TM 9--2350--292--20--1
0152 00--3
GRENADE LAUNCHER FAILS TO OPERATE PROPERLY. SOME OR ALL
TUBES FAIL TO OPERATE. ALL OTHER SYSTEMS OPERATE PROPERLY --
CONTINUED
0152 00
F
Is continuity present at both checks?
CONTINUED FROM STEP E
no
yes
CONTINUED ON NEXT PAGE
1. Place one multimeter lead on firing switch
receptacle pin A and other lead on pin E.
Check for continuity.
2. Place one multimeter lead on firing switch
receptacle pin B and other lead on pin D.
Check for continuity.
Repair or replace firing
switch assembly
(TM 9--1055--642--20&P).
Verify fault is corrected.
G
Is continuity present at all four checks?
no
yes
1. Hold both firing switches in.
2. Place one multimeter lead on firing switch
receptacle pin C and other lead on pins B
and D (one at a time). Check for continuity.
3. Place one multimeter lead on firing switch
receptacle pin F and other lead on pins A
and E (one at a time). Check for continuity.
Repair or replace firing
switch assembly
(TM 9--1055--642--20&P).
Verify fault is corrected.