Click here to make tpub.com your Home Page

Page Title: Chapter 7. CONTROLS AND INSTRUMENTS
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
   
   

 

TM 5-4110-217-14
CHAPTER 7
CONTROLS AND INSTRUMENTS
c.
Installation.
7-1. General.
(1) Attach switch (4) to frame with two screws
(5).
A general description of the control box assembly is
(2) Connect wires to proper terminals.
given in paragraph 3-55.  Organizational maintenance
(3) Connect flare nut of high pressure control
may make most all repairs or replacement in the control
switch (4) to compressor.
box, or on its panel. Removal or replacement of the high
(4) Back seat suction and discharge service
pressure cutout switch or any repair or replacement of
valves, opening one turn for gage connection.
parts which require the opening of the refrigeration
(5) Refer to paragraph 6-9 and test for leaks.
system must be referred to Direct Support. 7-2. Control
(6) Apply power.
Box Assembly.
a.  Removal (fig. 8-24).
7-4. High Pressure Gauge.
(1) Remove six screws (5) securing the
a.
Removal fig. 6-2).
control box assembly (6) to the frame and carefully pull
out the assembly.
(1) Back seat discharge service valve (16, fig.
(2) Disconnect  main  wire  harness  at
6-1), and remove gauge line nut at back of high pressure
connector receptacle (30, fig. 3-23).
gauge (62).
b.  Cleaning and Inspection.
(2) Remove three nuts (66) and washers (66)
(1) Clean all parts with a clean lint-free cloth
securing gage (62) to frame.
or compressed air.
(3) Remove fitting at back of gage. Do not
(2) Inspect parts for cracks, burning or other
remove fitting unless gage is to be replaced.
b.  Cleaning and Inspection.
damage. Replace all defective parts.
c.  Installation.
(1) Clean gage with a clean lint-free cloth.
(1)  Align holes in control box assembly (6)
(2) Inspect for cracks, dents or other damage.
with holes in frame and secure with six screws (5).
Inspect  all  threaded  parts  for  damage.
(2)  Connect main wire harness connector
Replace if defective.
c.  Installation.
plug to connector receptacle (30, fig. 3-23) located on
side of control box.
(1) Place high pressure gage (62) in hole of
refrigeration unit frame as in original configuration and
secure with three nuts (66) and washers (65).
7-3. High Pressure Control Switch.
(2) Replace fitting at back of gage.
(3) Screw gage line nut on fitting at back of
a.
Removal fig. 6-2).
gage and turn valve stem of discharge service valve (16,
(1) Refer to paragraph 6-1 and pump down
fig.  6-1) until pressure registers on gage.
7-5.
refrigeration system.
Compound Pressure Gage.
(2) Turn off power source.
a.  Removal (fig. 6-2).
(3) Front seat discharge and suction service
(1) Back seat the suction service valve (11,
valves.
fig. 6-1) and remove gage line nut at back of compound
(4) Remove flare nut of high pressure control
pressure gage (63).
switch (4) at compressor (1).
(2) Remove three nuts (66) and washers (65)
(5) Remove wires carefully labeling each for
securing gage (63) to frame.
proper terminal.
(3) Remove fitting at back of gage. Do not
(6) Remove two screws (5) attaching switch
remove fitting unless gage is to be replaced.
(4) to frame.
b.  Cleaning and Inspection.
b.  Cleaning and Inspection.
(1) Clean gage with a clean lint-free cloth.
(1) Clean switch with an approved cleaning
solvent and dry thoroughly.
(2) Inspect switch for dents, cracks, or other
damage. Replace if defective.
7-1

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

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