TM 5-5420-228-24
STE/ICE Test Procedures - Continued
NOTE
When performing the OFFSET test,
make sure system to be tested, is not
pressurized. If not pressurized, you will
get an improper reading.
First Technician (Operator's Station)
Dial TEST SELECT switches to 51.
Press and hold TEST button until VTM display
indicates CAL.
Release TEST button.
Check that OFFSET measurement on VTM
display indicates between -1500 to +1500.
Does VTM display indicate between -1500 to
+1500?
3
Perform OFFSET FAULT
NO
ISOLATION (TM 9-4910-571-12 & P )
YES
4
First Technician (Operator's Station)
The next step to be performed depends on which
dual counterbalance valve is being tested.
FOR DUAL
GO TO STEP
OVERHEAD T1
5
TONGUE T1
8
TONGUE T2
11
SCISSORS T1
14
OVERHEAD T2
17
2-58.2
Change 3