command. The daily preventive-maintenance service
3-19. Responsibilities and Intervals.
3-20. Operator and Crew. The operator d crew are
each day the bulldozer is operated. This service is
personally responsible for assigned vehicles. Squad,
divided into three parts.
section, and platoon leaders a charged with a
supervisory responsibility for vehicles pertaining to their
Table 3-1. Daily Preventive Maintenance Services
(Operator and Crew)
Before
Intervals
After
Procedure
Operation
During
Operation
Operation
GENERAL SERVICE OPERATIONS
Caution: Place *U tap describing condition of the vehicle in the
compartment in a conspicuous location so that thy will not be
overlooked
X
X
Oil Check the amount of oil in the reservoir (fig. 2-3) Add oil a
necessary.
X
X
Leaks, general Check around the hydraulic cylinder, directional
control valve, line, and fitting for any indication of oil leakage
X
X
Vehicle equipment Inspect the equipment for any visible me that
would make it unfit for use Inspect the moldboard cutting edge
to make certain it is securely mounted and is not nicked or
X
X
dulled.
Control With the engine running, operate the bulldozer control to
X
determine whether they are in good operating condition
Operating observations. While the bulldozer is in operation, be
alert for any sounds, such as rattle knocks, or squeaks that may
indicate signs of trouble Note any usual or unsatisfactory
performance Unusual noises or unsatisfactory performance
should be investigated at once.
X
Clean equipment Wipe dirt, oil and grease from all components.
may have developed during operation. Assemblies that
require inspection or service shall be inspected as soon
a. Before-operation service. This is a brief service
as possible after parking the vehicle. Defect and
to determine if the bulldozer is ready for operation. It is
malfunctions that occurred during the day must be
a check to see if conditions affecting the readiness
corrected. All defects not authorized for repair by driver
status have changed since the last after operation
or crew, must be reported to the squad, section, or
service.
platoon leader, or other designated authority.
b. During-operation service. This service consist
of detecting any unsatisfactory performance. While
operating the bulldozer the operator or crew should be
3-21. Inspection and Procedures.
alert for any unusual noises or any indications of
malfunction. All deficiencies detected while operating
3-22. Organization. The quarterly "Q" preventive-
the bulldozer shall be investigated, and either corrected
maintenance service (table 3-2) will be performed by the
r reported to a higher level of maintenance.
organizational maintenance personnel, with the
c. After operation service. The purpose of the
assistance of operator or crew, every three months, or
after-operation is to prepare the equipment to operate at
750 miles, whichever occurs first.
a moment's notice.
This basic daily service is
particularly important that the operator or crew inspects
the equipment thoroughly to detect any deficiencies that
3-2