TM 9–2350–311–20–2
3–22
Change 3
3–3
TROUBLESHOOTING CHART — CONTINUED
b.
CANNON — CONTINUED
(4)
CANNON DOES NOT RETURN TO BATTERY.
INITIAL SETUP
Tools
Artillery and turret mechanic’s tool kit
(SC 4933–95–A12)
Hose (item 2.2, Appx H)
Personnel Required
2
References
TM 9–2350–311–10
Check recuperator assembly nitrogen pressure
(para 19–2).
Is recuperator assembly pressure 700
±
25 psi (4827
±
172 kPa)?
A
yes
no
Service recuperator with
nitrogen (para 19–2).
Measure recuperator pins (inside and outside)
(TM 9–2350–311–10).
Do all recuperator pins protrude 1/4 to 3/4 inch (6.35 to
19.05 mm)?
B
Check cannon for obstructions.
Is cannon free from obstructions?
yes
no
Clear obstructions and-
verify fault is corrected.
Continue normal opera-
tions.
C
yes
no
Service recuperator with
hydraulic fluid (para 19–2).
CONTINUED ON NEXT PAGE