TM 10-3530-207-14
Table 2-1. Operator Preventive Maintenance Checks and Services for Model TWDS20 - cont.
ITEM
INTERVAL
LOCATION
PROCEDURE
NOT FULLY MISSION
NO.
ITEM TO CHECK/
CAPABLE IF:
SERVICE
5
Before
Check Valves
a. Make sure valves are Installed
Valve not installed
properly. Arrow on valve body
properly or valve body
must be pointing away from pump
cracked. Coupling clamp
(downline).
Damaged.
b. Inspect for cracked valve body.
c. Inspect for open, cracked or
broken coupling clamps
6
Before
Pressure Relief
a. Inspect for cracked valve body
Valve body cracked.
Valves
b. Inspect for missing, loose or
Clamps missing or
damaged coupling clamps
damaged
7
Before
Discharge Hoses a
a. Inspect hoses for cuts, tears and
Hoses cut or torn.
deep abrasions.
b. Inspect for open, cracked, or
Coupling clamps cracked
broken coupling clamps.
or broken
c. Check for and straighten kinked
hoses.
2-12
