Service Manual

HYDRAULIC SYSTEM
4-50 Z580/Z589 DFI Z Master Service Manual
4
Pushing the Machine by Hand
4. Lower the seat.
5. Disengage parking brake before pushing.
Fig 391 PICT-3524a
1. Disengage the power take off (PTO) and turn the
ignition key to off. Move the levers to neutral locked
position and apply parking brake. Remove the key.
2. Raise the seat.
3. Rotate the by-pass valves counterclockwise 1 turn.
This allows hydraulic uid to by-pass the pump
enabling the wheels to turn (Fig. 391).
Important: Do not rotate by-pass valves more than
1 turn. This prevents valves from coming out of
the body and allowing uid to run out.
1. Engage the parking brake.
2. Raise the seat.
3. Rotate the by-pass valves clockwise 1 turn to
operate machine (Fig. 392).
Note: Do not over-tighten the by-pass valves.
Fig 392 PICT-3524a
4. Lower the seat.
Switching from Hand Pushing the
Machine to Machine Operation