Doosan D20G, Service Manual

Page: 922 / 1209

Vehicle System Testing and Adjusting 64
Drift Test For The Tilt System
1.
Put a rated capacity load on the forks on the lift
truck. Operate the lift truck through a complete lift
and tilt cycle until the oil is at normal temperature
for operation, 45 to 55°C (113 to 131°F).
2. Put the mast in a vertical position. Raise a rated
capacity load to a height of 2.5 meters (8.2 ft). In
the case of trucks with less than 2.5 meters (8.2
ft) height extension, raise the load to the truck’s
maximum height.
Tilt Drift Check.
3. The tilt drift is measured as the charge in the tilt
cylinder stroke. Measure any drift of the mast for
ten minute period. Drift for shall not exceed 35.5
mm (1.40 in).
Steering System
Steer Wheel Bearing Adjustment
Bearing Adjustment
(1) Nut. (2) Lock.
1. Tighten nut (1) slowly to 135 N·m (100 lb·ft)
while the wheels is rotated in both directions to
put the bearings into position. Use tool numbered
T059.
2. Loosen nut (1) completely. Tighten nut (1) again
to ..................................50 ± 5 N·m (37 ± 4 lb·ft) .
3. Insert the pin into the nut and bend the pin over
nut (1) to hold the nut inposition.