Assembly Instructions / Power2 500-M
2 Safety / 2.3 Occupational safety
© Copyright 2020 ABB. All rights reserved. HZTL455311P0009_EN Rev.A July 2020
u When performing welding work in the vicinity of the low-pressure stage, always cover the
filter silencer to prevent the filter mat from being damaged.
u Keep flammable objects and substances out of the vicinity of flying sparks.
u Cover all connections on the low-pressure and high-pressure stage so that no foreign ob-
jects can enter the low-pressure or high-pressure stage.
Mechanical hazards when working on the low-pressure and high-pressure stage
WARNING
Physical hazards due to rotating parts
The rotor can rotate due to the stack draught alone. Contact with rotating
parts can cause severe injury.
u Secure rotor against turning.
WARNING
Mechanical hazard
Severe injuries to personnel or fatal accidents can be caused by mechanical
influences as a consequence of hazardous and inadequate operational pro-
cedures.
u Observe the general rules for occupational safety and prevention of acci-
dents.
u Ensure workplace safety.
u Only perform operations that are described in this chapter.
u Only perform operations for which you have previously received instruc-
tion or training.
Hazards due to operating materials and supplies
Operating materials and supplies can include: Oils, greases, coolants, cleaning agents and
solvents, acids or similar substances.
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