TM 10-4630-207-13&P
UNIT MAINTENANCE
WASTE WATER VACUUM TANK TRAILER
NSN 4630-01-513-8155
ISOLATION VALVE
INSPECT, REPLACE
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanic's, Automotive (WP
MOS 77W, Water Treatment Specialist
Materials/Parts
Equipment Condition
Tank empty, at atmospheric pressure
Tank cleaned and sanitized
Engine shut off
Ignition key removed
Emergency stop button pushed in
Wheel chocked
Emergency brake set
INSPECT
WARNING
Protective clothing and equipment must be worn. A heavy-duty rubber apron,
rubber gloves, respirator, safety splash goggles and/or face shield are
required when potential exists for contact with wastewater or contaminated
surfaces. Wastewater and surfaces may be contaminated with pathogenic
microorganisms, bacteria or viruses, which present a risk of serious illness or
death to personnel. Refer to cleaning and sanitizing procedures in WP 0018
Inspect the upper air hose connection on the isolation valve. Check for evidence of leaks. Tighten hose
clamp as necessary.
REPLACE
To replace the isolation valve, proceed as follows:
1. Loosen and remove the valve handle mounting bolt (figure 1, item 1).
2. Remove valve handle (figure 1, item 2) from valve stem.
0032 00-1