|
|
Know/Don’t know
|
Notes
|
|
Hydraulic heat exchangers
|
|
|
|
Hydraulic oil heaters
|
|
|
|
Hydraulic oil coolers
|
|
|
|
|
KKnow/ Don’t know
D
|
Notes
|
|
Hydraulic conductors
|
|
|
|
Steel pipe
|
|
|
|
· Pipe sizing
|
|
|
|
· Pipe connections and
fittings
|
|
|
|
Steel tubing
|
|
|
|
· tubing sizes
|
|
|
|
· tubing connections and
fittings
|
|
|
|
· flared tubing
connections
|
|
|
|
· flareless tubing
connections
|
|
|
|
· split flange connectors
|
|
|
|
· compression connectors
|
|
|
|
· ferrule-type compression
connectors
|
|
|
|
· bite-type compression
connectors
|
|
|
|
Hydraulic hose
|
|
|
|
· hydraulic hose sizes
|
|
|
|
· hydraulic hose
connectors
|
|
|
|
· permanent hose
connectors
|
|
|
|
· reusable hose connectors
|
|
|
|
|
|
|
|
|
Know/Don’t know
|
Notes
|
|
Hydraulic filters
|
|
|
|
Contamination
|
|
|
|
· Built-in contamination
|
|
|
|
· Ingressed contamination
|
|
|
|
· Internally generated
contamination
|
|
|
|
Filter construction
|
|
|
|
Filter ratings
|
|
|
|
· Absolute rating
|
|
|
|
· Nominal rating
|
|
|
|
· Beta rating
|
|
|
|
Filter locations
|
|
|
|
· Strainer location
|
|
|
|
· Pressure line filters
|
|
|
|
· Return line filters
|
|
|
|
Filter bypass devices and restriction
indicators
|
|
|
|
|
|
|
|
|
Know/ Don’t know
|
Notes
|
|
Functions of the hydraulic reservoir
|
|
|
|
· Hold the system oil
supply
|
|
|
|
· Cool the oil
|
|
|
|
· Allow air and
contamination to separate from the oil
|
|
|
|
Types of hydraulic reservoirs
|
|
|
|
· Vented or atmospheric
reservoirs
|
|
|
|
· Pressurized or closed
reservoirs
|
|
|
|
Hydraulic reservoir features
|
|
|
|
· Oil level indicators
|
|
|
|
· Filler opening
|
|
|
|
· Line location
|
|
|
|
· Reservoir cleanout
opening
|
|
|
|
· Baffle plate
|
|
|
|
|
Know/ Don’t know
|
Notes
|
|
Functions of hydraulic oil
|
|
|
|
· Transmit power
|
|
|
|
· Lubricate
|
|
|
|
· Seal
|
|
|
|
· Cool
|
|
|
|
Qualities of hydraulic oil
|
|
|
|
Properties of hydraulic oil
|
|
|
|
· viscosity
|
|
|
|
· viscosity index(VI)
|
|
|
|
· Pour point
|
|
|
|
· Lubricating ability
|
|
|
|
· Oxidation resistance
|
|
|
|
· Corrosion and rust
protection
|
|
|
|
· Foaming and emulsion
resistance
|
|
|
|
Selection of hydraulic oil
|
|
|
|
|
|
|
|
|
Know/Don’t know
|
Notes
|
|
Safety precautions
|
|
|
|
Safety information and instructions
|
|
|
|
Hydraulic pressure
|
|
|
|
Pinhole Leaks
|
|
|
|
Hydraulically supported equipment
|
|
|
|
Pinch points
|
|
|
|
Pressurized Hydraulic Lines
|
|
|
|
|
|
|
