Maintenance Section
-162-
First 250 Service Hours or a Month
You must read and understand the warnings and instructions contained in the Safety section of this manual,
before performing any operation or maintenance procedures.
Hydraulic Return Filter – Change
WARNING
Hot oil and components can cause personal
injury. Do not allow hot oil or components to
contact skin.
Park the lift truck level with the forks lowered,
parking brake engaged, transmission in NEUTRAL
and the engine stopped.
1.
Loosen the bolts of the hydraulic tank top plate
assembly.
2.
Remove the return filter from tank top plate
assembly.
3.
Change the return filter.
4.
Install the tank top plate assembly and fasten
the bolts.
5.
Start the engine and operate the hydraulic
controls, and the steering system, through a
few cycles to fill the lines. Look for oil leaks.
6.
Stop the engine and check the oil level. With all
cylinders retracted, maintain the oil level to the
FULL mark on the dip stick/filter cap assembly.
Engine Valve Lash (B3.3 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
.50 mm (.020 in)
3.3 liter
(B3.3) Diesel
Intake Valves
.35 mm (.014 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.
