TM 11 6730-235-12
iceable condition; that is, in good general (physical)
Scope of Operator Maintenance
condition and in good operating condition. To assist
The maintenance duties assigned to the operator of the
operators in maintaining serviceability, the charts indicate
projector set are listed below together with a reference to
what to check, how to check, and what the normal
the paragraphs covering the specific maintenance
conditions are; the References column list.
functions. The duties assigned do not require any tools
paragraphs that contain supplementary information. If
the defect cannot be remedied by the operator, higher
a. Daily preventive
category maintenance is required. Records and reports
of these checks and services must be made in
accordance with the requirements set forth in TM 38-
b. Weekly preventive maintenance checks and
Operator Preventive Maintenance Checks
and Services Periods
Preventive maintenance checks and
Tools and Materials Required
services of the projector set are required on a daily basis
The following tools and materials are required for
while the projector set is in use. If the projector set is
maintained in a standby (ready for immediate operation)
a. Lint-free cloth (FNS 830170-5062).
condition, the daily checks and services should be
b. Hand blower (air syringe).
performed once each week. Para 35 specifies the
c. Camel's-hair brush.
checks and services that must be performed daily and
d. Lens cleaner (FNS 6760-408-575).
under the following special conditions:
(1) When the equipment initially placed in service.
Operator Preventive Maintenance
(2) When the equipment or any of its components
are removed from service for any reason.
Operator preventive maintenance is the systematic care,
servicing, and inspection of equipment to prevent the
b. Weekly. Perform the maintenance functions
occurrence of trouble, to reduce downtime and to assure
indicated in the weekly preventive maintenance checks
that the equipment is serviceable.
and services chart (para 3-6) once each week. A week
is defined as approximately 7 calendar days of 8-hour-
a. Systematic Care. The procedures given in
per-day operation. If the equipment is operated for more
than 8 hours a day, the weekly maintenance interval
care and cleaning essential to proper upkeep and
should be made to compensate for any unusual
operation of the projector set.
Equipment maintained in a
b. Preventive Maintenance Checks and Services.
standby condition must have weekly maintenance
The preventive maintenance checks and services charts
performed on it. Equipment in limited storage (requires
service before operation) does not require weekly
specific intervals. These checks and services are to
maintain the equipment in a serv