e. Do not attempt to pave areas that are excessively rocky.
f. Never operate the engine under a continuous strain for long periods of time.
a. Organizational preventive maintenance is performed by organizational maintenance personnel, with the aid of the
operator, at weekly and monthly intervals. The weekly interval will be equivalent to 60 hours of use. The monthly interval
will be equivalent to 4 weeks, or 240 hours, of use, whichever occurs first.
b. The technical inspection column is provided for the information and guidance of personnel performing technical
inspection, and constitutes the minimum inspection requirements for the equipment.
c. The preventive maintenance services -to be performed at these regular intervals are listed and described below.
The numbers appearing in the columns opposite each service refer to a corresponding number appearing on DA Form
464, and indicate that a report of the service should be made at that particular number on DA Form 464. These numbers
appear in either second, third, or both columns, as an indication of the interval at which the service is to be performed.
Before-operation services. Check and perform services described in paragraph 52c.
Lubrication. Inspect the entire unit for missing or damaged lubrication fittings, lines, and
grease cups, as well as for indications of insufficient lubrication.
Replace missing or damaged fittings, lines, and grease cups. Lubricate as specified in
Tools and equipment. Inspect the condition of all tools and equipment assigned to the
unit. Check the condition and mounting of tool boxes and compartments.
See that all tools and equipment assigned to the unit are clean, serviceable, and
properly stowed or mounted. See that tool boxes or compartments are in good
condition and that they close and fasten properly.
Fire extinguisher. Check the fire extinguisher and inspect for full charge, proper
working order, and secure mounting. The amount of charge in the carbon dioxide
type of extinguisher can be checked only by weighing. Empty and full weights are
stamped on the valve head. The amount of charge in the carbon tetrachloride type
can be determined by shaking the extinguisher and judging by sound and weight
whether it is full.
See that any deficiencies are corrected or reported to the proper authority.