TM-5-4210-249-13-P-2

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 2 OF 4

TM-5-4210-249-13-P-2 - Page 892 of 1452

TM 5-4210-249-13&P-2

0193-4

DRAFT

0193

PRESSURE GOVERNOR PRESET PSI ADJUSTMENT

NOTE

•

RPM and PSI are parameters that may be preset and adjusted by the pressure governor

control panel.

The preset programming mode is enabled when the PRESET switch is held

for 10 seconds, after power is applied to the governor control panel.

RPM presets are not

used.

•

The RPM and PSI preset parameters are set

by Pierce Manufacturing as follows:

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1.

Press and hold PRESET switch (1) until PRESET is displayed in MESSAGE CENTER (2).

2.

Press MODE switch (3) until PSI PRESET is displayed in MESSAGE CENTER (2).

3.

Adjust the governor control panel PSI PRESET value by using INC switch (4) and DEC switch (5) until desired

PSI is displayed.

4.

Press PRESET switch (1) to store value.

MESSAGE CENTER (2) will display STORING.

Table 3.

Personnel Cab Governor Control

RPM

None

PSI

225

Table 4.

Pump Operator’s Panel Governor Control

RPM

None

PSI

125

TFFT04426