(4) Adjusting Engine valve
clearance
Ask your authorized dealer to check the valve
clearance.
Normal : 0.25mm (0.0098in)
If the gap is large, valves makes a loud tapping
noise and if the gap is too small, it is hard to
compress by which the engine output falls down
or burns a valve.
(5) Checking Nozzle injection pressure
Contact your authorized dealer.
Normal injection pressure
: 14.7 MPa (2133psi) ----- U5010 / U5020
0.25mm(0.01in)
Normal injection pressure
: 14.7 MPa (2133psi) ----- U5010 / U5020
17.7 MPa (2560psi) ----- U5030
(6) Replacing Cabin air filters
Before servicing the filters, switch off the blower
and close all cabin doors and windows.
Unscrew the bolts under the roof and remove
the cover and filter element as shown in the right
figure.
Clean both filter chambers with a damp, lint-free
cloth.
Replace the cabin air filters with a new one.
Re-install the filter cover and tighten the bolts.
Cabin
air filter
Bolt
Filter
cover
5
5
5
5
- 21
▶
The filters are made of specially treated media with a rubber sealing strip bonded
around the sides. Take care not to damage the element during installation.
Notice