DRAFT
TM 5-4210-249-13&P-1
0042
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WARNING
ICON 72
Do not let pressure exceed 125 psi (862 kPa). Failure to comply may result in injury
or death to personnel or damage to equipment.
NOTE
If pressure exceeds 125 psi (862 kPa) notify Supervisor.
7.
Start water pump engine (WP 0022).
8.
Open supply valve on positive water source.
9.
Prime water pump (WP 0023).
10. Set pressure governor (WP 0024).
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TFFT2212
CAUTION
Cavitation can occur when pumping and air enters water. If engine speed increases
without an increase in pressure, pump may be cavitating. Even though pump may
be primed, air leaks can cause rough operation and an increase in engine speed
without an increase in pressure or flow. If an air leak is suspected, discontinue
pumping and isolate problem. Cavitation can also occur with large nozzle tips.
Solve this problem by reducing flow. Failure to comply may result in damage to
water pump.
11. Remove cap (8) from NO. 1 DRIVER SIDE DISCHARGE (9).
0042-3
