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Workman HD SeriesPage 9 − 20Hydraulic System
Primary Hydraulic System Gear Pump Flow Test
(Workman HDX and HDX−D)
TESTER
STEERING
CONTROL
VALVE
LIFT CYLINDERS
1800 to 1900 PSI
Figure 16
NOTE: This test procedure is for the primary hydraulic
system gear pump used on Workman HDX and HDX−D
vehicles. If vehicle is equipped with the High Flow Hy-
draulics Kit, use this test for the primary hydraulic system
pump section and refer to the High Flow Hydraulic Sys-
tem Gear Pump Flow and Relief Pressure Test for test-
ing of the high flow hydraulic system pump section.
1. Gear pump
2. Pressure hose
3. Suction hose
Figure 17
1
2
3
WORKMAN HDX and HDX−D
PRIMARY HYDRAULIC SYSTEM
FRONT
GEAR PUMP