CHAPTER 4
ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF MATERIEL
For services upon receipt of materiel refer to
Section Il. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
4-2. Special Tools and Equipment
4-1. Tools and Equipment
Standard and commonly used tools and equipment
Certain tools and equipment specially designed for
organizational maintenance, repair and general use
having general application to this materiel are
authorized for issue by Tables of Allowances and
Tables of Organization and Equipment.
Section Ill. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
months in so far as practicable in accordance with
4-3. General
the procedures outlined in table 4-1.
All of the general procedures given in paragraph 3-
b. Purpose. The "S" preventive maintenance
4 will be followed. Organizational mechanics must
service insures the correct adjustment, securing,
be so thoroughly trained in these procedures that
and assembly of all components of the vehicle.
they apply them automatically at all times in the
Necessary replacements, cleaning, lubrication, and
performance of their duties.
protection of parts and assemblies will be ac-
4-1. Checks and Services
c o m p l i s h e d , as required, to give reasonable
a. Intervals. The semiannual "S'" service is
assurance of trouble free operation until the next
performed by organizational mechanics every six
semiannual "S" service is performed.
Table 4-1. Preventive Maintenance Checks and Services
Semiannual Schedule
Organizational maintenance category
Sequence
Procedure
Para reference
Item to be inspected
No.
Remove penetrating objects such as nails or glass. Gage
4-6, 4-27
TIRES
1
tires for correct pressure.
2
2-1, 2-2
V i s u a l l y inspect body, chassis, towing connections,
VEHICLE EQUIPMENT
check springs and shocks for damage.
4-14, 4-15, 4-16
Visually inspect electrical wiring, conduits and shielding.
ELECTRICAL
WIRING
3
4-17, 4-18, 4-19, 4-20
Operate trailer handbrake lever to see if handbrakes
4
BRAKES
hold the trailer securely. Inspect handbrake
mechanism.
2-3, 2-4, 2-5, 2-6
At all times during the road test be alert for unusual or
5
GENERAL
OPERATION
excessive noises that may indicate damage, looseness,
defects, or deficient lubrication in attachments,
landing leg or wheels.
4-14,4-15,4-16
During stops in road test observe operation of lights,
LIGHTS
6
4-7,4-17
Immediately after road test cautiously feel brakedrums
7
BRAKE TEMPERATURE
and hubs. An overheated wheel hub and brakedrum
i n d i c a t e an improperly adjusted, defective or dry
wheel bearing or a dragging brake.
Oil, grease. Make general observations of the landing
8
LEAKS
leg, and axle assemblies for oil or grease.
4-1