TM 9-2590-209-14&P
CHAPTER 5
DIRECT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I.
SERVICE UPON RECEIPT OF MATERIEL
5-1.
General. When new, used, or reconditioned
5-3.
Preparation. If a bulldozer kit is to be installed,
materiel is first received by direct or general support
proceed as follows:
personnel, it is the responsibility of the officer in charge
to determine whether the equipment has been prepared
a. Remove bulldozer parts from kit.
properly for service by the supplying organization, and to
insure it is in condition to perform its intended function.
c. Notify the officer in charge if there are missing
5-2.
Inspection.
Upon arrival of a new or
parts.
reconditioned M9 bulldozer, the direct or general support
maintenance mechanics will inspect all assemblies,
subassemblies, and accessories to insure that they are
components for kit installation, and Chapter 9 for
assembled properly, secured, clean, adjusted correctly,
installation of bulldozer kit.
and lubricated. Check all tools and equipment to insure
that all items are present, in good condition, and
mounted properly or stowed.
Section II. GENERAL MAINTENANCE
b. Bearings. Remove dirt, oil, or grease from
5-4.
General This section contains general cleaning,
bearings that can be cleaned using either dip-tank or
inspection, and repair instructions. Instructions for a
vapor-degreaser method. Dip and agitate bearings in
specific component are covered in the appropriate
clean drycleaning solvent (PD-680). Dry thoroughly and
coat with thin film of lubricant. Wrap tightly in oiled paper
until ready for assembly.
5-5.
Cleaning.
5-6.
Inspection and Repair of Cast Parts and
a. Mechanical Parts.
Machined Surfaces.
(1) Remove dirt and other foreign matter from
all metal surfaces. This can be done by the dip-tank
a. Inspect cast parts for cracks or fractures.
method or vapordegreaser method, or by cleaning with
Inspect interiors for scores and burrs.
cloth soaked in drycleaning solvent (PD-680). In the dip-
tank method, agitation for approximately 1 minute in
b. Inspect
machined
surfaces
for cracks,
each tank is sufficient. In the vapor degreaser method,
fractures, galling, pitting, scoring, or corrosion.
treatment for about 2 or 3 minutes is sufficient.
c. Remove minor scores and burrs from machined
surfaces and interior of cast parts with a fine stone or
areas with a stiff bristled brush and/or scraper.
crocus cloth that has been dipped in drycleaning solvent
(PD680). Replace part if it is cracked,
5-1