TM 5-1940-322-24
0006 00
MECHANICAL SYSTEMS TROUBLESHOOTING (Contd)
Table 3. Hydrojet Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check reverse deflector for signs of
1. Remove debris from reverse
6. REVERSE
debris obstruction operation.
deflector (TM 5-1940-322-10).
DEFLECTOR
INOPERATIVE
2. Check for missing or loose
2. Replace or tighten drive belts
hydraulic pump drive belts.
3. Check linkage for proper operation.
4. Check oil level in scoop control
4. Fill hydraulic reservoir to proper
hydraulic reservoir.
5. Check operation of scoop hydraulic
5. Repair or replace scoop hydraulic
control valve.
7. NOISY HYDROJET
WITH NO LOSS OF
POWER OR SPEED
1. Inspect drain hole for blockage.
Clear drain hole.
8. EVIDENCE OF
WATER MIXING
2. Inspect seal and seal faces for
Replace seal and other faulty
WITH GREASE IN
damage.
BEARING HOUSING
Table 4. Scuppers Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Inspect scupper drains for blockage or
1. SCUPPERS DO NOT
damage.
DRAIN WATER
2. Replace damaged scupper drains
FROM BOAT
Table 5. Windshield Wipers Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Ensure wiper blades contact
If wiper blades do not contact windshield
1. WINDSHIELD
windshield (TM 5-1940-322-10).
check for damaged windshield wiper
WIPERS OPERATE
arm. If damage is present, replace wiper
BUT DO NOT CLEAN
WINDSHIELD
2. Inspect windshield wiper blades.
If windshield wiper blade is defective,
END OF WORK PACKAGE