TM 55-1930-209-14&P-21
CHAPTER 5 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I.
Special Tools and Equipment
5-1. Special tools and equipment. No special tools or equipment are required by Direct Support maintenance
personnel for performing maintenance on the winch assembly.
Section II. Direct Support Troubleshooting
5-2
General. For a general description and purpose of the troubleshooting table, refer to paragraph 3-5.
5-3
Direct support maintenance troubleshooting. Table 5-1 lists the winch assembly troubleshooting malfunctions
for direct support maintenance personnel.
Table 5-1. Direct Support Maintenance Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Engine Fails to Start
Step 1. Check for defective fuel pump.
Repair or replace fuel pump (paras 5-37 thru 5-39).
Step 2. Check for defective fuel injector.
Repair or replace fuel injector (paras 5-33 thru 5-35.
Step 3. Check for poor compression.
Repair or replace valves (paras 5-66 thru 5-67).
2. Engine Misses
Step 1. Check for defective fuel injector.
Test fuel injector (para 5-33). Repair or replace fuel injector (paras 5-33 thru 5-35).
Step 2. Check for defective fuel pump.
Repair or replace fuel pump (paras 5-37 thru 5-39).
Step 3. Check for burned or sticking valves.
Grind or replace valves (paras 5-66 thru 5-67).
3. Engine Produces Excessive Smoke at Idle Speed
Step 1. Check for dirty or damaged fuel injector.
Repair or replace fuel injector (paras 5-33 thru 5-35).
5-1
