TM 10-4630-207-13&P
OPERATOR MAINTENANCE
WASTE WATER EVACUATION TANK TRAILER
NSN 4630-01-513-8155
OIL CATCH MUFFLER
INSPECT, SERVICE
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanic's, Automotive (WP
MOS 77W, Water Treatment Specialist
Materials/Parts
Equipment Condition
Gloves, Work (WP 0089 00, Table 2, Item 5)
Engine shut off
Pipe Sealant (WP 0091 00, Item 27)
Tank at atmospheric pressure
Rags, Wiping (WP 0091 00, Item 28)
REPLACE
To replace the oil catch muffler, proceed as follows:
NOTE
If the oil catch muffler is being removed as part of the engine/vacuum
pump skid removal, do only steps 5., 7., and 8., to remove it, and steps
9., 10., and 11 to install.
1. Drain oil catch muffler (figure 1, item 1) by opening the drain valve (figure 1, item 4) and drain
contents into an approved container.
2. Remove the drain hose (figure 1, item 2) from the hose nipple (figure 1, item 3) at the drain valve
(figure 1, item 4). Retain removed items if serviceable.
3. Using a pipe wrench remove hose nipple (figure 1, item 3) from the drain valve (figure 1, item 4).
4. Remove the drain valve (figure 1, item 4) from the oil catch muffler (figure 1, item 1).
5. Loosen the hose clamp (figure 1, item 5) on the breather hose (figure 1, item 6), and remove hose
from oil catch muffler (figure 1, item 1).
6. If breather hose (figure 1, item 6) must be replaced, loosen hose clamp (figure 1, item 7) securing
breather hose to vacuum pump port (figure 1, item 8) and remove hose from pump.
0033 00-1
