Overhead Set - Doosan DX140R Shop Manual

MAINTENANCE
AT 5000 HOURS OR 4 YEARS

Overhead Set

Preparatory Steps
Batteries can emit explosive gases. To reduce the
possibility of personal
compartment before servicing the batteries. To reduce the
possibility of arcing, remove the negative (-) battery cable
first and attach the negative (-) battery cable last.
Disconnect the batteries.
Remove
Wear appropriate eye and face protection when using
compressed air. Flying debris and dirt can cause personal
injury.
Prior to removing any components, clean around the mounting
fasteners and sealing joints with compressed air to remove any
loose debris.
Disconnect the breather tube connection at the back of the
rocker lever cover.
In general, two type of breather tube connections are used at the
rocker lever cover:
1. A clamping plate and capscrew hold the breather tube
connection to the rocker lever cover. Remove the
capscrew and clamping plate to disconnect the breather
tube connection from the rocker lever cover.
2. 1 or 2 Capscrew(s) directly mount the breather tube
connection to the rocker lever cover. Remove the
capscrew(s) to disconnect the breather tube connection
from the rocker lever cover.
Some breather tube connections use internal Torx
NOTE:
capscrews to secure the breather tube connection to
the rocker lever cover.
QSB4.5 Engine
Page 92
PROCEDURES
WARNING!
injury, always ventilate
WARNING!
the
Figure 119
Figure 120
Figure 121
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