GT23 User Manual 3
For the nearest authorized and certied dealer, call Stanley Hydraulic Tools at the number listed on the
back of this manual and ask for a Customer Service Representative.
SERVICING: This manual contains safety, operation, and routine maintenance instructions. Stanley
recommends that servicing of hydraulic tools, other than routine maintenance, must be performed by an
authorized and certied dealer. Please read the following warning.
SERIOUS INJURY OR DEATH COULD RESULT FROM THE IM-
PROPER REPAIR OR SERVICE OF THIS TOOL.
REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE
DONE BY AN AUTHORIZED AND CERTIFIED DEALER.
SAFETY SYMBOLS ........................................................................................................................................................................4
SAFETY PRECAUTIONS ...............................................................................................................................................................5
TOOL STICKERS & TAGS ............................................................................................................................................................. 6
HYDRAULIC HOSE REQUIREMENTS ..........................................................................................................................................7
HOSE SAFETY TAGS ....................................................................................................................................................................7
HOSE RECOMMENDATIONS ........................................................................................................................................................8
HTMA REQUIREMENTS ................................................................................................................................................................9
OPERATION .................................................................................................................................................................................10
PREPARATION FOR USE ............................................................................................................................................................ 10
CONTROLS ..................................................................................................................................................................................12
STARTUP ......................................................................................................................................................................................12
FOR 8 GPM OPERATION ............................................................................................................................................................ 12
FOR 12 GPM OPERATION .......................................................................................................................................................... 12
COLD WEATHER STARTUP ........................................................................................................................................................13
SHUTDOWN .................................................................................................................................................................................13
ROUTINE MAINTENANCE ...........................................................................................................................................................14
STORAGE ....................................................................................................................................................................................14
PROGRAMMABLE CONTROLLER ..............................................................................................................................................15
TROUBLESHOOTING GUIDELINES ...........................................................................................................................................15
FAULT CODES ............................................................................................................................................................................. 16
TESTING & TROUBLESHOOTING .............................................................................................................................................. 17
TESTING THE HYDRAULIC CIRCUIT ......................................................................................................................................... 17
TESTING THE 8 GPM HTMA TYPE II CIRCUIT .......................................................................................................................... 17
OR THE 12 GPM TYPE III CIRCUIT ............................................................................................................................................17
TROUBLESHOOTING ..................................................................................................................................................................18
SPECIFICATIONS ........................................................................................................................................................................ 19
BRIGGS ENGINE ASSEMBLY ..................................................................................................................................................... 20
BRIGGS ENGINE PARTS LIST ....................................................................................................................................................21
FUEL TANK & CAP ....................................................................................................................................................................... 22
FRAME PARTS ............................................................................................................................................................................. 23
HOSES, FITTINGS & CLAMPS ....................................................................................................................................................24
MAIN POWER UNIT WIRING HARNESS .................................................................................................................................... 25
TABLE OF CONTENTS
IMPORTANT
To ll out a Product Warranty Validation form, and for information on your warranty,
visit Stanleyhydraulics.com and select the Company tab, Warranty.
(NOTE: The warranty Validation record must be submitted to validate the warranty).
