Operation and maintenance manual

DX140R/DX140LCRInspection, Maintenance and Adjustment
4-24
Inspect Cooling Fan Blade
1. An inspection of the cooling fan is required daily. Check for
cracks, loose bolts, bent or loose blades, and for contact
between the blade tips and the fan shroud. Check the fan
to make sure it is securely mounted. Tighten the bolts if
necessary. Replace any fan that is damage.
Check Air Intake System
1. Park the machine on a level surface, lower the attachment
to the ground, move safety lever to "LOCK" position, and
stop engine.
2. Check the engine intake hose, and hose bands for damage
and tightness.
3. If damaged, wrinkled, or loose, re
place or retighten or
contact your nearest DOOSAN dealer.
Inspect Seat Belt for Proper Operation
See "Seat Belt" on page 1-35 for further information.
Figure 34
WARNING
AVOID DEATH OR SERIOUS INJURY
Personal injury can result from a fan blade failure. Never
pull or pry on the
fan. This can damage the fan blade(s) and
cause fan failure.
HAOA050L
Figure 35
CAUTION
AVOID INJURY
Hot engine components can cause burns.
Avoid contact with hot engine components
FG014416
Figure 36
IMPORTANT
Severe engine damage will result from running with
unfiltered air.
Do not operate engine if any leaks or defects are found
on air inta
ke system.