Table 2-1. Operator Preventive Maintenance Checks and Services for Model TWDS20 - cont.
NOT FULLY MISSION
ITEM TO CHECK/
Inspect for collapsed, crushed or
Crossing guard crushed,
damaged roadway crossing guards.
smashed or bent onto
a. Check security of hose saddles,
Support cables or tie
support cables and tie downs
downs loose, broken or
b. Inspect suspended hoseline for
cuts, tears and abrasions at hose
Hoses cut or torn.
saddles. Saddles should be spaced
five feet apart for correct hose line
a. Inspect valve body for cracks and
Valve body cracked or
loose or missing attaching
b. Inspect for cracked welds and bent
Coupling clamps missing,
or twisted components on skid
cracked or broken.
c. Inspect for missing, loose or
damaged coupling clamps
d. Check that bypass valves
Bypass valves stuck or
a. Inspect body of pressure relief
Valve cracked or broken.
valve for cracks.
b. Check for open, cracked or broken