11. Disconnect drain line (A) at propel motor. Install a
plug in the line.
12. Connect a line to fitting on motor. Put line in a
13. Repeat the procedure. Run machine at specifications.
14. For propel motor being checked, actuate propel
function at full speed for one minute and then operate
the propel motor at stall.
Record amount of leakage. Repeat procedure for
A--Propel Motor Drain Line
If leakage is more than specification, repair or replace
motor. If leakage is within specification, repair or
replace rotary manifold.
BOOM CYLINDER CONTROLLED LOAD
LOWERING VALVE TEST
Circuit Relief Pressure
SERVICE EQUIPMENT AND TOOLS
Gauge 70000 kPa (700 bar) (10000 psi)
Test is used to measure circuit relief pressure at the load
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