WASTE WATER VACUUM TANK TRAILER
Tool Kit, General Mechanic's, Automotive (WP
MOS 77W, Water Treatment Specialist
Tank empty, at atmospheric pressure
Tank cleaned and sanitized
Engine shut off
Ignition key removed
Emergency stop button pushed in
Emergency brake set
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.
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.