SAFETY SYMBOLS ....................................................................................................................................................................... 5
SAFETY PRECAUTIONS .............................................................................................................................................................. 6
TOOL STICKERS & TAGS ............................................................................................................................................................ 7
HYDRAULIC HOSE REQUIREMENTS ......................................................................................................................................... 8
HOSE TYPES ................................................................................................................................................................................ 8
HOSE SAFETY TAGS ................................................................................................................................................................... 8
HOSE PRESSURE RATING .......................................................................................................................................................... 8
HTMA REQUIREMENTS ............................................................................................................................................................... 9
OPERATION ................................................................................................................................................................................ 10
EQUIPMENT PROTECTION & CARE ......................................................................................................................................... 12
TROUBLESHOOTING ................................................................................................................................................................. 13
SPECIFICATIONS ....................................................................................................................................................................... 14
ACCESSORIES ........................................................................................................................................................................... 14
SERVICE ..................................................................................................................................................................................... 15
PRIOR TO DISASSEMBLY .................................................................................................................................................... 15
REMOVAL .............................................................................................................................................................................. 15
INSTALLATION ...................................................................................................................................................................... 15
MOTOR DISASSEMBLY ........................................................................................................................................................ 16
MOTOR CLEANING & INSPECTION .................................................................................................................................... 16
CLEANING ............................................................................................................................................................................. 16
GEAR CHAMBER (MOTOR CAP) ......................................................................................................................................... 16
GEARS ................................................................................................................................................................................... 16
MAIN HOUSING ASSEMBLY ................................................................................................................................................. 16
SHAFTS ................................................................................................................................................................................. 16
MAIN HOUSING DISASSEMBLY ........................................................................................................................................... 16
PRIOR TO REASSEMBLY ..................................................................................................................................................... 17
MAIN HOUSING ASSEMBLY ................................................................................................................................................. 17
MOTOR ASSEMBLY .............................................................................................................................................................. 17
IMPACT INTENSITY ADJUSTMENT ...................................................................................................................................... 18
ADJUSTMENT ....................................................................................................................................................................... 18
STANDARD IMPACT MECHANISM MODEL ......................................................................................................................... 19
IW12 PARTS LIST ....................................................................................................................................................................... 20
IW12 PARTS LIST ....................................................................................................................................................................... 22
WARRANTY ................................................................................................................................................................................. 23
SERVICING THE STANLEY HYDRAULIC IMPACT WRENCH: This manual contains safety, operation, and
routine maintenance instructions. Servicing of hydraulic tools, other than routine maintenance, must be
performed by an authorized and certifi ed 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.
For the nearest authorized and certifi ed dealer, call Stanley Hydraulic Tools at the number listed on the
back of this manual and ask for a Customer Service Representative.
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WARNING
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