TM 9-2590-20-14&P
CHAPTER 2
OPERATINO INSTRUCTIONS
Section I.
OPERATING INSTRUCTIONS
2-1. Introduction.
a. This section contains operating instructions and
information needed to locate and operate M9 bulldozer
controls and instruments.
b. Prior to operating the vehicle, perform the before
operation preventive maintenance checks and services
a. Magnetic Clutch and Hydraulic Pump Switch.
The hydraulic pump magnetic clutch is controlled by
moving the hydraulic pump switch mounted on top of
instrument panel in the driver's compartment up or down.
The switch is set to ON position to engage magnetic
clutch and set to OFF position to disengage magnetic
clutch.
b. Carrying Hooks Control Handle Assembly. The
carrying hooks are engaged or disengaged by a
manually operated control handle mounted on the hull in
front of the driver's hatch.
The carrying hooks are
released by pushing forward on the control handle after
the blade assembly has been raised. To engage
carrying hooks, raise blade assembly and pull control
handle rearward.
c. Blade Assembly Manual Control Lever. The
directional control valve lever that controls the blade
assembly operation is located in the driver's
compartment. Movement of the lever into one of its four
positions will directly affect blade assembly accordingly.
Figure 2-1. Controls.
2-1