HYDRAULIC SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
RELIEF VALVE (MAIN, LOAD SENSING) TEST AND ADJUSTMENT
WARN I N G
Injury to personnel can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in hydraulicsystem after engine has been stopped. Serious
injury to personnel can result if pressure is not released before any service is done on hydraulic
Make sure all attachments have been lowered andoil is cool before removing any components or
Remove oil filler cap only when en ine is stopped and filler cap is cool enough to touch with your
Sudden movement or accidental starting of machne can cause injury or death to personnel on or
N OT E
Use a container to catch any fluid that may drain from hoses or systems. Dispose of fluid IAW local policy
and ordinances. Ensure all spills are cleaned up.
Start and run engine at low idle (TM 5-3805-291-10).
Position lift arms (19) on jack stands.
Stop engine (TM 5-3805-291-10).
Remove front guard (20) from machine to access main control valve (21).