When should you replace thermal insulation blankets? In a nutshell, when a blanket can no longer serve its intended purpose it should be replaced.
These examples should be replaced due to fire damage (photo 1) and oil contamination (photo 2). Poor-fitting blankets should be rectified or replaced to eliminate excessive gaps (photo 3).
Service Checklist – Monthly
Aletek recommends a visual condition inspection monthly as part of your ongoing fire mitigation strategy.
- Examine thermal blankets for damage
- Inspect blankets for the presence of flammable fluids
- Ensure a snug fitment is in place and maximise coverage of blankets
- Check blanket sections overlap to prevent fluids leaking into lower section (consider gravity, upper sections should overlap lower sections)
- Ensure all springs are connected and tie-wires secured
- Take condition report photos of the blankets
Service Actions
- Damaged sections should be replaced
- Assess contaminated sections (by flammable fluids) – clean or replace
- Refit loose blankets and maximise coverage of blankets
- Connect disconnected springs, replace broken or missing springs
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