TM 5-1940-322-10
0041 00
MECHANICAL TROUBLESHOOTING (Contd)
Hydrojet Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. BOAT VIBRATION FELT WHILE UNDER WAY/LOSS OF THRUST
Step 1. Check for debris in hydrojet intake grill.
Step 2. Check drive shaft couplings and U-joints for damage.
If driveshaft couplings or U-joints are damaged, notify Field
maintenance.
Step 4. Check engine mounting brackets and hardware for tightness.
END OF TESTING
Scupper Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. SCUPPERS DO NOT DRAIN WATER FROM BOAT
Inspect scupper drains for blockage or damage.
a. Clean scupper drains.
b. If scupper drains are damaged, notify Field maintenance.
END OF TESTING
END OF WORK PACKAGE