307965
9
Service
To avoid damaging the electronic components of
the control:
D
Always
use the personal grounding strap
provided with a replacement metering unit
and electronic control when you remove the
cover (1) and while you replace the parts.
This strap protects the electronic compo-
nents from damage due to electrostatic
discharge.
D
Do not lay anything on the control.
D
Be sure the open side of the control faces up
if you lay it down.
D
Do not twist or force parts. Align parts
properly as instructed.
CAUTION
WARNING
To reduce the risk of a fire, explosion, and serious
burns to the body, handle and dispose of a used
electronic control (103) properly.
The electronic control contains a lithium battery.
Do not short circuit, charge, force over discharge,
disassemble, crush, penetrate, incinerate, or heat
the battery to a temperature exceeding 185
_
F
(85
_
C). Any misuse or abuse of the battery may
cause it to leak or explode.
1.
Relieve the pressure.
WARNING
To reduce the risk of serious injury, when you are
instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 8.
2.
Attach the disposable grounding wrist strap to your
wrist. Connect the adhesive-backed copper foil at
the other end to any convenient electrical ground,
such as the grounding screw or metal case of a
grounded electrical outlet.
3.
Lift the bottom edge of the black cover (1) away
from the meter (2), and pull the cover off. Remove
and discard the screws (6). Lift off the electronic
control (3). Remove and discard the large
o–ring (4).
4.
Install a new electronic control (3). Install the large
o–ring (4) over the lip on top of the metering unit
(2). Align the notch on the side of the electronic
control (3) with the notch on the side of the
metering unit (2). Install new screws (6). Tighten
the screws (6) 3 in-lb to 5 in-lb (0.34 N-m to
0.57 N-m) oppositely and evenly until a complete
seal is obtained as shown in the DETAIL in Fig 6.
5.
Install the cover so the rolled-in edges are parallel
with the inlet fluid passage of the metering unit.
Fig. 6
1
3
2
4
6
02174C
6
DETAIL
4
02175D
Summary of Contents for 244075
Page 4: ... 4 4 307965 Notes ...
