TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 394 of 775
TM 9-2350-311-10
2–21 FORDING
The following procedures are for fording.
1
If time permits, add water to hull subfloor and check for leaks in hull plates and drain plugs of
M109A4/M109A5 howitzers only. If leakage occurs, notify unit maintenance.
2 Assure hull plates are installed prior to fording operation. Do a lubrication on components exposed to
water following the operation (Appendix G). Especially check wheel hub sight gages for water
contamination.
2–22 EMERGENCY PROCEDURES — NUCLEAR, BIOLOGICAL, AND CHEMICAL (NBC)
DECONTAMINATION
a. General
Keep M25A1 mask and Mission-Oriented Protective Posture (MOPP) gear on until the
supervisor specifies “ALL CLEAR” in accordance with local procedures.
The M13 Decontaminating Apparatus Kit contains DS2 decontaminating solution which is
corrosive and gives off toxic fumes. Protective clothing and eye protection must be worn
when handling DS2. It can severely burn the skin, cause blindness, or deteriorate the
battledress and chemical protective overgarments. Do
confined spaces, or allow it to touch skin or clothing.
Apparatus Kit on the interior of the vehicle.
When using any decontaminating spray, use care to
clothing. it may cause personal injury.
not use DS2 near an open flame, in
Do not use M13 Decontaminating
avoid letting spray contact skin or
NBC contaminated gas and particulate filters must be handled using adequate precautions
(FM 3-3) and must be disposed of in accordance with local procedures.
The expended M13 Decontaminating Apparatus Kit components must be disposed of in a
sealed container outside the vehicle in accordance with local procedures.
During refueling and servicing operations, wear leather gloves (item 15, Appx D) over
MOPP gloves to prevent injury due to deterioration of MOPP gloves from contact with
petroleum products.
When using the DS2 decontaminating solution on the vehicle exterior, avoid spraying the vision
blocks. It may damage electrical or optical components.
2-288
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