TM 10-4610-310-14
0004 00
HIGH-PRESSURE PUMP MODULE - continued
Table 5. High-Pressure Pump Module Controls and Indicators.
KEY
CONTROL OR INDICATOR
FUNCTION
1
Fuel level gauge
Indicates diesel fuel level in 3.5 gallon (13.5
liter) tank
2
Plunger pump sight glass
Indicates oil level in high-pressure pump
3
Diesel engine throttle with 32-inch
Controls engine revolutions per minute for
Morse vernier head
operation of the plunger pump
4
High-pressure switch, 620 to 1500 psi,
PSH-3
control module
5
Low-pressure switch, 30 to 250 psi,
Controls low pressure
PSL-3
6
Flow meter, 0.5 to 5 GPM, 150 psi, FI-
Used to control water flow through module
3
7
Pulsation dampener, rechargeable
Controls vibration in high-pressure piping
8
Air operated butterfly valve used to shut
down the diesel engine in an emergency
condition.
9
Diesel engine dipstick
Has a built-in indicator on the cap, one on
each side of the engine
10
Fuel tank shutoff valve
Open or close to supply or deny diesel fuel to
the engine during operation or maintenance
5
3
4
7
6
9
Figure 10. Switches, Meter, Dampener, and Throttle on High-Pressure Pump Module.