TM 10-4630-207-13&P
UNIT MAINTENANCE
WASTE WATER VACUUM TANK TRAILER
MOISTURE TRAP
NSN 4630-01-513-8155
REPLACE
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanic's, Automotive (WP
MOS 77W, Water Treatment Specialist
Materials/Parts
Equipment Condition
Apron, Rubber (WP 0089 00, Table 2, Item 1)
Tank empty, at atmospheric pressure
Face shield (WP 0089 00, Table 2, Item 3)
Tank cleaned and sanitized
O-ring (WP 0091 00, Item 24)
Engine shut off
Pipe Sealant (WP 0091 00, Item 27)
Ignition key removed
Rags, Wiping (WP 0091 00, Item 28)
Emergency stop button pushed in
Respirator (WP 0089 00, Table 2, Item 8)
Wheel chocked
Splash goggles (WP 0089 00, Table 2, Item 6)
Emergency brake set
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
REPLACE
To replace the moisture trap, proceed as follows:
NOTE
If moisture trap is being removed as part of the engine/vacuum pump skid removal,
perform only steps 1., 6., and 7., to remove it and steps 15., 16., and 22 to install.
1. Loosen the hose clamps (figure 1, item 1) on the pump air hose (figure 1, item 2) and upper air
hose (figure 1, item 3) and remove the hoses from the nipples (figure 1, item 4). Retain hose
clamps on the hoses.
2. Using a pipe wrench remove the nipples (figure 1, item 4) and elbow fittings (figure 1, item 5) from
the moisture trap. (The nipples and fittings may also be removed as an assembly, as required.
0031 00-1
