Manitou MT732ST38 - Page 103

A7 – LONGITUDINAL STABILITY LIMITER AND WARNING DEVICE
CHECK

IMPORTANT

Use the test button only when requested to do so, applying short presses (less than 1 second) and long presses (5 seconds) as instructed.
If in doubt during the test procedure, exit cleanly by short pressing the "BUCKET"
or "SUSPENDED LOAD" MODE buttons.
These tests are essential for checking correct operation and adjustment of the various system components.
- Place the lift truck on flat, level ground with the wheels straight.
- Hold down the test button.
STEP
1
1
- A beep.
- First green LED flashing.
- Test button lit.
- Place the lift truck with no
attachment, with the boom fully
retracted and raised.
Short
press
the test
button.
TEST OK
- Beeps once and progresses to stage 2.
TEST NOT OK
- Beeps twice and warning indicator lamp
comes on.
- Exit test mode.
- Go to stage 4.
STEP
2
2
1
- First green LED continuously lit.
- Second green LED flashing.
- Test button lit.
- Lower with the engine running at
full revs and the hydraulic control at
the maximum setting. Slow the rate
of descent until movement is cut-off.
Short press
the test
button.
TEST OK
- Beeps once and progresses to stage 3.
TEST NOT OK
- Beeps twice fault indicator lamp
comes on.
- Exit test mode.
- Go to stage 4.
STEP
3
3
2
1
- First and second green LEDs
continuously lit.
- Third green LED flashing.
- Test button lit.
- Lower the boom until the movement
is cut off.
- Request, in the following order: a
reverse tilt, a forward tilt (dumping)
and a telescope extension. None
of these 3 movements should be
possible.
Short press
the test
button.
TEST OK
- Conformity of aggravating movement
cut-off.
- Exit test mode. All the LEDs will light for
2 seconds and a beep will be sounded.
TEST NOT OK
- Fault indicator lamp
comes on.
- Exit test mode.
- Go to stage 4.
STEP 4
- The fault warning light remains
permanently on until the error is
repaired.
- The warning indicator lamp and a beep indicate a fault.
- To view this error code (see: 2 - DESCRIPTION: 3B - SCREEN DISPLAY).
NOTE: A faulty fuse can generate several error codes. If this is the case, check the fuses (see: 2 - DESCRIPTION:
11 - FUSES AND RELAYS IN THE CAB).
- If error codes 520499, 520742, 520743 or 520754 are displayed, adjusting the longitudinal stability limiter and
warning device may solve the problem (see: 3 - MAINTENANCE: G - OCCASIONAL MAINTENANCE).
NOTE: For the stage 3 test, specify the non-conforming aggravating hydraulic movements, if necessary.
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647449 (30/11/2015) MT 732/932 ST3B