A-Center Frame, 10 Hour Interval for 13 Fitting Locations
| B-Inner to Outer Boom Hinge, 50 Hour Interval for 5 Fitting Locations Each Side
| C-Outer to Breakaway Boom Hinge and Chain Pivot, 50 Hour Interval for 2 Fittings Locations Each Side
| D-Lift Arms, 50 Hour Interval for 5 Fitting Locations Each Side
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