16 ► HD45 User Manual
• Make sure all couplers are wiped clean before
connection.
• The hydraulic circuit control valve must be in
the “OFF” position when coupling or uncoupling
hydraulic tools. Failure to do so may result in damage
to the quick couplers and cause overheating of the
hydraulic system.
• Always store the tool in a clean, dry space, safe
from damage or pilferage.
• Make sure the circuit PRESSURE hose (with male
quick disconnect) is connected to the “IN” port. The
circuit RETURN hose (with female quick disconnect)
is connected to the opposite port. Do not reverse
circuit ow. This can cause damage to internal seals.
• Always replace hoses, couplings and other parts
with replacement parts recommended by STANLEY.
Supply hoses must have a minimum working
pressure rating of 2500 psi/172 bar.
• Do not exceed the rated ow. See “Specications” on
page 18) for correct ow rate and model number.
Rapid failure of the internal seals may result.
In addition to the safety precautions found in
this manual, observe the following for equipment
protection and care.
• Always keep critical tool markings, such as warning
stickers and tags, legible.
• Tool repair should be performed by experienced
personnel only.
• Make certain that the recommended relief valves
are installed in the pressure side of the system.
• Do not use the tool for applications for which it was
not intended.
• Never operate a hammer drill without a drill bit or
without holding it against the work surface. To do so,
places excessive strain on the hammer drill.
• Keep drill bits sharp for maximum tool performance.
Make sure the drill bits are not chipped or rounded
on the striking end.
TOOL PROTECTION & CARE
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