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031-503-1036 (SL1) - Maintain Your Assigned Protective Mask

Standards: Maintain your assigned protective mask. Perform preventive-maintenance checks and services (PMCS) on the mask according to the applicable TM. Clean and dry the mask. Do not damage the mask. Record uncorrected deficiencies and shortcomings on DA Form 2404, and report them to the supervisor.

Conditions: You have used your assigned protective mask or must
conduct a scheduled mask inspection. 
You are given your assigned
protective mask (with authorized accessories
and components); a container of warm, soapy
water; soap; a container of warm, clear
water; cheese cloth or clean rags; a small
cleaning brush; alcohol; optical lens
cleaning compound (national stock number [NSN]
6850-00-592-3283); the applicable technical
manual (TM); Department of the Army (DA)
Form 2404; spare parts for the masks; and a
set of replacement filters (M17-series mask)
or a replacement canister. 
This task cannot be performed in
mission-oriented protective posture (MOPP)
4.

Standards:
Maintain your assigned protective mask.
Perform preventive-maintenance checks and
services (PMCS) on the mask according to the
applicable TM. Clean and dry the mask. Do
not damage the mask. Record uncorrected
deficiencies and shortcomings on DA Form
2404, and report them to the supervisor. 

Performance
Steps

WARNING:
Do not attempt to remove the hose
from the facepiece on the M42
protective mask . This may cause
leakage of toxic agents into the
facepiece

CAUTION:
Do not dunk the mask or the
carrier in water. Wash the mask
carefully so the canister and the
microphone do not get wet. Keep water
away from the inlet valve connections

CAUTION:
Ensure that all components are
entirely dry before reassembling the
mask and storing it.

Note.  Each
soldier, under the supervision of a
qualified 54B (chemical operations
specialist) or another trained person,
must care for and maintain his
protective mask.

1.   Conduct operator PMCS on the protective mask, the
carrier, the hood, and the accessories
according to the applicable TM.

a.
Identify deficiencies and
shortcomings.

b.
Correct operator
deficiencies.

c.
Record all uncorrected
deficiencies and shortcomings on DA
Form 2404, and report them to the
supervisor.

2.   Clean and dry the mask, the hood, and the
authorized accessories and components
according to the applicable TM.

3.   Replace defective components and parts according to
the applicable TM. Replace damaged and
outdated filter elements or canisters
according to the applicable supply
bulletin.

4.   Store the mask, the hood, and the accessories in
the carrier according to the
applicable TM.

5.   Perform steps 1 through 4 without damaging the
mask.

Evaluation Preparation: 

Setup:  A good time to
evaluate this task is during normal care and
cleaning of the mask. 
Place the required equipment on a
field table or another suitable surface. 
Simulate defects in the mask by
removing components from the mask or using a
defective mask not issued to the soldier.  During training and evaluation sessions, use an old set of
filters or canister several times to avoid
expending new ones each time. 
If the soldier has not made adequate
progress completing the task within 30
minutes, stop him and give him a NO GO. 
This time standard is administrative.

Brief
Soldier: Tell the soldier there is no time
standard for this task on the job; but for
testing purposes he must perform the task
within 30 minutes. 
Tell him to perform operator PMCS on
the mask, to clean and condition his
assigned protective mask, and to replace the
filters in the mask. Tell the soldier that
completing a DA Form 2404 is not part of the
task.

Performance
Measures

GO

NO
GO

1.   Conducted operator PMCS on the protective mask, the
carrier, the hood, and the accessories
according to the applicable TM.

2.   Cleaned and dried the mask, the hood, and the
authorized accessories and components
according to the applicable TM.

3.   Replaced defective components and parts according
to the applicable TM. Replaced damaged
and outdated filter elements or
canisters according to the applicable
supply bulletin.

4.   Stored the mask, the hood, and the accessories in
the carrier according to the
applicable TM.

5.   Performed steps 1 through 4 without damaging the
mask.

Evaluation
Guidance: 
Score the soldier GO if all
performance measure are passed. 
Score the soldier NO GO if any
performance measure is failed. 
If the soldier fails any performance
measure, show him what was done wrong and
how to do it correctly.

References

 

Required

Related

 

DA
Form 2404

 

 

TM
3-4240-279-10

 

 

TM
3-4240-280-10

 

 


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