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.
128
Procedure
Step 1
Replace the electromagnetic valve of the fire cylinder with a camshaft device.
Figure 5-56
Installing the camshaft device
(1) Camshaft device
Step 2
Move the fire cylinder onto the platform scale and record the weight reading.
Step 3
Connect the fire cylinder with the extinguishant charging cylinder and nitrogen cylinder.
Figure 5-57
Connecting cylinders
Step 4
Set the counterweight to the fire cylinder weight reading plus the weight of fire extinguishant
to be charged, put on the handle for the camshaft rod and push the rod downwards, as shown
in
. Then open the fire cylinder valve, and adjust the platform scale to make it
balanced.