Expert Advice - Solve a Problem with a Machine Repair
See examples of completed problem-solving guides tailored to the exact machine and fault.
We cover tractors, excavators, loaders, combines, balers, telehandlers, engines and other agricultural and construction machinery. Open a sample PDF, then request a guide for your own machine and problem.
TRACTOR
David Brown 990
Noisy lift, limited travel and slow lowering
Trace the linkage, oil supply, controls and PTO symptoms in a sensible order.
View Sample Guide (PDF) Related workshop manualEXCAVATOR
Caterpillar 215
Hydraulics become slow and weak when warm
Separate oil supply, control, relief and pump performance before major repair.
View Sample Guide (PDF) Cat 215 workshop manualCOMBINE
Claas Dominator 88/98/108 VX
Excessive grain loss behind the combine
Locate loss at the header, threshing, straw walkers or cleaning system.
View Sample Guide (PDF) Dominator VX repair manualEXCAVATOR
Hitachi EX110-5
Bucket curl weak under load
Compare the command, bucket valve, cylinder and supply before replacing parts.
View Sample Guide (PDF) EX110-5 repair manualTRACTOR
John Deere 6400
Three-point hitch will not raise reliably
Narrow an intermittent hitch fault through controls, wiring and hydraulics.
View Sample Guide (PDF) 6100-6600 TM4493 repair manualNeed help with your exact machine and fault?
Tell us the make, model, year or serial number if known, the symptoms and what you have already checked. We will research your machine and prepare a personal guide with the likely causes and an ordered plan for what to check next.
Request a Personal Workshop Guide