CHAPTER 2
O P E R A T I N G INSTRUCTIONS
WARNING
If equipment fails to operate, refer to
troubleshooting procedures in chapter 3.
Section I. SERVICE UPON RECEIPT OF MATERIEL
2-1. Genera1
(2) Special procedures.
(a) Perform the "S" semiannual preventive
When new, lised, or reconditioned materiel is first
maintenance.
received, it is the responsibility of the officer in
(b) L u b r i c a t e a l l lubrication points
charge to determine whether the materiel has been
illustrated in the Lubrication Chart (fig. 3-1),
properly prepared for service by the supplying
regardless of interval.
organization and to be sure it is in condition to
(c) Schedule second "S" semiannual
perform its function. For the purpose, inspect all
preventive maintenance service on DA Form 2403,
assemblies, subassemblies, and accessories to be
Preventive Maintenance Roster.
sure they are properly assembled, secure, clean, and
(d) Deficiencies which appear to involve
correctly adjusted and / or lubricated. Check all
unsatisfactory design or material will be reported in
tools and equipment to be sure every item is
accordance with TM 38-750.
present, in good condition, clean, and properly
(e) Perform a "break-in'" of 25 miles at a
mounted or stowed.
maximum speed of 30 mph.
2-2. Inspecting and Servicing the Equipment
b. Before-Operation Service. This is a brief
a. Preliminary Services.
service to ascertain that the trailer is ready for
(1) General procedures.
operation; it is mainly a check to see if conditions
(a) If any exterior surfaces are coated with
affeeting the vehicle's readiness have changed since
rust preventive compound, remove it with dry
the last after-operating service. Refer to table 3-1
cleaning solvent or mineral spirits paint thinner.
for preventive maintenance service.
(b) Read "Processing and Reprocessing
Record for Shipment, Storage and Issue of Vehicles
and Spare Engines," DD Form 1397, and follow
all directions carefully.
Section II. CONTROLS AND INSTRUMENTS
2-3. General
to return, releasing the brakes. The parking brake
should be applied whenever the trailer is discon-
This section describes, locates, illustrates, and
nected from the towing vehicle and must always be
furnishes the operator with information pertaining
released before the trailer is moved.
to the various controls provided for the operation of
the vehicle. It also contains instructions for the
2-5. Support Leg Plunger Handle
mechanical steps necessary to operate the trailer
under usual conditions. F o r operation under
The position of the support leg can only be changed
unusual conditions refer to section IV.
when the plunger which secures it has been pulled
2-4. Parking Brake Hand Lever
out against the tension of its spring. The leg can be
moved to the up or down position, and the plunger
allowed to drop in place. The plunger handle is
The parking brake is operated by a hand lever
located slightly in front of the support leg under the
located on the right front of the body. The brake is
drawbar. Before the trailer is disconnected from a
actuated by pulling the lever toward the right side
towing vehicle the support leg should always be in
of the trailer. The ratchet will hold the brake in the
the down position to support the front of the trailer.
applied position. Squeezing the lever grip will
release the ratchet and allow the brake hand lever
2-1
