Leach 2R-III, Maintenance Manual

Page: 64 / 168

54 Preventive Maintenance
Maintenance Recommendations
The packer/carrier assembly should be visually inspected every forty (40) hours of operation for
cracked or fatigued welds, loose or broken fasteners, worn bearings, pin hubs or pins. The four (4)
torque tube bearing straps should
be lubricated a minimum of every forty (40) hours of operation.
Monthly Preventive Maintenance
Lifting Hook
A thorough inspection of any container lifting hook should be completed once a month consisting of
checking for distortion, cracks, nicks, wear, latch engagement and secure end connections. Maximum
distortion allowable is an 8 percent increase in the throat dimension or a 10-degree twist in the hook.
Cracks, nicks and wear must not exceed 10
percent of any dimension.
Visually inspect before each use for obvious damage.