Komatsu PC390LC-10 Shop Manual page 29

FOREWORD HOISTING INSTRUCTIONS
12. If the hoist stops because of a power failure, turn the power switch OFF. When turning on a switch which was turned OFF
by the ground fault protection circuit breaker, check that the devices related to that switch are not in operational state.
13. If there is an obstacle around the hoist, stop the operation.
After finishing the work, stop the hoist at the specified position and raise the hook to at least 2 m (6.6 ft) above the floor. Do
not leave the sling installed to the hook.
c
00-13
PC360/390LC-10