PRESTO P4 LEVEL LOADER OWNER’S MANUAL
3
TABLE OF CONTENTS
I
NTRODUCTION ............................................................................................................... 2
SAFETY
........................................................................................................................ 4
INSTALLATION INSTRUCTIONS ...................................................................................... 4
Preparation ...................................................................................................... 4
Positioning the Unit ......................................................................................... 4
Electrical Connections .................................................................................... 5
Testing ............................................................................................................. 6
OPERATING INSTRUCTIONS ........................................................................................ 7
Safety Instructions .......................................................................................... 7
Loading the Unit .............................................................................................. 8
Raising the Platform........................................................................................ 8
Lowering the Platform ..................................................................................... 9
MAINTENANCE AND TROUBLESHOOTING ............................................................... 10
Hazards ......................................................................................................... 10
Routine Periodic Maintenance ...................................................................... 11
Troubleshooting Check List .......................................................................... 12
Repacking the Cylinder ................................................................................. 15
Adjusting the Chain Tension ......................................................................... 15
Ordering Replacement Parts ........................................................................ 16
LIST OF FIGURES
Fig. 1
Safety labels .................................................................................................... 5
Fig. 2
Pinch points ..................................................................................................... 6
Fig. 3
Load the unit correctly ..................................................................................... 7
Fig. 4.
Electrical diagram ........................................................................................... 8
Fig. 5.
Hydraulic diagram ........................................................................................... 9
Fig. 6.
Parts identification — Front view .................................................................... 12
Fig. 7.
Parts identification — Rear view ..................................................................... 13
Fig. 8.
Hydraulic pump ............................................................................................. 13
Fig. 9.
Down valve .................................................................................................... 14
Fig. 10
Hydraulic oil specifications ........................................................................... 16
