Table of Contents
Advertisement
Operation
OPERATION
See
"Application Information" on page 12
Microswitch Adjustment
1 Remove cover screws and front cover
N
OTE:
On flow meters equipped with dual microswitches, the side closest to the connector is the
decreasing flow switch and the side opposite the connector is the increasing flow switch
"Microswitch Cable Specifications" on page 6
N
OTE:
See
2 Loosen the screws securing the switching roller and latching rollers to the guide bar
Turn each screw a maximum of one full turn
3 All rollers are secured as a set to the spacer strip Slide the entire roller set until the
pointer is at the desired setting
N
OTE:
The spacer strip controls the maximum distance between rollers This distance may be
shortened when the switch setting is close to the end of the flow scale Latching rollers may
also be removed if the switch setting is close to the end of the flow scale
4 Make sure the roller brackets are flush against the guide bar Tighten the roller screws
5 For dual switch models, repeat steps 1...4 for the increasing switch setting
6 Install the cover gasket and front cover and secure with screws To properly seat the
cover gasket, tighten cover screws in a crisscross pattern (see
Page 8
Latching Roller
Spacer Strip
Switching Roller
Latching Roller
Pointer
Guide Bar
Figure 5: Microswitch adjustment
Figure 6: Cover screw tightening sequence
VAM-UM-00646-EN-04
for application information and fluid charts
for cable lengths and specifications
Screws
Figure
6)
April 2017
Advertisement
Table of Contents
Need help?
Do you have a question about the Hedland Flow-Alert and is the answer not in the manual?