QA/QC Repair Procedures

Our before & after repair strategy ensures every component leaves our facility meeting or exceeding OEM specifications.

Our Repair Standard

 

Every component that passes through HME Parts Africa follows a strict QA/QC procedure. From initial inspection through to final testing and documentation, we apply OEM-aligned processes across all nine component categories.

01  Transmissions

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Dismantle planetary sections and clutch packs

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Inspect clutch plates, modulating valves, and solenoids

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Check input shafts and gears for wear or damage

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Replace worn parts with genuine OEM components

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Crack test all critical components

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Dyno test to OEM specifications

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Complete documentation and prepare for shipping

02  Cylinders

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Wash and fully dismantle the cylinder assembly

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Separate rod from barrel and measure barrel tolerances

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Check rod straightness and surface condition

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Grind and re-chrome rod to OEM specification

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Load test assembly under operating pressure

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Fit new genuine seals and bushes

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Complete documentation and prepare for shipping

03  Undercarriage

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Measure track pitch, pin diameter, and link dimensions

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Check grouser bar height against OEM compliance data

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Line bore worn components to specification

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Harden replacement pins and bushes with nitrogen gas

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Assemble with track press to OEM tolerances

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Torque pad bolts to OEM specifications

04  Engines

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Inspect induction and air inlet systems

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Check exhaust and muffler condition

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Verify oil, fuel, and coolant levels and quality

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Record idle RPM (high, low, stall) at operating temperature

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Inspect turbo, cooling system, and all ancillaries

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Install turbo timer and complete final documentation

05  Differentials

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Pre-wash inspection prior to dismantling

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Fully dismantle and assess all internal components

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Evaluate crown wheel and pinion gears for wear

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Order and fit genuine OEM replacement parts

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Reassemble and conduct load testing

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Complete documentation and prepare for shipping

06  Boom & Stick

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Measure track pitch, pin diameter, and link dimensions

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Check grouser bar height against OEM compliance data

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Line bore worn components to specification

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Harden replacement pins and bushes with nitrogen gas

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Assemble with track press to OEM tolerances

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Torque pad bolts to OEM specifications

07  Wheel Hub & Final Drive

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Pressure clean all components thoroughly

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Inspect spindle and brake pack condition

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Machine bearing areas to correct tolerances

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Replace planetary gears, ring gears, and duo-cone seals

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Assemble and pre-test under load conditions

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Send loading report to customer prior to shipping

08  Torque Converters

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Disassemble all housings and internal components

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Inspect stator, impeller, and all rotary parts

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Replace charge pump with genuine OEM components

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Reassemble to OEM specifications

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Bench test under operating conditions

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Complete documentation and prepare for shipping

09  Buckets

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Build from OEM drawings using hardox material

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Line bore all pivot points to specification

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Fit OEM adaptor kits and wear packages

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Weld using CO₂ welding procedures

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Fit protective shrouds and heel shrouds

Spares & Components for Earthmoving, Mining and Construction Equipment 3

Sandblast and apply final paint finish