TM 9-2330-326-14&P
g. Corrosion Protection (Cont.)
Kingpin and Bolster Plate:
If the kingpin is replaced, inspect the interior structure for rust. Clean and protect the interior with rust
inhibitor; do not plug up bolster plate drain holes. Make sure all welds are protected inside and out.
Inspect the kingpin and bolster plate in accordance with PMCS requirements.
Protection Scheduling:
It is a good idea to periodically take a look at the undercarriage, especially after off-road operations. The
following is suggested:
Monthy --Visually inspect the undercarriage for rust and damage. Touch up paint as required.
If operating in a salt or road chemical environment, you should inspect/protect these areas as soon as
possible and wash these areas with clean water as soon as possible after operation.
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