 |
|||
|
|
|||
|
Page Title:
Table 5-1. Direct Support Troubleshooting - Continued |
|
||
| ||||||||||
|
|
 TM 5-4930-233-14
TM 4930-14/1
Table 5-1. Direct Support Troubleshooting - Continued
ITEM
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
GREASE CONTROL VALVE
1.
LUBRICANT LEAKS OUT OF GREASE COUPLING WHEN VALVE IS NOT IN USE
Step 1. Check control valve for proper adjustment.
Adjust control valve (paragraph 5-9).
Step 2. Check spring, plunger, and seat assembly for wear.
Replace spring, plunger, and seat assembly if worn (paragraph 5-9).
2.
LUBRICANT LEAKS OUT OF TOP OF GREASE CONTROL VALVE
Check preformed packings in packing plug for wear.
Replace preformed packings (paragraph 5-9).
3.
LUBRICANT LEAKS OUT OF BOTTOM OF GREASE CONTROL VALVES
Step 1. Check bushing and locknut at inlet for looseness.
Tighten bushing and locknut.
Step 2. Check packing ring in stem of control valve for wear.
Replace packing ring (paragraph 5-9).
4.
GREASE CONTROL VALVE HAS NO "ONE SHOT" CAPABILITIES
Step 1. Check control valve for correct adjustment.
Adjust control valve (paragraph 5-9).
Step 2. Inspect spring, plunger, and seat assembly for wear.
Replace spring, plunger, and seat assembly if worn (paragraph 5-9).
5.
GREASE CONTROL VALVE FAILS TO DELIVER GREASE WHEN TRIGGER IS OPERATED
Check control valve for proper adjustment
Adjust control valve (paragraph 5-9).
5-4
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals