TM-5-5420-279-10
BRIDGE MODULE -
PARALLEL MODULE -
FATIGUE MONITOR
10.12.1.1
This task covers:
a. Inspection
Tools Required
None.
Equipment Conditions
Bridge module open on a raised flat surface.
NOTE
Fatigue monitors are only fitted to parallel modules.
10.12.3.1
Examine the fatigue monitor located centrally on the inner face of each parallel
panel.
10.12.3.2
If a crack has developed between the two holes in a monitor, this indicates that the
bridge module is within 1000 full load crossings of its design life.
10.12.3.3
If the monitor has cracked across its whole length, the bridge module has reached
the end of its useful design life; it must be taken out of service.