CHAPTER 1 - Preface
CHAPTER 2 - Hydraulic Principles
a) Compressability of fluids 2-1
b) Pressure and flow 2-2
c) Force/Pressure/Area 2-3
d) Effects of temperature on fluids 2-4
CHAPTER 3 - How Hydraulics Work For HWH
a) Pressure and flow 3-1
b) Path of least resistance 3-2
c) Resistance to flow 3-3
d) Moving and static systems 3-4
CHAPTER 4 - Hydraulic Components
a) Pumps 4-1
- i) Construction 4-1.1
- ii) Cavitation and contamination 4-1.2
- iii) Breather cap 4-1.3
b) Valves 4-2
- i) Directional control valves 4-2.1
- (1) Lever controlled valves 4-2.1.1
- (2) Electrically controlled solenoid valves 4-2.1.2
- (3) Valves controlled with pressure 4-2.1.3
- (a) Shuttle valve 4-2.1.3.1
- (b) Checks valves 4-2.1.3.2
- ii) Pressure control valves 4-2.2
- (1) Relief valves 4-2.2.1
- (2) Pressure sequence valves 4-2.2.2
- iii) Flow control valves 4-2.3
c) Cylinders (Includes jacks and kick-down jack actuators; room extension & synchronizing cylinders)4-3
- i) Single-acting cylinders 4-3.1
- ii) Double-acting cylinders 4-3.2
- (1) Regenerative cylinder (room extension and double-acting jack cylinders) 4-3.2.1
- iii) Leveling and stabilizing jacks 4-3.3
- (1) Kick-down jacks 4-3.3.1
- (2) Kick-down jack actuators 4-3.3.2
- (3) Fixed jacks 4-3.3.3
- (4) Pivoting straight-acting jacks 4-3.3.4
- iv) Room extension cylinders 4-3.4
- v) Synchronizing cylinders 4-3.5
d) Hoses and plumbing 4-4
- i) Hose construction 4-4.1
- ii) Warranty replacement of hose 4-4.2
- iii) Swaging vs. crimping hose ends 4-4.3
- iv) Hose identification 4-4.4
- v) Tightening of hose ends 4-4.5
- vi) Routing of hoses 4-4.6
e) fluids 4-5
CHAPTER 5 - Schematics
a) Function/use/reading of schematics 5-1
b) Glossary of hydraulic schematic symbols 5-2
c) Schematic reading exercises 5-3
- i) Exercise no. 1 5-3.1
- ii) Exercise no. 2 5-3.2
- iii) Exercise no. 3 5-3.3
d) Rules for reading schematics 5-4
- i) Study problems for schematic reading 5-4.1
