Responsibilities ANSI/ASSE A10.31 EEC-0168 V1.0
Responsibilities per
ANSI/ASSE A10.31
b. Parts, such as pins, bearings, shafts, gears, rollers, locking devices,
chains, chain sprockets, wire, and synthetic ropes and sheaves for wear,
cracks or distortion.
c. Hydraulic and pneumatic relief valve settings.
d. Hydraulic and pneumatic fittings, hoses, and tubing for evidence of
leakage, abnormal deformation or excessive abrasions.
e. Compressors, pumps, motors and generators for loose fasteners, leaks,
unusual noises or vibrations, loss of operating speed, and excessive
heating.
f. Hydraulic and pneumatic valves for malfunction and visible cracks in the
external valve housing, leaks, and sticking spools.
g. Visually inspect any vacuum prevention systems and verify function of
such systems on digger derricks that have a sheave height or platform
height greater than 50 feet.
h. Hydraulic and pneumatic cylinders and holding valves for malfunction and
visible damage.
i. Hydraulic and pneumatic filters for cleanliness and the presence of foreign
material in the system indicating other component deterioration.
j. Electrical systems and components for deterioration or wear including
those not readily visible on a frequent inspection.
k. Performance test of all boom movements.
l. Condition and tightness of bolts and other fasteners, in accordance with
the manufacturer’s recommendation.
m. Welds, in accordance with the manufacturer’s recommendation.
n. Legible and proper identification, operational and instructional markings.
o. If the digger derrick is rated as an insulating device, the electrical
insulating components and system(s) shall be thoroughly inspected for
lack of cleanliness and other conditions that compromise insulation.
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