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 TM 55-1905-223-24-16
Table 4-1 lists the common fault conditions that may be found during operation or maintenance of the equipment. This
table assumes that all corrective measures listed in Table 2-2 have been taken and the problem still persists. Look for
causes and do corrective actions in the order listed. This manual cannot list every symptom that may show up, and it
cannot list all of the possible causes and corrective actions. If a symptom is not listed, or if it keeps up after you have
performed the corrective actions, notify your supervisor.
Table 4-1. Troubleshooting
Malfunction
Test or Inspection
Corrective Action
1. Excessive temperature in hydraulic system.
STEP 1.
Check for air in hydraulic system and defective shaft seal. Replace shaft seal plate in hydraulic motor
2. Winch rotates too slow or will not rotate.
STEP 1.
Check for defective brake reducer mount. Replace brake reducer mount (para. 4-13 item u).
STEP 2.
Check for defective brake reducer coupling (para. 4-13 item v).
STEP 3.
Check to see if the winch shaft is binding. Replace winch (para. 4-13).
STEP 4.
Check for noise coming from the gearbox. Replace gearbox (para. 4-16).
3. Hydraulic power pack delivers no pressure or low pressure.
STEP 1.
Check for defective hydraulic pump shaft. Replace hydraulic pump shaft (para. 4-19).
STEP 2.
Check for broken parts inside the hydraulic pump.
a.
Repair the hydraulic pump (paragraph 3-18).
b.
Replace the power pack (para. 4-17).
4. External hydraulic fluid leakage around hydraulic pump shaft or housing.
STEP 1.
Check for defective hydraulic shaft seal or pump shaft. Repair hydraulic pump (para. 4-19).
SECTION V. INTERMEDIATE GENERAL SUPPORT MAINTENANCE PROCEDURES
4-11. General. This section covers intermediate general support maintenance procedures for the stern anchor winch
assembly. Principles of operation of the assembly are discussed in Chapter 1, Section III. Step-by-step procedures,
supported by illustrations where necessary, are provided for removal, disassembly, inspection, cleaning, repair, assembly
and replacement as detailed in the following paragraphs.
4-3
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