3.2 Operation check B
1. With the state of lock pin engaged, upshift to the
3rd gear, and then check that the lock pin does
not come out even when the rear steering lock
switch is set to release.
2. Upshift to the 4th gear, then perform the same
check described in step 1.
3. Downshift to the 1st gear, and set the rear
steering lock switch to release, then check that
the lock pin disengages (indicator lamp lights up).
4. With the state of lock pin disengaged, check that
the gear does not upshift to 3rd or higher gear.
3.3 Operation check C
1. With the state of lock pin disengaged, check that
the lock pin lamp flashes in high speed when the
vehicle speed is accelerated to 15 km/h or more.
4. Overshift prevention
(1 km/h = 0.6214 MPH)
[NOTICE]
Jack-up the crane and set the drive mode to
6-WD/High position, and then perform the
operations below and check the shift position on
the combination meter.
Perform the operation with each of the power mode
ON/OFF.
1. Move the shift lever to “D” and increase speed to
42 km/h or more. Check that transmission shifts
to 4th gear (display: D).
2. Gradually reduce speed. Maintain a speed of 39
km/h. Move the shift lever to “2.” Check that
transmission does not downshift (display: D).
3. Gradually reduce speed. Check that transmission
downshifts to 3rd gear when the speed is 35 km/h
(display: 3).
4. Gradually reduce speed. Check that transmission
downshifts to 2nd gear when the speed is 22
km/h (display: 2).
5. Maintain a speed of 16 km/h. Move the shift lever
to “1.” Check that transmission does not
downshift (display: 2).
6. Gradually decrease speed. Check that
transmission downshifts to 1st gear at 11 km/h
(display: 1).
It is also acceptable to measure the vehicle
speed on the vehicle information screen in the
maintenance mode of AML.
Meter speed Combination meter display
a
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