TM 10-3930-675-24-2
BOOM ASSEMBLY WEAR PLATES REPLACEMENT - CONTINUED
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GENERAL
1.
Wear plates are used on the boom assembly between sliding components as opposed to using lubrication grease and
grease fittings.
2.
Spacer blocks and spacers are used with boom wear plates and need to be replaced to maintain proper spacing between
boom sliding assemblies.
3.
Wear plates are inspected at semi-annual intervals and must be maintained in good working order for the boom assembly
to function properly.
4.
There are three styles of wear plates used on the boom assembly: A, B, and C. One wear plate for each style is replaced
in this work package.
5.
Appropriate notes and access procedures are included for removal and replacement of each style wear plate as applica-
ble.
6.
The fixed boom uses four style A wear plates at the front. The extending boom uses four style A wear plates at the rear.
7.
An illustration is provided below to aid in identifying location and style of each wear plate.
A
B
C AND D
B
A
REAR
B
FRONT
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