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Figure 2-1. Suction and discharge heads and screens, removal and installation.
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TM-5-4210-213-35 Truck Firefighting: Powered Pumper: Foam and Water 500-GPM Capacity; Centrifugal Pump Power Takeoff Driven Manual
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Drain Line Valve
CHAPTER 3
REPAIR INSTRUCTIONS
Section I. CONTROL VALVES, LINES AND FITTINGS
3-1. General
d. Cleaning
.
Clean all parts in an approved
A series of valves and piping mounted to the fire
cleaning solvent and dry thoroughly.
pump perform such functions as filling the water tank,
e. Inspection and Repa.r  Inspect all parts for
i
discharging  either  water  or  a  water  and  foam
wear, defects, and damage.  Replace or repair worn,
combination, through the reel hose, or draining the fire
defective, or damaged parts as necessary.
pump.
All  operating  valves,  except  the  foam
f. Reassembly
.
Refer  to  figure  3-2  and
proportioning valve and tank drain valve are of the
reassemble the suction and discharge valves in the
quarter-turn quick opening ball type.
reverse order.
g. Installations Refer to figure 3-1 and install the
.
3-2. Water and Foam Pipes and Fittings
suction and discharge valves on the suction and
a. General. The water and foam pipes and fittings
discharge head.
provide a water and foam passage from the fire pump to
the water and foam tanks.
3-4. Hose Reel Valves, Tank Fill Valve, and Tank
b. Removal. Refer to figure 3-1 and remove the
Suction
water and foam piping from the pump assembly.
a. General.  The hose reel, tank fill, and tank
c. Disassembly  Separate the pipes, valves and
.
suction valves control the intake and outlet of liquid to
fittings.
the hose reels and tanks.
d. Cleaning  Clean all parts with an approved
.
b. Removal. Refer to figure 3-1 and remove the
cleaning solvent and dry thoroughly.
hose reel valves.
e. Inspection and Repair. Inspect all parts for
c. Disassembly
.
Refer  to  figure  3-3  and
wear, damage, or defects.
Replace damaged or
disassemble the hose reel valve, tank fill valve, and
defective parts as necessary.
tank suction valves.
f. Reassembly. Connect the pipes, valves and
d. Cleaning.  Clean all parts in an approved
fittings.
cleaning solvent and dry thoroughly.
g. Installation. Refer to figure 3-1 and install the
e. Inspection and Repair. Inspect all parts for
piping assembly on the pump assembly.
wear, defects, and damage.  Replace or repair worn,
defective, or damaged parts as necessary.
3-3. Suction and Discharge Valves
f. Reassembly.
Refer  to  figure  3-3  and
a. General.  The suction and discharge valves
reassemble the hose reel valves, tank fill valves, and
control the intake and outlet of liquid to and from the fire
tank suction valve in the reverse order.
pump.
g. Installation. Refer to figure 3-1 and install the
b. Removal. Refer to figure 3-1 and remove the
hose reel valves, tank fill valve, and tank suction valve
suction and discharge valves from the suction and
on the pump assembly.
discharge heads.
c. Disassembly
.
Refer  to  figure  3-2  and
3-5. Water Tank Drain Valve
disassemble the suction and discharge valves.
a. General. The water tank drain valves provide a
method of draining the water tank.
3-1

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