TM 9-2320-269-10
Section IV OPERATING THE DERRICK AND AUXILIARY EQUIPMENT
The information in the following pages contains the procedures used in operating the M876 truck derrick, its components,
auxiliary equipment, attachments, starting and stopping the engine from the cab, at the operator's console and emergency
power operation. Precautionary guidelines are given for setting and operating the M876 truck mission equipment controls.
Make sure you know these guidelines, as well as the operating procedures, so you will be able to respond to different
situations.
Page
Page
Auxiliary Tool-
Operation-Body Winch
Equipment Stowage ............................... 2-145
Attachments ........................................... 2-106
Battery Jump Starting .................................. 2-146
Operation-Turret Winch .............................. 2-128
Decals-Data Plates and
Placing Derrick into Operation .................... 2-114
Instruction Plates .................................... 2-151
Raising and Lowering
Extending and Retracting
the Derrick Leg ....................................... 2-118
the Derrick Leg ....................................... 2-120
Removing the Basket(2)
Extension-Retraction
and Support Brackets............................. 2-126
Fiberglass Extension .............................. 2-121
Rotating the Derrick Leg ............................. 2-119
Knowing the Derrick
Safety Notes-Positive and
Operating Controls ................................. 2-117
Negative Derrick Operation .................... 2-108
Mounting the Basket
Starting and Stopping
Support Brackets .................................... 2-124
Engine from the Console........................ 2-110
Mounting the Basket(s) to the
Using Emergency Power............................. 2-112
Basket Supporting Brackets ................... 2-125
Using the Auger .......................................... 2-130
Operating Derrick
Controls from the Basket ........................ 2-127
Operating the Body Winch ............................ 2-99
Operating the Front Winch ............................ 2-94
Operating-Auxiliary
Equipment .............................................. 2-137
WARNING
HIGH VOLTAGE
DEATH ON CONTACT
May result if personnel fail to observe
Safety precautions
High voltage or low voltage overhead power lines are dangerous. Use extreme care when working on
telephone, and or utility poles. Power supply must be shut off, if possible, or move power lines to provide
a wide, safe and clear work area when the M876 truck is operated with the derrick in raised and vertical
position. Death to the derrick operator can occur if top of derrick makes contact with live overhead power
lines.
Change 1 2-93