Pierce Pumper - Page 4

TABLE OF CONTENTS
ii / Pierce Pumper
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3-3 POSITIONING THE APPARATUS ...................................................................................................................... 3-6
3-3.1 F
IRE SCENE POSITIONING ............................................................................................................... 3-6
3-3.2 P
OSITIONING ON ROADS .................................................................................................................. 3-6
3-3.3 L
IGHTING ........................................................................................................................................ 3-6
3-3.4 C
HOCK THE WHEELS ....................................................................................................................... 3-6
Pump Engagement and Disengagement
3-4 DRIVELINE DRIVEN PUMP .............................................................................................................................. 3-7
3-4.1 P
UMP ENGAGEMENT ....................................................................................................................... 3-7
3-4.2 M
ANUAL PUMP SHIFT OVERRIDE (OPTIONAL) ................................................................................. 3-11
3-4.3 P
UMP DISENGAGEMENT (DRIVELINE DRIVEN PUMP) ....................................................................... 3-13
3-5 PTO-D
RIVEN PUMP .................................................................................................................................... 3-15
3-5.1 T
O ENGAGE THE PUMP—STATIONARY OPERATION ........................................................................ 3-15
3-5.2 E
NGAGING PTO-DRIVEN PUMP WHEN VEHICLE IS DRIVING (OPTIONAL) .......................................... 3-16
3-5.3 D
ISENGAGING THE PUMP - PTO DRIVEN PUMP (STATIONARY OPERATION) ..................................... 3-17
3-5.4 D
ISENGAGING THE PUMP - PTO DRIVEN PUMP (PUMP AND ROLL OPERATION) ............................... 3-17
Supply and Discharge Water and Foam
3-6 SUPPLY WATER TO PUMP ........................................................................................................................... 3-18
3-7 D
ISCHARGING FOAM ................................................................................................................................... 3-21
3-8 D
ISCHARGING WATER ................................................................................................................................. 3-21
3-8.1 D
ISCHARGE AND DRAIN/BLEEDER VALVES ..................................................................................... 3-21
3-8.2 C
ONNECTING ATTACK LINE HOSE .................................................................................................. 3-22
3-8.3 C
HARGING LINE ............................................................................................................................ 3-23
3-9 O
PERATING FROM A STATIC (DRAFT) WATER SUPPLY ................................................................................. 3-24
3-9.1 S
UPPLY WATER TO PUMP FROM OPEN OR DRAFT SUPPLY ............................................................. 3-24
3-10 C
HANGING FROM TANK TO EXTERNAL PRESSURIZED WATER SUPPLY (WITH GATED INTAKE VALVE) ............ 3-25
3-11 C
HANGING FROM TANK TO PRESSURIZED WATER SUPPLY (WITHOUT GATED INTAKE VALVE) ...................... 3-28
3-12 R
EFILLING THE TANK .................................................................................................................................. 3-30
3-13 P
UMP PRIMING PROBLEM SOLUTIONS ......................................................................................................... 3-30
3-13.1 C
ONTROL VALVES THAT LEAK ....................................................................................................... 3-30
Pump Pressure Control and Systems Monitoring
3-14 PUMP PRESSURE CONTROL ........................................................................................................................ 3-31
3-14.1 E
NGINE SPEED AND PUMP PRESSURE ........................................................................................... 3-31
3-14.2 D
ETERMINING DISCHARGE PRESSURE ............................................................................................ 3-31
3-14.3 P
UMP PRESSURE CONTROL - WITHOUT PRESSURE GOVERNOR ...................................................... 3-32
3-14.4 P
UMP PRESSURE CONTROL WITH PRESSURE GOVERNOR (PUMPING) ............................................. 3-34
3-14.5 P
UMP PRESSURE CONTROL WITH PRESSURE GOVERNOR (NOT PUMPING) ..................................... 3-35
3-14.6 C
ONTROLLING ENGINE SPEED WITH MULTIPLE CONTROLS .............................................................. 3-35