FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
5 Components Replacement
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
127
Figure 5-55
Removing the safety pin
4.
Reinstall and tighten all screws.
----End
Follow-up Procedure
Dispose of the removed fire cylinder that is confirmed faulty.
5.4.9 Charging Extinguishant
Prerequisites
The fire cylinder has passed the air-tightness test.
Tools and materials are ready.
All tools and materials except the camshaft device are provided by the charging station.
Extinguishant needs to be charged in the charging station.
Preparations
Tools: platform scale, hose with a pressure tolerance greater than 2.5 MPa, gate valve,
camshaft device, pipe wrench, adjustable wrench
Materials: extinguishant charging cylinder with sufficient extinguishant, nitrogen cylinder
with sufficient nitrogen
Documents: fire extinguishing device installation position diagram (standard)
Skill requirement: fire engineer