Maxon GPTLR Series - General Safety Warnings; Critical Safety Precautions

TABLE OF CONTENTS
SUMMARY OF CHANGES: M-18-16 REV B ........................................................................ 6
WARNINGS ........................................................................................................................... 8
SAFETY INSTRUCTIONS .................................................................................................... 9
LIFTGATE TERMINOLOGY ................................................................................................ 10
PERIODIC MAINTENANCE ................................................................................................ 12
PERIODIC MAINTENANCE CHECKS ................................................................................ 12
PERIODIC MAINTENANCE CHECKLIST ........................................................................... 15
LUBRICATION ..................................................................................................................... 16
CHECKING HYDRAULIC FLUID ........................................................................................ 17
CHANGING HYDRAULIC FLUID ........................................................................................ 19
PLATFORM TORSION SPRING ADJUSTMENT ................................................................ 22
REPLACING PLATFORM TORSION SPRING ................................................................... 27
DECALS .............................................................................................................................. 29
DECALS & PLATES ........................................................................................................... 30
NONSKID & SAFETY STRIPING ....................................................................................... 31
SYSTEM DIAGRAMS ......................................................................................................... 32
PUMP & MOTOR SOLENOID OPERATION (GRAVITY DOWN) ........................................ 32
PUMP & MOTOR SOLENOID OPERATION (POWER DOWN) .......................................... 33
HYDRAULIC SCHEMATIC (GRAVITY DOWN) ................................................................... 34
HYDRAULIC SCHEMATIC (POWER DOWN) .................................................................... 35
ELECTRICAL SCHEMATIC (GRAVITY DOWN) ................................................................. 36
ELECTRICAL SCHEMATIC (POWER DOWN) ................................................................... 37
GPTLR ELECTRICAL VALUES & TORQUE SPECIFICATIONS ........................................ 38
BOLT TORQUES ................................................................................................................ 39
TROUBLESHOOTING ........................................................................................................ 40