Doosan D20S-7 - Engine Valve Lash (Diesel Engine Only) - Check, Adjust; Every 2000 Service Hours or Yearly; Steer Wheel Bearings - Reassemble

Maintenance Section
-228-
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 procedure.
Engine Valve Lash (Diesel Engine
Only) – Check, Adjust
See topic “Engine valve Lash (Diesel Engine Only)
– Check, Adjust”. In Every 1000 Service Hours or 6
Months.
Steer Wheel Bearings -
Reassemble
Park the lift truck level with the forks lowered,
parking brake engaged, transmission in NEUTRAL
and the engine stopped.
NOTE:
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 which is pressed into the
wheel hub.
3. Straighten the lock washer tangs.
4. Remove the locknut, lock washer and flat
washer.
5. Remove the outer wheel bearing.
Remove the wheel assembly. Examine the seal
for damage and wear. Replace the seal if
necessary.
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.
Install the outer wheel bearing and the out
washer. Install a new lock washer and fit the
locknut.
Typical Example
8. Tighten the locknut to 135 N•m (100 lb•ft), while
turning wheel hub to seat the bearing.
9. Loosen the locknut. Retorque it to 50 ± 5N•m
(37 ± 4 lb•ft). Bend the lock washer tang to
secure locknut.
10. Install the hub cap.
11. Raise the lift truck and remove the blocking.
12. Lower the lift truck to the ground.