(5) Blower and Canister. Check inlets and
sist of before-, during-, and after-operation services and
outlets of blower and canister for
regularly scheduled services (such as weekly). Intervals
obstructions. Check air duct hose for tears
of maintenance are based on normal operations and
or chafing. Be sure that the hose clamps
may be reduced under severe operating conditions.
form air-tight connections.
canister inlet damper is properly adjusted.
The purpose of before-operation services is to put
The canister Inlet damper,
the equipment in good operating condition. Deficiencies
must be corrected if authorized or reported on DA Form
consisting of an inlet damper (1, fig. 13)
2404 to organizational maintenance personnel for
operated by a handle (2), is set at the
correction before the equipment is placed in operation.
factory to deliver 300 cubic feet of air
a. Visual Inspection.
per minute. If damper appears to be
Inspect assemblies, sub-
improperly adjusted, report condition to
assemblies, and parts including any
organizational maintenance personnel.
Determine whether the filter unit is in good
b. Lubricant. Have reserve oil supply on hand to
condition, correctly assembled, secure, or
meet lubrication requirements for 24 hours of continuous
operation of the engine. Check crankcase and air
conditions which may result in damage to
cleaner (LO 5-2805-206-14).
the filter unit must be corrected or reported
to organizational maintenance before the
and replenish if necessary. Check for
equipment is operated.
(2) Foundation. Make certain that the filter unit
(2) Air cleaner. Check oil level in air cleaner
is on firm, level foundation.
and replenish if necessary.
(3) Overall unit. Check all parts for visible
c. Fuel. Have enough fuel on hand to permit 24
damage and be sure that assembly is
fuel consumption of engine.
to be used.
Warning. Exercise extreme care in handling
(4) Air inlet and outlet hose assemblies. Check
leaded gasoline. Accidental spilling on exposed
tightness of all connections and inspect inlet
areas of the body may cause severe skin irritation,
and outlet hose for tears or signs of chafing.
and in the case of gasoline entering an open cut,
Be sure that the inlet cover is secured to
lead poisoning may result. If gasoline is spilled on
inlet hose or vent opening of building to
body, wash off with soap and water immediately.
prevent moisture, insects. or other matter
from entering the intake system.
(1) Fuel filter. Remove fuel filter and clean as
(a) Inside operation. Be sure the
described in TM 5-2805-206-14.
engine exhaust hose assembly is
(2) Gasoline can. Measure the level of fuel in
placed downwind and away from
the 5 gallon gasoline can. Add fuel if
air inlet hose. Be sure that the air
outlet screen protects blower air
d. Engine. Perform the before operation services
outlet and that inlet hose is
on the engine as outlined in TM 5-2805-206-14.
connected to canister air inlet, not
e. Technical Manuals and Lubrication Order. Make
sure that a copy of TM 3-4240-241-12, TM 3-4240-241-
(b) Outside operation. Be sure that
20P, TM 5-2805-206-20P, TM 5-2805-206-24P and LO
the inlet hose is in as nearly a
5-2805-206-14 are with the equipment.
vertical position as possible and is
connected directly to blower air
The purpose of during-operation services is to make
should also be connected to
certain that the equipment remains in satisfactory
while being operated.
fumes from the vicinity of the inlet