Fuel Filter (Spin-On Type) - Doosan DX140R Shop Manual

Do not remove the pressure cap from a hot engine. Wait
until the coolant temperature is below 50°C (122°F) before
removing the pressure cap. Heated coolant spray or steam
can cause personal injury.
Install the pressure cap. Operate the engine until it reaches a
temperature of 80°C (180°F) and check for coolant leaks.
Check the coolant level again to make certain the system is full
of coolant or that the coolant level has risen to the hot level in
the recovery/expansion tank in the system, if so equipped.

Fuel Filter (Spin-On Type)

Remove
Remove the spin-on fuel filter with fuel filter wrench, Part
Number 3398231.
Install
Do not pre-fill the on-engine fuel filter.
NOTE:
Do not pre-fill the on-engine fuel filter with fuel. The system
must be primed after the fuel filter is installed. Pre-filling the
fuel filter can result in debris entering the fuel system and
damaging fuel system components.
Lubricate the o-ring seal with clean lubricating oil.
QSB4.5 Engine
WARNING!
CAUTION!
Figure 75
Figure 76
Figure 77
SP001671
Page 77