Job card
WHWH-SULEP-ASS
Machine class
Wheel Loader
Method
Surface Mining
Site area
Lephalale, Waterberg, Limpopo
Fleet Surface Mining Wheel Loader HVAC Service in Lephalale
Wheel Loaders working surface mining around Lephalale carry a specific thermal problem: short-cycle loading with constant direction changes and engine-bay heat soak. Surface mining operations run wide, dispersed fleets across multiple pits, which makes mobile in-field HVAC capability more valuable than workshop-only capacity. Evaluation intent. A full fleet HVAC audit quantifies risk, parts exposure and expected downtime before committing to a maintenance contract.
What the hvac service covers
Compressor drive, belt and tensioner overhaul
Engine bay airflow and shrouding correction
System flush and component replacement after failure
Drain, seal and condensate management
Failure modes we expect on this machine
- Compressor drive belt glazing and tensioner collapse
- Hot-air recirculation in the rear engine bay
- Expansion valve contamination after a compressor failure
- Blocked evaporator drains flooding the cab floor
Heat gap analysis · Lephalale
41°C
Ambient in pit
20°C delta to hold
21°C
Required cab temp
A system that has lost even 15% of its condenser capacity cannot bridge a 20°C gap. That is why fouled cores and marginal charge levels present as complete cooling failure on a Lephalale bench, and why we verify every repair with a measured delta-T under load rather than a gauge reading at idle.
Lephalale logistics
Our workshop and parts store is in Lephalale, so common compressors, driers, hoses and blower assemblies are held locally. In-pit units are dispatched from town, and most breakdowns are attended the same shift.
Large-scale open-cast coal, overburden stripping fleets, dragline support plant, power station coal handling and the contractor fleets that service them.
Questions about this work in Lephalale
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