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 77 of 1318

TM 9-2320-328-13&P-1
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HWT0192
Figure 14. Cab/Pump Operator’s Panel Pressure Governor Controls.
Key
Fig. 14
Control or Indicator
Function
1
Pump Engaged Indicator Light
Illuminates green once vehicle PTO has been engaged.
2
Throttle Ready Indicator Light
Illuminates green once vehicle PTO has been engaged, vehicle's
transmission is in neutral, vehicle’s parking brake is activated, and
vehicle’s high idle has been engaged.
3
Mode Button
Allows user to toggle between pressure mode and manual mode.
4
Preset Button
Used to command pressure governor to automatically set itself to a
predetermined pressure setting or pump displacement solenoid
position.
5
Idle Button
Allows user to slow flow of water and return pump to a neutral
state.
6
Increase Selection
Allows user to adjust output of water flow manually.
If system is in
pressure mode, user may increase pressure in 3 psi increments for
every button push or 75 psi for every button hold.
If system is in
manual mode, user may increase pump displacement solenoid
output by 1% for every button push or 25% for every button hold.
7
Decrease Selection
Allows user to adjust output of water flow manually.
If system is in
pressure mode, user may decrease pressure in 3 psi increments
for every button push or minimum pressure for a button hold.
If
system is in manual mode, user may decrease pump displacement
solenoid output by 1% for every button push or down to 0%
displacement for a button hold.
8
Return Button
Returns display to previous screen.
9
Home
Returns display to HOME screen.
10
OK Button
Used if an option or command requires a confirmation step before
proceeding with another command.


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