Trouble Shooting Hydraulics

Question 1

What are the common problems with pumps and motor??

Answer 1

Internal leakage past rotors
Damaged shaft bearings and seals due to misalignment
External leakage at housings or fittings

Question 2

What are some common value problems?

Answer 2

Spool sticking
Spool not shifting due to a burned out solenoid
Excessive leakage

Question 3

What are some potential problem areas of pilot values?

Answer 3

Sticking spool, loose coil , broken armature, broken spring , worn pin between the armature and the spool

Question 4

How is contamination of the hydraulic components prevented?

Answer 4

Keep work area clean and tidy

Question 5

What steps are taken to shut down the equipment safely?

Answer 5

Lower or mechanically secure all suspended loads
Release all pressure in the system
Discharge all accumulators and intensifiers
Isolate equipment

Question 6

What type of approach should be taker when troubleshooting hydraulic systems?

Answer 6

Logical approach , can be very dangerous