Doosan DX190W, Operation And Maintenance Manual

Page: 255 / 315

OP000530
4-59
Inspection, Maintenance and Adjustment
6. Clean the fill plug. Inspect the fill plug O-ring for
deterioration or damage and replace if necessary. Reinstall
the fill plug.
Drain and Refill Rear Axle Case Oil
NOTE: The rear axle case oil should be drained and refilled
after the first 500 hours of operation and at every
2,000 hours there after.
NOTE: The oil level must be checked on level ground. When
replacing fluid, only use approved grade axle fluid.
1. The oil drain (1, Figure 111) hole is located in the lower
section of the axle case and the fill (2) hole is located in the
rear section of the rear axle case.
2. Clean off any dirt, grease and other foreign materials from
area surrounding the drain (1, Figure 111) and fill (2) holes
of the axle case.
3. Place a drain pan under the drain plug and remove the
drain plug.
4. Clean the drain plug. Inspect the O-ring for deterioration or
damage and replace if necessary. Reinstall drain plug.
5. Remove the fill plug (2, Figure 111) and fill to the bottom of
the fill hole with approved gear oil.
NOTE: See “Fluid Capacities” on page 4-8, for
capacity.
6. Clean the fill plug. Inspect the fill plug O-ring for
deterioration or damage and replace if necessary. Reinstall
the fill plug.
Drain and Refill Hub Reduction Gear Oil
NOTE: The hub reduction gear oil should be drained and
refilled after the first 500 hours of operation and at
every 2,000 hours there after.
NOTE: The oil level must be checked on level ground. When
replacing fluid, only use approved grade axle fluid.
1. Move the excavator slowly and position the drain / fill hole
to the lowest position.
2. Clean off any dirt, grease and other foreign materials from
area surrounding the drain / fill (1) hole of the reduction
gear.
3. Place a drain pan under the drain plug and remove the
plug.
4. Move the excavator slowly and position the oil level mark
(2) on the gear housing parallel to the ground.
5. Fill to the bottom of the fill hole with approved gear oil.
FG007289
2
1
Figure 111
2
1
FG003412
Figure 112