Click here to make tpub.com your Home Page

Page Title: SOLENOID VALVE (COIL REMOVAL).-Continued
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM5-4120-384-14
4-37. SOLENOID VALVE (COIL REMOVAL).-Continued
(4)  Use  continuity  tester  or  multimeter  set  on  lowest  OHMS
scale  to  check  for  continuity  between  pins  A  and  B  in  each
connector  plug.
If  continuity  is  not  found,  the  coil  is  open  and
must  be  replaced.
(5)  Check  for  continuity  between  each  pin  in  connector  plug
If  continuity  is  found  the  coil  is  grounded  and
and  coil  casing.
should  be  replaced.
(6)  If  continuity  checks  are  satisfactory,  apply  24  volts  dc
from an external power supply across pins A and B in connector
Listen  for  a  sharp  click  when  the  valve  changes  position.
plug.
If  a  click  is  not  heard,  internal valve problems are indicated and
Refer  to  direct  support
the  entire  valve  should  be  replaced.
maintenance.
The  only  authorized  repair  to  solenoid  valve  is
b.
Repair.
The  coil  can  be  replaced  without  opening  the
coil  replacement.
refrigeration  pressure  system.
Do  not  attempt  any  disassembly  of  the  solenoid  valve
other  than  coil  removal  with  a  refrigerant  charge  in
Refrigerant  will  be  sprayed  out
the  system.
dangerously  if  the  screws  that  attach  the  tube  and
plunger  assembly  to  the  valve  body  are  loosened.
Remove.
c.
(1)  Remove  top  nut  that  attaches
coil  to
the
valve
body.
Remove  data  plate,  coil,  and  connector
plug.
(2)  Cut  plastic  tie
down
straps
as
necessary
to
remove
solenoid  valve  cable.
(3)
If
connector
plug
is
to
be
reused
it
from
leads.
(4)  If
grommet
is
to
be
reused
remove
it
from
defective
coil
assembly.
Installation.
d.
(1)  Slip
grommet
over
leads
and
install
in
hole
in
coil
assembly.
(2)
leads
from
coil
assembly
to
connector
plug.
4-110

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business