MAINTENANCE PROCEDURES
TB24 Plus&26J Plus Maintenance Manual 5-29 © Jun 2022
NOTICE
• The emergency power switch serves only for a
short time of use (with the platform fully lowered
from the maximum degree and length possible)
when the engine/motor fails.
• When the emergency power is in use, do not
perform two or more functions simultaneously,
otherwise the auxiliary motor and pump will get
overloaded.
Operating from the ground:
1. Turn the Ground/Platform select switch on the
ground controller to the ground control position.
2. Pull out the emergency stop button on the ground
controller to the ON position.
3. Turn the key switch on the ground controller to the
ON position.
4. Move and the hold the emergency power switch on
the ground controller.
5. Move the corresponding boom function switch on
the ground controller to lower the platform.
Operating from the platform：
1. Turn the Ground/Platform select switch on the
ground controller to the platform control position.
2. Pull out the emergency stop buttons on both the
ground and platform controllers to the ON position.
3. Turn the key switch on the ground controller to the
ON position.
4. Depress the footswitch, move and the hold the
emergency power switch on the platform controller.
5. Move the corresponding boom function switch on
the platform controller to lower the platform.
B-23 Inspect Tilt Protection
1. Start the machine.
2. With the machine in non-operating position, flip the
level switch to exceed 5°in X (left-to-right)/Y (front-
to-back) direction.
3. The tilt alarm sounds and the chassis tilt indicator
light flashes, no function is restricted.
4. With the machine in operating position, flip the level
switch to exceed 5°in X (left-to-right)/Y (front-to-
back) direction.
5. The tilt alarm should sound with the chassis tilt
indicator light flashing, some functions are
restricted, but the boom retracting, turntable
rotating and boom lowering when retracted to less
than 1.2m (3ft 11in) should be allowed.
6. Place two wooden blocks under the two wheels on
the left or right side of the machine. The wooden
block measures 750×250×190mm
(2.46×0.82×0.6ft). With the machine in non-
operating position, drive it onto the two wooden
blocks.
7. The tilt alarm should sound with the chassis tilt
indicator light flashing, no function should be
restricted.
8. Drive the machine off and remove the wooden
blocks.
9. Place two wooden blocks under the two wheels on
the front or rear of the machine. The wooden block
measures 750×250×265mm (2.46×0.82×0.87ft) .
With the machine in operating position, drive it onto
the two wooden blocks.
10. The tilt alarm should sound with the chassis tilt
indicator light flashing, some functions are
restricted, but the boom retracting, turntable
rotating and boom lowering when retracted to less
than 1.2m (3ft 11in) should be allowed.
11. Retract and lower the boom, drive off the machine
in non-operating position and remove the wooden
blocks.
CHECKLIST C
PROCEDURES
C-1 Replace Fuel Filter Element
Regularly replacing fuel filter element is vital to good
engine performance and extending service life. An
unclean or blocked filter may fail the engine and
continued use may result in component damage. The
filter element should be replaced more often if
operating the machine in hostile environment.
EXPLSION AND FIRE HAZARD
• Diesel is an inflammable material.
This procedure must be performed
outdoors in well-vented area and far
away from flames.
• Ensure that a conforming fire
extinguisher is readily accessible
when performing this inspection
procedure.
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