| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-223-24-18-1
Troubleshooting - CONT
Table 2-2.
Malfunction
Test or Inspection
Corrective Action
COMPRESSED AIR PIPING SYSTEM - CONT
STEP 5.
If the above steps do not locate malfunction, isolate all branch
piping.
If pressure in main increases.
a.
(1) Open one branch at a time until faulty branch is determined.
(2) Repair as necessary.
If step 5, above, fails to locate malfunction.
STEP 6.
a.
Systematically isolate each section.
(1) Main deck.
(2) Below main deck.
If isolating a specific section causes pressure in main to increase,
b.
repair the section as necessary (para. 2-342).
STEP 7. Check for malfunctioning compressor.
Refer to air compressor troubleshooting (TM 55-1905-223-24-8).
Low or no pressure at serviced equipment. Low pressure indication at
226.
equipment pressure gauge. Main pressure gauge indicates normal pressure (220
psig).
STEP 1.
Check for equipment or branch isolation valves completely or partially
closed.
Ensure that all valves to equipment are fully opened.
STEP 2. Check for malfunctioning pressure reducing valve.
Repair or replace valve as necessary (para. 2-342).
STEP 3. Check for loss of pressure in piping main.
Refer to malfunction 229.
Excessive moisture in system.
227.
STEP 1. See if operator drained moisture separator.
Drain separator of all moisture.
STEP 2.
Check for defective air dryer.
Inspect air dryer.
b.
Isolate, repair or replace dryer.
2-172
|
||
|
||
