Water Spray Water Lines Pinched or Damaged.
Check for pinched or damaged water lines.
If water line(s) is pinched or damaged, replace water line(s) (Volume 2, WP 0273).
Figure 1. Water Spray System Water Lines.
Water Spray Pump Faulty.
Remove four screws, washers, and cover from each bumper assembly.
Loosen two hose clamps and disconnect input and output water lines from water spray pump.
Attach a line from input side of pump to a 5 gal bucket full of clean water.
Attach a line from output side of pump to a pressure gauge and plug cock.
Open plug cock.
Move water spray switch into continuous spray (full back) position.
Turn battery disconnect switch to ON position (TM 5-3895-379-10).
Turn engine start switch to ON position (TM 5-3895-379-10).
Close plug cock slowly until pressure gauge reads 20 psi.