TM 9-2350-222-10-3
TROUBLESHOOTING Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
14. 165-MM GUN DOES NOT ELEVATE OR DEPRESS SMOOTHLY IN POWER OR
DOES NOT OPERATE IN POWER - Continued
Step 4. Check hydraulic fluid level in accumulator (page 3-254).
If fluid level is low, add fluid and turn on ELEV/TRAV POWER switch.
Step 5. Listen for operation of electric motor below accumulator. If electric
motor runs longer than 15 seconds, make sure BATT GEN
INDICATOR (driver's master panel ) pointer is in green with
engine running.
a. If pointer is in yellow or left red, see symptom 7 (page 3-20).
b. If pointer is in right red, see symptom 8 (page 3-21 ).
c. If BATT GEN INDICATOR pointer is in green with engine
running, notify organizational maintenance of hydraulic power
pack problem.
NOTE
If required, continue to operate with manual elevation after
turning off turret power.
15. 165-MM GUN DOES NOT ELEVATE OR DEPRESS SMOOTHLY OR DOES NOT
OPERATE MANUALLY
Step 1. Check if manual elevation control handle can be rotated further in
depression after gun is at maximum depression.
If handle can be rotated, continue rotation in depression until it can
no longer be rotated.
Step 2. Elevate gun manually.
If gun does not elevate smoothly or does not elevate, check pressure on
equilibrator system pressure gage (page 3-260).
TA132860
