TM 5-3805-281-24-2
Hydraulic System
33
3360
11. Continue procedure until oil temperature is within
IMPORTANT: Holding a function over relief for
18
specifications.
more than 10 seconds can cause
damage from hot spots in the
Hydraulic Oil--Specification
control valve.
Temperature .................................................... 50 5C (120 10F)
9. Operate the propel function (side with track off the
ground). Also operate the bucket curl function over
relief for 10 seconds and then stop for 5 seconds.
Repeat the cycle until oil is heated to specifications.
10. Stop periodically and operate all hydraulic
functions to distribute the heated oil.
TX,25,GG2232 1920NOV972/2
LOWER BOOM WITH ENGINE STOPPED
(USING BOOM CYLINDER LOAD LOWERING
VALVE)
When an engine stops during operation, the boom cannot
be lowered using the pilot controller because there is no
pilot pressure oil to move the boom valve spool or to
unlatch the boom load lowering valves.
Continued on next page
CED,OUOEBAS,6
1924JAN001/2
