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10.1 Additional information regarding spare parts
Spare parts categories
Maintenance and servic-
ing parts for actuator
assembly
Maintenance and servic-
ing parts for pilot
HON 512 with HON 650 pilot user manual
Spare parts fall into the following categories:
Spare parts category
Maintenance part
Servicing parts
Miscellaneous spare part
▪ The spare parts always required for maintenance are marked with an "x" in the
"Maint." column in the spare parts lists for the actuator assembly.
▪ The required number of spare parts is indicated under the part number in the "Part
No." column. If no quantity is specified, this means that only one unit is required.
▪ The bills of materials for the pilots are broken down by maintenance parts and servicing
parts.
▪ The required number of maintenance or servicing parts is indicated under the relevant
part number in the "Part No." column. If no quantity is specified, this means that only
one unit is required.
Definition
Spare parts that always have to be replaced
during maintenance.
Spare parts that need to be checked during
maintenance and that must be replaced if neces-
sary due to their condition.
Spare parts that qualified personnel
employed by the company operating the device is
allowed to replace in order to convert the device
(e.g., when changing the pressure range).
Spare parts that qualified personnel
employed by the company operating the device is
allowed to replace in the event of a fault or
defect.
Parts that are listed in the spare part drawings and
bills of materials in addition to maintenance and
servicing parts so as to improve communications
between the customer and the manufacturer, but
that it is impermissible to order or replace with-
out first contacting the manufacturer.
Appendix
153
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