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9.6.1
Installation shaft/venting chamber
9.6.2
Assembling the slide-in unit
Installation and operating instructions • Wilo-Atmos GIGA-NHT • Ed.01/2023-10
DANGER
Risk of fatal injury due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Any work on electrical devices may only be carried out by a qualified
electrician.
• Before carrying out any work, disconnect the unit from the power
supply and secure it against accidental switch-on.
• Any damage to the pump connection cable should only ever be recti-
fied by a qualified electrician.
• Observe the installation and operating instructions for the pump, mo-
tor and other accessories.
• Reinstall any uninstalled safety devices, such as terminal box covers,
once the work is complete.
NOTICE
Observe the drawings in the section "Spare parts".
Fig. 25: Shaft
1.
Insert circlip 4.2A into groove at position A.
2.
Press ball bearing 4.1 up to circlip 4.2A on shaft 3.1.
3.
Insert circlip 4.2B into groove at position B.
3.1
Fig. 26: Bearing bracket
4.
Press shaft 3.1 with ball bearing 4.1 into the bearing seat of the venting chamber 5.1.
5.
Insert bearing cover 4.3 and secure with circlip 4.4.
6.
Attach pump support foot 8.1 with lock washer 8.3 and hexagon head screw 8.2 to the
venting chamber 5.1.
During the individual installation steps, always secure components against tipping! Ob-
serve the markings made on parts that belong together during dismantling
3.1
4.2A
A B
5.1
8.1
en
4.1
4.2B
4.3 4.4
8.3 8.2
33
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