7 — ANSI REPRINT
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(7) Hydraulic and pneumatic valves for malfunction and visible cracks in the exter-
nal valve housing, leaks, and sticking spools
(8) Hydraulic and pneumatic cylinders and holding valves for malfunction and
visible damage
(9) Hydraulic and pneumatic filters for cleanliness and the presence of foreign ma-
terial in the system indicating other component deterioration
(10) Electrical systems and components for deterioration or wear including those not
readily visible on frequent inspection
(11) Performance test of all boom movements
(12) Condition and tightness of bolts and other fasteners
(13) Welds, as specified by the manufacturer
(14) Legible and proper markings of controls, ratings, and instructions
(15) If the aerial device is rated and used as an insulated device, the electrical insu-
lating components and system(s), after a thorough inspection for lack of cleanliness
and other hazards, shall be tested for compliance with the rating of the aerial device
in accordance with one of the applicable methods and procedures as outlined in sec-
tion 5.4.3 of this standard.
(a) If the aerial device is used for A.C. bare-hand work, the unit shall undergo a 60
hertz test as shown in Table 2 at least every three years.
(b) If the aerial device is used for D.C. bare-hand work, the unit shall undergo a
D.C. test as shown in Table 2 at least every three years.
(c) After repair or modification of any component that crosses the insulating sys-
tem(s), or the repair or replacement of an insulating component(s), the unit shall be
dielectrically tested in accordance with section5.4.3.
(d) An insulated replacement boom shall be tested to insure conformance to 5.3.3
by the supplier.
(e) Bare-hand work units shall be tested as shown in Table 1 after any major repair
to the insulated boom or any insulated boom replacement.
Any suspected items shall be carefully examined and a determination made by a
qualified person as to whether they constitute a safety hazard. All unsafe items shall
be replaced or repaired before use.
8.3 Inspection and Test Records.
(1) Items to be inspected shall be designated to the operator or other authorized
person making frequent inspections. Records of frequent inspections need not be
made. However, where a safety hazard is found, it shall be reported in writing to a
person responsible for the corrective action and that report and a record of the cor-
rection shall be maintained for five years, or as required by applicable regulations.
(2) Written, dated and signed reports and records shall be made of periodic inspec-
tions and tests and retained for a period of five years or as required by applicable
regulations.
8.4 Maintenance. Maintenance and frequency of maintenance shall be determined by
the user based on the recommendation of the manufacturer.
Maintenance referred to as critical in the manufacturer's manual shall be strictly ad-
hered to.
Welding repairs or components or welds, designated as critical in the manufacturer's
manual, shall be made in accordance with the manufacturer's recommendations.
Should the original manufacturer no longer exist an equivalent entity may determine
the required procedure.
