Table 5-2. DS/GS Troubleshooting - CONT.
Test or Inspection
4. HIGH OIL CONSUMPTION.
Step 1. Check for head gasket leaks.
Replace leaking gasket (para 5-13).
Step 2. Check for damaged or broken piston rings, pistons, or cylinders.
Replace damaged or broken piston rings, pistons, or cylinders (para 5-19).
Step 3. Check exhaust pipe for wetness or oil discharge.
If wetness or oil discharge is present, replace valve guides.
5. EXCESSIVE BLACK OR GRAY SMOKE.
Step 1. Check throttle control screws for proper adjustment.
Reset adjustments if not properly set (para 4-23).
If settings are OK go to step 2.
Step 2. Check for worn or clogged fuel injectors.
Replace injectors as required (para 5-30).
6. BLUE EXHAUST SMOKE.
Indicates oil being burned in cylinder. Refer to "High Oil Consumption" troubleshooting procedure.
Section lIl. MAINTENANCE PROCEDURES
Instructions in this section provide general procedures to be followed for inspection, removal, cleaning, repair,
replacement, or installation of components, and testing authorized at the direct support/general support maintenance
level as specified by the Maintenance Allocation Chart (MAC).
Servicing. All services are performed at the unit support level of maintenance according to the MAC. If the
sweeper needs further service, refer to Chapter 4, paragraph 4-11.