2. Place the piston inside the meter, over the cone as shown in
.
Figure 5: Piston installed
SPRING INSTALLATION
1. Install the spring into the body with the double coils up.
Figure 6: Spring double coils
2. Secure the already fastened fitting of the meter in a vice or
dedicated fixture.
Figure 7: Meter in a dedicated fixture
3. Place the second fitting into the open end of the meter and
hand-thread for a few turns, making sure that it is flat/level.
4. Once the fitting is started, use a spring depressor to keep the
spring from hindering the fitting from fully seating.
Figure 8: Spring depressor
5. Using appropriate torque wrench with locknut socket,
tighten the fitting to 85…90 ft·lb.
Figure 9: Torque wrench
6. Flip the meter over in the vice and tighten the second fitting
using the appropriate torque wrench.
NOTE:
N
After installing the second fitting, visually inspect
both ends of the unit to make sure that the o-ring has
been properly installed and is properly seated. If it is
protruding out of the o-ring groove, remove the fitting,
remove and inspect the o-ring (replace with a new
o-ring if there are any nicks, cuts or scrapes) and reinstall
making sure that it is seated properly.
NOTE:
N
After assembly of the meter, visually inspect both ends
of the meter for uniformed circumferential lines of
contact between the o-rings and meter body.
FULLY ASSEMBLED METER
Figure 10: Assembled meter
