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Assembly process No.
M-1
2. Testing painting
(1) Check that the paint of the removed and
installed bolt heads is not flaked off.
(2) Check that the painted surfaces are not
shifted at the sealed part between the floor
trame and tank and the joints of the covers
and chassis.
a If the appearance is bad, apply the paint
again.
3. Pressurzing test
(1) Measure the internal pressure of the cab.
a Cirterion: Measured value X 8 mmAq
a Testing condition: Run engine at full
throttle.
a Fan motor speed: Fan 100 % speed
mode
a Blower speed: High
a Fresh/Recirculation mode: Fresh air IN
mode
(2) A simple method of measuring the internal
pressure is as follows.
a) Prepare a transparent vinyl hose.
(Outside diameter: 10 mm, Length: 3,000
mm
b) Pour water in the hose up to about half.
c) Remove the lock lever of the slide glass
on the side of the cab and put either end
of the vinyl hose in the cab and secure it
to the top of the back seat with a tape.
d) Seal the hole of the lock lever with a
tape.
e) Set the water level in the vinyl hose out of
the cab to that in the cab.
f)
Run the engine at full throttle with fan
100 % speed and measure the water
level difference.
For the fan 100 % speed operation, see
the Shop Manual.
Precautions
Testing and adjusting operator's cab (2/10)
Necessary tools
Other remarks
75
Inside of cab
(Pressurized)
Fig. 2
Name
Q'ty
Lock lever
mounting hole
Outside air
(Atmospheric
pressure)
Necessary equipment
Name
Q'ty
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