Maintenance
12 questions
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- CQ-015What are the signs of corrugation in a crane sheave groove?
- CQ-022How often should swing bearing bolts be torqued on crawler cranes?
- MAIN-401What is the discard criteria for bird-caged wire rope?
- MAIN-402How do you measure sheave groove wear using a gauge?
- MAIN-403Why does crane hydraulic fluid turn milky?
- MAIN-404How often should slewing ring bolts be torqued on tower cranes?
- MAIN-405What are the signs of brittle fracture in cranes operating in extreme cold?
- MAINT-001How often should I torque the bolts on a crane slewing ring?
- MAINT-002What causes 'milky' hydraulic fluid in a crane reservoir?
- MAINT-003How to check for 'corrugation' in crane sheave grooves?
- MAINT-004Signs of steel fatigue in a lattice boom after 20 years of service?
- MAINT-005How does sub-zero temperature affect crane hydraulic fluid viscosity?