TM 9-6920-430-14
Table 3-2. Proof Test Equipment Preventive Maintenance Checks and
Services (Continued)
B – BEFORE OPERATION
D - DURING OPERATION
A - AFTER OPERATION
ITEM
SEQ
NO.
PROCEDURE
CORRECTIVE ACTION
B
D
A
M
4
CHECK DATE OF INITIAL PROOF
IF MORE THAN 5 YEARS OLD, DO
TEST ON METAL TAG AT END OF
NOT USE; REPLACE.
FLEXIBLE HOSE (1).
5
CHECK DATE OF LAST PROOF TEST
IF DATE IS MORE THAN 6 MONTHS
MARKED ON EMBOSSED TAPE ON
PAST, PERFORM PROOF TEST AND
FLEXIBLE HOSE (1)
LOG DATE (PARA 3-6 THRU 3-9)
6
CHECK CONDITION OF REMOTE
REPLACE IF DAMAGED OR
CONTROL CABLE AND CONTROL
DEFECTIVE.
BOX (3) FOR VISIBLE DAMAGE OR
BREAKAGE
7
CHECK CONDITION OF CROSS FIT
REPLACE IF DAMAGED.
TING (4) FOR EVIDENCE OF
THREAD DAMAGE
8
REMOVE PRESURE TRANSDUCER
REPLACE IF DAMAGED.
ASSEMBLY (5) FROM STORAGE
BOX AND CHECK FOR EVIDENCE OF
HAVING BEEN DROPPED OR
OTHERWISE MISHANDLED
9
CHECK CALIBRATION DUE DATE
AS SHOWN BY STICKER OR TAG
IF PAST CALIBRATION DUE DATE
DO NOT USE. PRESSURE
ON PRESSURE TRANSDUCER
TRANSDUCER ASSEMBLY MUST
ASSEMBLY
BE CALIBRATED.
10
WHEN STORING PRESSURE
TRANSDUCER ASSEMBLY, BE
SURE THAT PROTECTIVE COVERS
ARE TIGHTLY SECURED
M1416954A
Change 3
3-15