BOOM ASSEMBLY WEAR PLATES REPLACEMENT
THIS WORK PACKAGE COVERS
Style A Wear Plate: Removal, Installation
Style B Wear Plate: Removal, Installation
Style C Wear Plate: Removal, Installation
Tools and Special Tools
Tool kit, general mechanics (Item 31, WP 0204 00)
Wrench, torque, 15-75 lb-ft capacity (Item 42, WP
Rag, wiping (Item 22, WP 0203 00)
Tag, marker (Item 28, WP 0203 00)
Washer, lock (P/N 920098.009) (4)
WP 0099 00
WP 0198 00
Boom and tophandler lowered to transport position
After initial 100 hours of RTCH operation, torque of boom assembly wear plates must be checked.
Wear plates are used on the boom assembly between sliding components as opposed to using lubrication grease and
Spacer blocks and spacers are used with boom wear plates and need to be replaced to maintain proper spacing between
boom sliding assemblies.
Wear plates are inspected at semi-annual intervals and must be maintained in good working order for the boom assembly
to function properly.
There are three styles of wear plates used on the boom assembly: style A, B, and C. One wear plate for each style is
replaced in this work package.
Appropriate notes and access procedures are included for removal and replacement of each style wear plate as applica-
The fixed boom uses four style A wear plates at the front. The extending boom uses four style A wear plates at the rear.