Cleaning The Slotted Diffuser; Fig. 28: Cleaning The Slotted Diffuser; Table 15: Tightening Torque (81272); Table 16: Tightening Torque (81273) - ABB HT608784 Operation Manual

Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.3 Cleaning the slotted diffuser
Tighten screws (81272) alternately and evenly. Observe tightening torque
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Screw
81272
Table 15: Tightening torque (81272)
Fit the lock nuts (81273) on the screw (81272). Observe tightening torque.
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Lock nut
81273
Table 16: Tightening torque (81273)
If present: Fit the filter ring (81265)
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7.3

Cleaning the slotted diffuser

Remove the diffuser (see
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Fig. 28: Cleaning the slotted diffuser
Clean the diffuser slots (S).
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When cleaning, please note that this should only take place using lightly pressurized air, a
brush and a moist cleaning cloth.
Have any heavily contaminated or damaged diffusers replaced by an ABB Turbocharging
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Service Station.
© Copyright 2021 ABB. All rights reserved.
(see Fig. 26: Cleaning the filter silencer
Removing the compressor casing
HZTL4033_EN
Tightening torque [Nm]
20
Tightening torque [Nm]
40
→54).
→81).
Rev.I November 2021