This excerpt from the user's manual can explain the problem of your hinge.
"...00 clock + = After elapsed A beep will sound for the time that can be turned off by pressing any key (except the and keys). Changing and deleting data The stored data can be deleted at any time by pressing the corresponding key and pressing the or key. Cleaning the door Clean the door glass of the WHIRLPOOL AKZ 4770 MB oven or any door safety device or hinge with a mild detergent and a non-abrasive sponge...."
WHIRLPOOL AKZ 4770 MB, AKZ 4770 90, AKZ 4770 950, AKZ 4770 9100, AKZ 4770 9150, AKZ 4770 9200
Manufacturer's part price is £10.82 Discount for bulk (starting at 10 units), £10.47 per unit
This manufacturer part is recomended by WHIRLPOOL, which gives it a 10/10 rating.
This spare part is recommended for your WHIRLPOOL AKZ 4770 MB oven .
All spare parts are new and come with a 1 year warranty
① Carefully check your WHIRLPOOL oven's product number
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