Troubleshooting - Stanley DS12 User Manual

CHAIN SAW TROUBLESHOOTING
Excessive vibration and cuts rough.
Chain saw will not cut straight.
Loss of power.
Chain saw does not run.
Chain saw runs backwards.
Trigger is hard to press.
Fluid leakage around drive
sprocket.
Fluid leakage between the rear
gear housing and the chain saw
adaptor.
Fluid leakage between the valve
handle and the extension housing.
Fluid leakage between the ext-
ension housing assembly and
the chain saw adaptor.
Chain saw cuts slow.

TROUBLESHOOTING

Loose chain tension.
Excessive feed force.
Operator feed force not applied
directly over centerline of saw.
Accumulated saw bar wear and
uneven chain segment profi le wear.
Drive sprocket slipping on
Trantorque® adapter.
Power source not functioning.
Coupler or hoses are blocked.
Mechanical failure.
Pressure and return hoses
reversed.
Pressure and return hoses
reversed.
Back pressure too high.
Motor shaft seal failure.
Motor face seal failure.
Oil tube seal failure.
Oil tube seal failure.
Insuffi cient hydraulic fl uid fl ow or
low relief valve setting.
16
Retension the chain.
Reduce feed force.
move left hand closer to centerline
of saw bar.
Turn the saw bar over and dress rails
square. Replace the saw bar and
chain.
Adjust and tighten Trantorque®
adapter, (30 ft. lbs/40.6 Nm).
Check power source for proper fl ow
and pressure (7-9 gpm/26-34 lpm @
2000 psi/140 bar).
Remove obstruction.
Disassemble the chain saw and
inspect for damage.
Connect for proper fl ow direction.
Motor shaft must rotate clockwise.
Connect to proper fl ow direction.
Motor shaft must rotate clockwise.
Should not exceed 250 psi/17 bar @
9 gpm/34 lpm measured at the end
of the chain saw's operating hoses.
Replace as required.
Replace as required.
Replace as required.
Replace as required.
Adjust proper hydraulic fl uid fl ow to
proper gpm. For optimum perf-
ormance, adjust relief valve to 2100-
2250 psi/145-155 bar.