TABLE OF CONTENTS
INTRODUCTION ............................................................................................................. 1
About This Manual ....................................................................................................... 1
Additional Information .................................................................................................. 2
Getting Help ................................................................................................................. 2
Contacting Ascension .................................................................................................. 2
SECTION 1: Terminology ............................................................................................... 3
SECTION 2: Routine Maintenance................................................................................. 5
2.1
Hydraulic System .............................................................................................. 5
2.2
Cleaning ............................................................................................................ 5
SECTION 3: Mechanical Disassembly and Repair......................................................... 6
3.1
Important Preliminary Information ..................................................................... 6
3.2
Electrically Isolating the Lift ............................................................................... 6
3.3
Opening the Machinery Cabinets from the Top ................................................. 8
3.4
Retracting, Removing, and Reinstalling the Safety Skirt ................................... 9
3.5
Lower Landing Gate Closer ............................................................................ 15
3.6
Upper Lock Rollers ......................................................................................... 16
3.7
Lower Lock Rollers ......................................................................................... 18
3.8
Upper Stop Mechanism .................................................................................. 20
3.9
Lower Landing Gate Switch ............................................................................ 22
3.10
Upper Landing Gate Switch ............................................................................ 24
3.11
Locking Rod Switch ........................................................................................ 25
3.12
Operating Stations .......................................................................................... 26
3.13
Override Keyswitch ......................................................................................... 27
3.14
Hydraulic Valves ............................................................................................. 28
3.15
Windows ......................................................................................................... 30
3.16
Skirt Guard ...................................................................................................... 30
SECTION 4: Electrical Testing ..................................................................................... 36
4.1
Access to the Electrical Panel ......................................................................... 38
4.2
Testing the Switches ....................................................................................... 39
4.3
Testing the Relay Module ............................................................................... 41