Procedure for Lift Cylinder Internal Leakage Test
Disconnect and
plug this hose
1.
Shut off engine and engage parking brake.
ANY oil flow or droplets
from this fitting indicates
internal leak
CAUTION
Prevent personal injury and/or damage to equip-
ment. Read all WARNINGS, CAUTIONS and Pre-
cautions for Hydraulic Testing at the beginning
of this section.
Pressure is applied
to this port
2.
it (i.e. put hydraulic lift lever in LOWER position).
Remove all pressure from cylinder by fully retracting
Figure 22
3.
Disconnect hydraulic hose from base end of cylinder
and install a steel plug with O--ring seal in the hose (Fig.
Clean any remaining oil from cylinder port.
22).
4.
(i.e. put hydraulic lift lever in LOWER position).
Startengineandapplypressuretorodendofcylinder
5.
an internal leak. Repair or replace cylinder.
Ifanyoilcomesoutofopencylinderport,cylinderhas
6.
Reconnect hose that was disconnected in step 3 af-
ter testing is complete.
Workman HD Series
Page 9 -- 27
Hydraulic System
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