TM-9-2320-328-13-P-1

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3

MARCH 2009
TM-9-2320-328-13-P-1

  TM-9-2320-328-13-P-1 - Page 70 of 1318

TM 9-2320-328-13&P-1
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HWT0017
Figure 7. Bumper Turret Controls (Sheet 2 of 2).
Key
Fig. 7
Control or Indicator
Function
6
OSCILLATION ON/OFF Switch
Used to activate and deactivate bumper turret auto-oscillation
mode.
Joystick control handle can be used to elevate or depress
bumper turret nozzle during auto-oscillation mode.
Joystick
control handle will override auto-oscillation mode back to joystick
control mode if moved left or right during auto-oscillation mode.
To
reactivate auto-oscillation mode after joystick override, push
oscillation toggle to
|
(on) position.
Bumper turret will always
reactivate to the left.
7
OSCILLATION LIMITS Control
Knob
Used to set left/right limits of auto-oscillation mode. Two oscillation
limit control knobs are stacked together.
Small knob on top
controls right oscillation limit.
Larger knob on bottom controls left
limit angle.
Pin on top of each knob is set point for oscillation limit
control.
8
HORIZONTAL SPEED Control
Rotary adjustment to regulate rotation and sweep speed of
bumper turret when in joystick control mode or auto-oscillation
mode.
Full slow position will not stop bumper turret operation.


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