contact with the brass grounding screws to drain all the residual power from the
transformer.
7)
Remove the first ESP Cell that is nearest the motor so you can see the position of the manifolds.
8)
By hand, turn the manifolds down to a 45° angle from horizontal. A small combination square
may be useful for this procedure. Once positioned, tighten the shaft clamp to 40 ft. lbs.
Water Supply Pipe
Shaft Clamp
Conduits
Figure 4-39-1
Plumbing Compartment
Upper Section
Union
Brass Swivel
Elbow
