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PAGE 54 — MQ SP4030 SAW • OPERATION MANUAL — REV. #0 (01/22/09)
MAINTENANCE
DRAINING THE HYDRAULIC SYSTEM
1. Place an oil drain pan beneath the blade shaft housing
(Figure 64, item 1).
2. Remove the drain plug (item 3) from the bottom of the
blade shaft housing.
3. Collect and dispose the used oil (and filter) in
accordance with ordinances and regulations of your
area.
4. Remove used oil filter.
5. After oil is drained, reinstall drain plug.
6. Pre-fill and install a new oil filter.
7. Add oil to the system reservoir.
8. The reservoir will need to be filled several times.
9. Run the engine for 1-2 minutes to cycle the oil
throughout the system.
CAUTION — Pre-fill filter
To prevent hydraulic pump damage, pre-fill the filter with
oil prior to installing it.
8
7
4
6
2
3
5
5
1
1. Hydraulic Reservoir
2. Filter
3. Pump
4. Lift Cylinder
5. Wheel Motor
6. Lift Cylinder Assembly
7. Motor
8. Pump Body
Figure 63. Hydraulic System
1
2
3
Figure 64. Hydraulic System Drains