Texas Belting & Supply, Inc.
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Belt Failure
Troubleshooting
Guide

Diagnose V-belt, timing belt, and conveyor belt failures fast — with root cause analysis frameworks, corrective actions, and preventive maintenance checklists used by maintenance technicians and reliability engineers.

8-Page PDF Free Download All Belt Types Field + Engineering Level
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Written by Industry Specialists
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Covers All Major Belt Types

What's Inside the Guide

Eight pages of practical diagnostic content — built for both the technician on the floor and the engineer reviewing root causes at a desk.

01
Why Belts Fail
The five primary failure categories that account for the vast majority of premature belt failures — and why the belt is rarely the root cause.
Introduction
02
V-Belt Diagnostic Matrix
9 common failure symptoms with likely causes and step-by-step corrective actions. Covers tension, alignment, sheave wear, oil contamination, and more.
Section 1
03
Timing Belt Diagnostic Matrix
8 failure modes including tooth shear, backing delamination, tracking issues, and profile compatibility warnings that cause immediate failure.
Section 2
04
Conveyor Belt Diagnostic Matrix
9 conveyor-specific failure symptoms covering tracking, splice failure, cover wear, ply separation, and tension measurement methods.
Section 3
05
Root Cause Analysis Framework
A structured 4-step RCA process including a system inspection table and a worked 5-Why example tracing a snapped V-belt back to missing standard work.
Section 4
06
PM Checklists + Symptom Index
Daily, weekly, monthly, and quarterly inspection tasks for all three belt types — plus a quick-reference symptom index for fast field lookup.
Sections 5–7

Failure Patterns by Belt Type

The guide covers the three most common industrial belt types. Click each tab to see sample failure symptoms covered.

  • Belt slipping or squealing — undertension or worn sheave grooves
  • Cracking on belt sides — ozone degradation or small sheave diameter
  • Belt running hot — overtension or slip from undertension
  • Rapid flank wear — angular misalignment or groove wear
  • Oil contamination causing belt swelling — leaking seals
  • Uneven wear across belt set — mismatched belts or groove spacing
  • Tooth shear or ratcheting — profile mismatch or undertension
  • Backing delamination — tensile cord fatigue or backside idler too tight
  • Noise (chirp or whine) — undertension or shaft misalignment
  • Uneven tooth wear on one side — angular misalignment or flange contact
  • Premature pitch length change — operating beyond rated load
  • Tensile cord breakage — overtension or bent past minimum radius
  • Belt running off-center — tail pulley misalignment or off-center loading
  • Excessive top cover wear — abrasive material or wrong cover grade
  • Splice separation — improper technique or overtension
  • Cover blistering — chemical or heat attack at transfer point
  • Ply separation — water infiltration or impact damage at load zone
  • Belt stretching beyond take-up range — tensile carcass fatigue

A Reference You'll Actually Use

Designed to work in the field and at the desk. The diagnostic matrices put symptom, cause, and fix on the same row so you're not flipping between pages under pressure.

Symptom → Cause → Fix in one table No hunting across chapters. Each diagnostic matrix gives you all three columns side by side.
Works for technicians and engineers Field-level observations and engineering-level root cause analysis in the same document.
Print it and keep it near the equipment Clean layout designed for printing. The symptom index on the last page is your fast-lookup cheat sheet.
Covers the failures most teams miss Including profile mismatch on timing belts, matched-set errors on V-belts, and tracking technique on conveyors.
8 Pages
Texas Belting & Supply, Inc.
Free Download
Belt Failure
Troubleshooting
Guide
Diagnose. Correct. Prevent.
V-Belts · Timing Belts · Conveyor Belts

Who This Guide Is Written For

🔧 Maintenance Technicians
You need to know what's wrong with the belt in front of you right now. The diagnostic matrices and symptom index give you fast, practical answers without engineering jargon — so you can make the right call on the floor and get the line back up.
📐 Reliability Engineers
You need to stop the same failure from recurring. The root cause analysis framework, 5-Why worked example, and system inspection checklist give you a structured approach to identify what's actually causing the failure — not just the belt that broke.

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Texas Belting and Supply, Inc.
Houston, TX · Nationwide Distribution · 70,000+ Products In Stock
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