C9, TM 9-2350-230-12
TABLE 3-1. IMMEDIATE ACTION IN CASE OF FAILURE TO FIRE -
STEP
PROCEDURE
FIG/ITEM
1
Attempt to fire with firing button on elevation handwheel.
WARNING: Remove blasting machine from bracket and operate from
loader's or commander's seat. If blasting machine must be operated in
bracket, be careful to stand clear of gun recoil.
2
Attempt to fire 152MM conventional round (third time) by removing safety
pin and turning blasting machine handle vigorously 3 to 5 times.
3
Push SAFE/READY switch to SAFE position if third attempt to fire fails
CAUTION: Wait at least 2 minutes after step 3, remaining clear of
breech in case round ignites and gun-launcher recoils.
4
Place ejector lever in non-eject (up) position
CAUTION: Make certain ejector lever is in non-eject (up) position
before opening the breech. If in eject position, the ejector would cut open
case upon breech opening allowing propellant particles to escape into turret,
creating an extremely hazardous condition.
5
6
Depress release handle located at forward edge of loading tray bracket,
and hold in depressed position. If only one man is available to remove
round, insert a small (3/16") piece of wood between loading tray detent
release plunger and housing assembly detent release pin, and completely
open breech chamber. The wood will permit use of both hands to remove
round.
7
Grasp round and slide rearward onto loading tray
8
Release detent release handle and return round to rack
9
Return round to ammunition personnel as soon as possible for disposition.
10
Before resuming firing procedure after misfire, check firing probe
contact and clean if necessary to assure proper operation.
11
Report misfires, hangfires, and other malfunctions in accordance with
unit safety SOP.
3-2.1