
Maintain Equipment and Work Area
• Understand service procedures before doing work. Keep
area clean and dry.
• Never service equipment while it is operating. Keep hands,
feet, and clothing away from moving parts.
• Keep your equipment in proper working condition. Replace
worn or broken parts immediately.
ST-0003–1
Prevent Roof Damage Due to Vacuum Pressure
• Roof damage can result from excessive vacuum or internal
pressure from fans or other air moving systems. The manu-
facturer does not warrant this type of roof damage.
• Adequate ventilation or “makeup air” devices must be pro-
vided for all powered air handling systems.
• The manufacturer does not recommend the use of down-
ward flow systems (suction).
• Severe roof damage can result from any blockage of air
passages.
• Operating fans during high humidity or cold weather condi-
tions can cause air exhaust or intake ports to freeze.
ST-0028–2
8
PNEG-2077
TopDry – Platforms and Bin Stairs