Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.3 Cleaning the slotted diffuser
© Copyright 2021 ABB. All rights reserved.
HZTL4033_EN
Rev.I
November 2021
u
Tighten screws (81272) alternately and evenly. Observe tightening torque
Screw
Tightening torque [Nm]
81272
20
Table 15: Tightening torque (81272)
u
Fit the lock nuts (81273) on the screw (81272). Observe tightening torque.
Lock nut
Tightening torque [Nm]
81273
40
Table 16: Tightening torque (81273)
u
If present: Fit the filter ring (81265)
(see Fig. 26: Cleaning the filter silencer
.
7.3
Cleaning the slotted diffuser
u
Removing the compressor casing
).
Fig. 28: Cleaning the slotted diffuser
u
Clean the diffuser slots (S).
When cleaning, please note that this should only take place using lightly pressurized air, a
brush and a moist cleaning cloth.
u
Have any heavily contaminated or damaged diffusers replaced by an ABB Turbocharging
Service Station.
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Summary of Contents for HT608501
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