© Apr 2022 5-30 TB18 Plus&20J Plus Maintenance Manual
MAINTENANCE PROCEDURES
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 until
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 750×250×188mm
（2.46×0.82×0.62ft）. 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 750×250×218mm（2.46×0.82×0.72ft）.
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 until
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.
EXPLOSION 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.
NOTICE
Shut off the engine before inspection.
1. Open the right side cover of turntable and locate the
fuel filter.
Figure 5-33 Deutz D2.9L4 fuel filter
Figure 5-34 Deutz TD2011L04i fuel filter
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