Sinoboom TB18 Plus - Testing the Envelope Restriction

PRE-OPERATION FUNCTION TEST
TB18 Plus&20J Plus Operation Manual 6-15 © Apr 2022
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.
TESTING THE ENVELOPE
RESTRICTION
Max boom outreach
0kg≤platform capacity≤300kg（661 lb）-TB20J
Plus only
1. Turn the Ground/Platform select switch at
ground controls to the Ground.
2. Pull out the emergency stop button at the
ground controls to ON position.
3. Turn the key switch at ground controls to ON
position.
4. Using the main boom lift and jib up/down
function, adjust the main boom and jib boom to
horizontal.
5. Using the main boom telescope function, extend
the main boom.
6. TB20J Plus：when the boom extends to the
farthest(the ground display reads 16.1m of
boom length), the buzzers at the ground and
platform controls should be sounding, boom
further extending and boom up/down should be
restricted, but boom retracting and turntable
rotating should be allowed.
7. Using the main boom telescope switch, retract
the boom.
8. The boom can be fully retracted.
300kg（661 lb）≤platform capacity≤454kg（1000
lb）
1. Turn the Ground/Platform select switch at
ground controls to the Ground.
2. Pull out the emergency stop button at the
ground controls to ON position.
3. Turn the key switch at ground controls to ON
position.
4. Using the main boom lift and jib up/down
function, adjust the main boom and jib boom to
horizontal.
5. Using the main boom telescope function, extend
the main boom.
6. TB18 Plus：when the boom extends to the
farthest(the ground display reads 15.45m of
boom length), the buzzers at the ground and
platform controls should be sounding, boom
further extending and boom up/down should be
restricted, but boom retracting and turntable
rotating should be allowed.
7. TB20J Plus：when the boom extends to the
farthest(the ground display reads 14.6m of
boom length), the buzzers at the ground and
platform controls should be sounding, boom
further extending and boom up/down should be
restricted, but boom retracting and turntable
rotating should be allowed.
8. Using the main boom telescope switch, retract
the boom.
9. The boom can be fully retracted.
Max boom up/down angle