TM 10--3510--221--10
0021 00--3
AIR SYSTEM TROUBLESHOOTING --
Continued
0021 00
AIR TANK NOT PRESSURIZING OR PRODUCT PRESSURE LO
1.
Position CONTROL POWER switch (WP 0008 00, Figure 1, 3) to OFF and then back to ON.
2.
At operator panel A select use MENU SELECTION switch (Figure 2, 7) to select PRESS TO START.
3.
Open access door to air system.
4.
Observe air compressor operation.
Is air compressor on?
YES Go to step 5.
NO Go AIR COMPRESSOR DOES NOT COME ON FAULT.
5.
Check for air venting from petcocks on front air bags.
Is air venting from petcock(s)?
YES Close petcocks. Return to normal operation.
NO Go to step 6.
6.
Check for air venting from petcock at outlet of pressure regulator.
Is air venting from petcock?
YES Close petcock and access door. Return to normal operation.
NO Go to step 7.
7.
Check position of manual valve at outlet of air tank.
Is valve open?
YES Go to step 8.
NO Open valve and close access door. Return to normal operation.
8.
Check petcock at bottom of air tank.
Is petcock open?
YES Close petcock. Open manual valve at air tank outlet then return to normal operation.
NO Go to step 9.
9.
Check for a clogged inlet filter (WP 0037 00).
Is filter element clogged?
YES Replace filter element.
NO Go to step 10.
10. Check for a clogged coalescing filter (WP 0038 00).
Is filter element clogged?
YES Replace filter element.
NO Notify maintenance.
