TM-3-1040-279-12-P
GENERATOR SET, SMOKE, MECHANICAL: PULSE JET, M157 W/120 GAL FOG OIL TANK AND W/80 GAL FOG OIL TANK
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST AND DEPOT MAINTENANCE REPAIR PARTS
MAY 1987
TM-3-1040-279-12-P - Page 252 of 389
TM 3-1040-279-12&P
4-46 WATER MANIFOLD ASSEMBLY.
This task covers installation and use of Water Manifold Assembly.
INITIAL SETUP
Tools
General Mechanic’s Automotive Tool Kit
SC 5180-90-N26
Materials
Rags (Item 11, App E)
Equipment Condition
Vehicle engine running and M157 system is
fully mission capable.
General Safety Instructions
Ensure a fully charged fire extinguisher is on
hand for possible use.
If used indoors, ensure vehicle exhaust and
M54 Smoke Generator exhaust is vented to
the outside.
Ensure that proper hearing protection is worn.
INSTALLATION
1.
Ensure water manifold assembly (Fig. F-29) (1) adapters and connectors are securely connected
and fastened together, ensure fluid valve (2) is completely closed.
2.
Connect water delivery hose with an attached garden hose male thread adapter (3) to the water
manifold assembly bushing adapter (4). Connect other end of water delivery hose to the water
source. Length of the water delivery hose can vary depending on site layout, facilities, motor pool
area, etc.
3.
4.
Remove cap nut (5) from water manifold assembly and retain for later use.
Remove fog oil tube assembly elbow (6) from the tested M54 Smoke Generators (10) cover
assembly fog oil tube nipple (7). Position fog oil tube assembly (8) so that water manifold male
thread tube reducer (9) can attach to the female thread elbow (6) and connect the two together.
5.
Connect retained cap nut (5) to the cover assembly’s fog oil tube nipple (7) and tighten to prevent
any fog oil from escaping. This will ensure that when FOG OIL switch on control panel is placed in
the START, RUN position that the FOG OIL indicator light will come on.
6.
Start up the M157 Smoke Generator System for normal operation (P. 2-10.6), start the M54 Smoke
Generator (10) being tested and when the control panel SMOKE TEMP indicator reads in the
GREEN temperature range, turn on the water supply source and slowly open fluid valve (2).
7.
Regulate opening/closing of fluid valve (2) so that the tested M54 Smoke Generator (10) operating
temperature stays in the GREEN range.
4-184
Change 4
NOTE
Water manifold assembly can be used to test the proper operation of the
M157 Smoke Generator System’s M54 Smoke Generator without the use of
fog oil. This is done by supplying water into the M54 Smoke Generator
combustion chamber. Water from a commercial/industrial water pressurized
source via a garden hose or equivalent is used for the following procedure.
Back to Top
