Maintenance Section
-142-
When Required
You must read and understand the warnings and instructions contained in the Safety section of this manual,
before performing any operation or maintenance procedures.
Engine Valve Lash (DB33A Diesel
Engine Only) - Check, Adjust
NOTICE
The valve clearances are to be adjusted at the
times of the following situations.
z
When the engine is overhauled and the
cylinder heads are disassembled.
z
When severe noise comes from valve train.
z
When the engine is not normally operated
even though there is no trouble in the fuel
system.
WARNING
To prevent possible injury when adjusting diesel
engines, do not use the starter motor to turn the
flywheel.
Hot engine components can cause burns. Allow
additional time for the engine to cool before
measuring valve clearance.
NOTICE
Measure the valve lash with the engine stopped. To
obtain an accurate measurement, allow at least 20
minutes to cool the engine cylinder head and block
temperature.
Set the clearance to the nominal appropriate
clearance given in the “Valve Clearance Setting”
shown below.
Valve Clearances
Engine Valve
Clearance
Exhaust Valves
.40 mm (.016 in)
3.3 liter
(DB33A) Diesel
Intake Valves
.40 mm (.016 in)
Refer to the “Service Manual” for the complete
valve adjustment procedure.
NOTE:
In regards to G424 and G430 Engines,
valve adjustment is not necessary because
of automatic adjusting system.
Fuel Tank Filter Cap and Screen
(If Equipped) - Clean
Park the lift truck with the forks lowered, parking
brake applied, transmission in neutral and the
engine stopped.
1.
Remove the filter cap assembly. Clean in clean,
nonflammable solvent.
2.
Dry cap assembly.
3.
Install filter cap assembly.
WARNING
Fuel leaked or spilled onto hot surfaces or
electrical components can cause a fire.
4.
Drain moisture and sediment from fuel tank as
required by prevailing conditions.
