Doosan D55C-9 - Drive Axle Oil, Transmission Oil, Oil Filter & Strainer - Clean, Change; Every 2000 Service Hours or Yearly; Steer Wheel Bearings - Reassemble

Maintenance Section
-167-
Every 2000 Service Hours or Yearly
You must read and understand the warnings and instructions contained in the Safety section of this manual, before
performing any operation or maintenance procedures.
Drive Axle Oil, Transmission Oil, Oil
Filter & Strainer - Clean, Change
See the topic, "Drive axle Oil, Transmission Oil, Oil Filter
& Strainer - Clean, Change" in First 50-100 Service hours
or a week.
Steer Wheel Bearings - Reassemble
Park the lift truck on level ground, with the forks lowered,
the parking brake engaged, the transmission in
NEUTRAL, and the engine stopped.
Typical Example
1. Lift the steer wheels off the ground. Place stands or
blocking under the frame and steer axle to support
the lift truck.
2. Remove the hub cap.
Typical Example
3. Remove the cutter pin.
4. Remove the castle nut and washer.
5. Remove the wheel assembly. Examine the seal for
damage and wear. Replace the seal if necessary.
WARNING
Deflate tire before removing wheel nuts at tire
change.
6. Remove the inner bearing. Clean and lubricate the
steering knuckle. Reassemble both the inner and
outer bearing cones.
7. Install the inner bearing. Lubricate the seal and install
the wheel assembly on the knuckle.
8. Install the outer wheel bearing and the outer washer.
Install a new lock washer and fit the locknut.
Typical Example
9. Tighten the locknut to 135 N·m (100 lb·ft), while
turning wheel hub to seat the bearing.
10. Loosen the locknut. Retorque it to 50 ± 5 N·m (37 ±
4 lb·ft). Bend the lockwasher tang to secure locknut.