System Controllers ........................................................................................................................................................... 6-1
Solenoid Valves ............................................................................................................................................................ 6-1
Limit Switches .............................................................................................................................................................. 6-1
Photovoltaic Sensor ..................................................................................................................................................... 6-1
Hydraulic Pressure Switch ............................................................................................................................................ 6-2
Time Delay Relays ........................................................................................................................................................ 6-2
Chapter 7 Maintenance ....................................................................................................................................................... 7-1
Cleaning Procedure .......................................................................................................................................................... 7-1
Hydraulic System .............................................................................................................................................................. 7-1
Limit Switches .................................................................................................................................................................. 7-1
Lubrication ....................................................................................................................................................................... 7-1
Preventive Maintenance .................................................................................................................................................. 7-1
Daily.............................................................................................................................................................................. 7-1
For the Manager .............................................................................................................................................................. 7-2
Items to Check.............................................................................................................................................................. 7-2
Why You Should Do This .............................................................................................................................................. 7-2
Preventive Maintenance Form ........................................................................................................................................ 7-3
Chapter 8 Troubleshooting .................................................................................................................................................. 8-1
List of Symptoms .............................................................................................................................................................. 8-1
Chapter 9 Service Operations .............................................................................................................................................. 9-1
Limit Switches .................................................................................................................................................................. 9-1
Hydraulic System .............................................................................................................................................................. 9-1
Hydraulic Leaks ................................................................................................................................................................ 9-1
Directional Valves ............................................................................................................................................................ 9-1
Chapter 10 Tables and Charts ............................................................................................................................................ 10-1
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