TM-9-2320-272-10
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
SEPTEMBER 2004
CHANGE 2
TM-9-2320-272-10 - Page 100 of 481
TM 9-2320-272-10
CHAPTER 2
OPERATING INSTRUCTIONS
Section I.
Description and Use of Operator’s Controls and Indicators (page 2-1)
Section II.
Operator Preventive Maintenance Checks and Services (PMCS)
(page 2-28)
Section III. Operation Under Usual Conditions (page 2-100)
Section IV. Operation Under Unusual Conditions (page 2-201)
Section V.
Operation of Special Purpose Kits (page 2-217)
Section I. DESCRIPTION AND USE OF
OPERATOR'S CONTROLS AND INDICATORS
2-1
Before you attempt to operate your equipment, ensure you are familiar with the
location and function of all controls and indicators. The location and function of
controls and indicators for the M939, M939A1, and M939A2 series vehicles are
described in this section as follows:
a. Chassis Controls and Indicators:
paragraph 2-3.
b. Body Equipment Controls and Indicators:
paragraph 2-4.
c. Special Kits Controls and Indicators:
paragraph 2-5.
2-1. KNOW YOUR CONTROLS AND INDICATORS
NOTE
• Except where specifically noted, the controls and indicators in this
section are generally applicable to all vehicles covered in this
manual.
• In this manual, the term left indicates the driver’s side of the
vehicle. The term right indicates the opposite, or crew’s side of the
vehicle.
When a vehicle is received by the using organization, it is the responsibility of the
officer-in-charge to determine whether it has been properly prepared for service by the
supplier. It is the responsibility of the officer-in-charge to ensure the vehicle is in
condition to perform its functions. Unit maintenance will provide any additional service
required to bring the vehicle to operating standards. Before operating the vehicle, the
operator must become familiar with the vehicle controls and indicators as described in
this chapter.
2-2. PREPARATION FOR USE
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