Frequently Asked Questions

With more than 40 years of combined mechanical experience, the qualified technicians at Stegrah Mobile Maintenance have a wealth of experience. We're happy to pass our expert advice onto clients, and so we have compiled the answers to some of our frequently received questions below.

If you haven't found what you need here, feel free to speak to our knowledgeable team over the phone.
What is involved in routine inspection and maintenance for a crane?
Monthly or yearly crane inspections completed by our mobile mechanics generally involve inspecting the following areas:
  • Emergency & safety switches
  • Filters
  • Fluid levels & leaks
  • Load movement indicators
  • Wear on wheels & tyres
  • Structural components & critical parts (brakes, gears, fasteners, pins, sheaves, wire ropes)
  • Safety signage
Our team are very thorough and perform each inspection to meet Queensland roadworthy and safety certification requirements.
What size vehicles can you provide certification for?
Our mechanics certify all 4x4s, trucks, trailers and machinery up to 16-tonne GVM. Please contact us if you are unsure if your vehicle meets these requirements.
What are the signs I should have my engine rebuilt?
Whether it's from lubrication problems, excessive overheating or normal wear and tear, your engine will eventually need some serious refurbishment. These are some typical symptoms of an engine that should be rebuilt:
  • Excessive exhaust fumes
  • Low oil pressure
  • Knocking or tapping sounds
  • Sub-standard performance
  • Water mixing into the oil
  • Low compression
  • Oil leaking into the air cleaner or radiator
Are you open on weekends?
Our workshop is open for bookings until noon on Saturdays. We are also available by request on Sundays. Field services can be requested at any time if there is a breakdown emergency, call-out fees apply.
Why is my diesel engine blowing black smoke?
There are a few mechanical issues that black smoke from your exhaust pipe can indicate, including:
  • Blocked air filter or intake
  • Fuel injector pump faults
  • Engine timing out
  • Low cylinder compression
  • Excessive carbon build-up
  • Diesel fuel not combusting correctly
  • Incorrect valve clearance
Please contact your local mechanic if you notice excessive black smoke coming from your tail pipe.