Emerson 1500 Marine Instruments User Manual


 
OCT 2013 DANIEL™ SERIES 1500 TURBINE METER
MAINTENANCE5-8
5.5 Field Retrofitable Dual Pickoff
In the event that a second pickoff is required for equipment originally supplied with a single pickoff,
or should field service or replacement of existing pickoffs be necessary, the following procedure is
recommended.
See Figures 7-1 through 7-6.
1. Disconnect all power to the meter.
PERSONAL INJURY AND/OR EQUIPMENT DAMAGE
Disconnect power to the meter.
Failure to disconnect power to the meter could result in serious injury and/or damage to the
equipment.
2. Remove retaining screws (item 52) and cover (item 16) of the UMB housing assembly.
3. Disconnect terminal connects at TB1, TB2 and TB3.
4. Loosen retaining screws of preamplifier board (item 56) and lift out.
5. Care should be taken not to jar or disrupt terminal board components.
6. Remove screw (item 52).
7. Insert second pickoff (item 11) into the pickoff cavity of the UMB and secure with screw,
(item 52).
2. Mount the preamplifier board in its original position and secure using spring loaded retaining
screws.
3. Attach electrical output wiring from both pickoffs to terminal connection TB2 and TB3 as
shown in Figure 3-2.
4. Attach electrical output wiring from electrical accessories (conduit wiring) to terminal
connection TB1, number 3 for channel A, and number 5 for channel B.
5. Secure all electrical wiring.
6. Return UMB cover and secure using original retaining screws.