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
