Edge/Edge Blanket Operating Principles
5-1
Chapter 5
OPERATING PRINCIPLES
In order to maintain and troubleshoot the Edge or the Edge Blanket spreader/feeder safely and effectively,
it is necessary to understand how the unit works. This chapter is divided into three operating systems
and a review of how these systems are controlled in order to feed and spread flatwork:
5.1 Electrical System
5.2 Compressed Air System
5.3 Mechanical System
5.4 Sequence of Operation
Electrical System: This section reviews incoming power requirements, how power is
distributed throughout the spreader/feeder and the controls, sensors
and switches operating the unit.
Compressed Air System: This section reviews compressed air requirements, how air is
distributed throughout the unit, and the controls and mechanisms
operating the pneumatic system.
Mechanical System: This section reviews the drive mechanisms which power all rotating
and moving parts, how they move items through the unit to deliver
spread sheets to the ironer.
Sequence of Operation: This section provides a step-by-step guide to the unit’s 6 phases
of operation: Stand-By, Start-Up, Input, Transfer, Spread and
Discharge. In addition, it will react to various error conditions.
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