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Using a vernier caliper, measure the inside diameter of the brake drum. This is critical because the diameter must meet the specifications for the brake shoes to fit properly. Measure in several places around the drum to ensure accuracy, as wear can cause irregularities. Record the largest measurement.
how to measure brake drums

टायर की अगली जगह पर ध्यान केंद्रित करें। अब, टायर को हटाएं और सीधे ड्रम ब्रेक के भीतर देखें। आप यह पाएंगे कि ब्रेक shoe और ड्रम के बीच एक गैप है। इस गैप को समायोजित करना महत्वपूर्ण है। पहले, एक टॉर्क रिंच का इस्तेमाल करना, ब्रेक shoe पर मौजूद समायोजन पेंच को खोजें।
how to adjust drum brakes with tire on

Brake drums are crucial components in certain vehicle braking systems, particularly in older vehicles, heavy-duty trucks, and some industrial machinery. The brake drum works together with brake shoes to create the friction necessary to slow down or stop the vehicle. Over time, due to wear and tear, the thickness of the brake drum can decrease, which raises serious concerns about safety and performance. Therefore, understanding the minimum brake drum thickness is essential for all vehicle owners and operators.