Service Manual
4-19Z Master Z400 Service Manual
4
HYDRAULIC SYSTEM
2. Clean all dirt and debris away from the hydraulic line
ttings. Remove the hydraulic lines. Make sure you
mark which hydraulic line goes to which tting on
the wheel motor. If the hydraulic lines are reversed,
the motor will operate in the opposite direction (Fig.
204).
Fig 204 PICT-0021a
3. Loosen hydraulic lines at the pump to obtain enough
clearance to connect ow tester to the hydrostatic
high pressure lines (Fig. 205). Retighten ttings at
the pump.
Fig 205 PICT-0022a
Fig 206 PICT-0023a
4. Connect the hydraulic hose ttings to the hydraulic
ow tester and tighten the ttings (Fig. 206). If the
ow tester is not bidirectional, make sure to connect
hoses correctly.
Fig 203 PICT-0020a
1. Lift the back of the machine so the rear tires (left and
right) are off the ground. Place jack stands under
the rear frame to support the unit. Remove the rear
wheel from side of machine being ow tested; in this
case, the left rear wheel is removed (Fig. 203).
Note: Be careful not to place jack stands near
any moving parts or areas not capable of
supporting the weight of the machine.