QUEENSLAND URBAN UTILITIES
QUU CONTRACT NO: C1112-022
LUGGAGE POINT STP/LUGGAGE POINT
OPERATION & MAINTENANCE MANUAL
Chp4Maintenance.doc
DRAFT: A 23-Jul-13
Page 15 of 36
To reassemble, follow this procedure. New bolts are needed to complete reassembly.
1.
Clean and degrease thoroughly the mating surfaces of new bolts and nuts and all other parts
before assembling any parts.
2.
Insert the replacement chain link.
3.
Insert the hollow pin.
4.
Replace the retaining rings for the hollow pin.
5.
Replace the perforated screen panel plate.
6.
Replace the side seal plate.
7.
Use Loctite 262 and primer N7669 on the bolts before reinserting them. Allow the Loctite 262 to
cure 20 to 30 minutes for temperatures above 21ºC. For temperatures below 21ºC, allow more
time, up to 3 to 6 hours as temperatures approach freezing.
8.
Screw down the securing bolts in the links of the chain. Take care not to overtighten the bolts.
Set the tightening torque as shown in the bolt size/torque chart in chapter 1.
9.
Turn the threaded rod to re-establish correct chain tension, so that the chain is not loose.
10.
Remove the securing pin from hole “B” or “C.”
11.
Remove securing pin from hole “A.”
12.
Remove any securing wire or device from the perforated screen panel plate.
13.
Replace the side inspection hatch covers.
4.3.3 Replacement of Flexible Seals
To replace flexible seals, you will drain the channel and work on the lower end of the Aqua-
Screen
®
.
CAUTION: Switch off and lock out/tag out the electrical switches of the two motors.
Luggage Point STP ST18 Pre Treatment (Aqua-Screen (Andritz) Operation and Maintenance Manual) General
Q-Pulse Id: TMS579
Active: 13/12/2013
Page 58 of 316