Southworth APCU Series, Operating And Maintenance Manual

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APCU Owner’s Manual 3
CONTENTS
INTRODUCTION ................................................................................................. 4
RESPONSIBILITY OF OWNERS AND USERS ................................................... 5
SAFETY ALERT SYMBOLS AND SIGNAL WORDS ............................................ 6
SAFETY .............................................................................................................. 7
Safety devices ......................................................................................... 8
INSTALLATION INSTRUCTIONS .................................................................... 20
Preparation
.......................................................................................... 20
Positioning the lift .................................................................................. 20
Hydraulic connections ......................................................................... 20
Testing ................................................................................................... 21
Electrical connections ............................................................................ 21
Checking the hydraulic system .............................................................. 21
OPERATOR CONTROLS ................................................................................. 22
OPERATING INSTRUCTIONS ........................................................................... 22
OPTIONAL APCU SUPPORT STANDS ............................................................. 27
MAINTENANCE ................................................................................................. 28
Hazards ................................................................................................ 28
Servicing the unit safely ....................................................................... 28
Routine maintenance-weekly .............................................................. 28
Routine maintenance-monthly ............................................................. 29
Routine maintenance - 6 months or 500 hours ................................... 29
TROUBLESHOOTING ..................................................................................... 29
Troubleshooting Table ..................................................................... 30-31
ADJUSTMENT & REPLACEMENT PROCEDURES .......................................... 33
Aligning the photo eyes ......................................................................... 33
About the proximity switches ................................................................. 33
Setting end of travel for “tilt down” function ........................................... 33
Setting end of travel for “tilt up” function ................................................ 33
Setting end of travel for “dump up” function .......................................... 33
Setting end of travel for “dump down” function ...................................... 34
Inspecting and cleaning a control valve ................................................. 34
Removing a cylinder .............................................................................. 34
Repacking a cylinder ............................................................................. 35
Replacing a cylinder .............................................................................. 36
ORDERING REPLACEMENT PARTS ............................................................... 45
WARRANTY ...................................................................................................... 46
List of Figures and Tables
Fig. 1 Overall View - Load Enclosure Lowered ................................ 8
Fig. 2A Operating Sequence - Loading Position .................................. 9
Fig. 2B Operating Sequence - Tilt 90 degree Position ......................... 9
Fig. 2C Operating Sequence - Dump Position .................................... 10
Fig. 3A-G Label diagrams and positions ......................................... 11-18
Fig. 3H APCU Support Stand Procedure ............................................ 19
Fig. 4 Control panel .......................................................................... 22
Fig. 5A Using the retainer bar ............................................................. 24
Fig. 5B Proper retaining ...................................................................... 25
Table 1 Hydraulic Oil Specifications .................................................... 32
Fig. 6 Repacking the cylinder ......................................................... 35
Fig. 7 Hydraulic schematic .............................................................. 37
Fig. 8 Wiring Diagram ................................................................ 38-39
Fig. 9 DC Power Supply Kit .............................................................. 40
Fig. 10 APCU Program Ladder Logic ................................................. 41
Fig. 10A-C Hydraulic power unit ......................................................... 42-44