Doosan D55C-9 - Carriage Roller Extrusion - Check, Adjust

Maintenance Section
-142-
When tires are changed, be sure to clean all rim parts and,
if necessary, repaint to stop detrimental effects of
corrosion. Sand blasting is recommended for removal of
rust.
WARNING
Deflate tire before removing wheel nuts from the
truck.
Check all components carefully and replace any cracked,
badly worn, damaged and severely rusted or corroded
parts with new parts of the same size and type. If there is
any doubt, replace with new parts.
Do not, under any circumstances, attempt to rework,
weld, heat or braze any rim components.
Carriage Roller Extrusion - Check,
Adjust
1. Set the mast vertical.
2. Lower the carriage completely.
3. On full free lift and full free triple lift models, the
bottom of the inner mast must be flush with the
bottom of the stationary mast.
4. Measure the distance from the bottom of the inner
upright to the bottom of carriage bearing.
5. The measurement (A) must be as follows in Chart
below.
Height of carriage roller extrusion (A) [unit : mm]
STD mast FF mast FFT mast
-7 43 43