© Apr 2022 2-8 TB18 Plus&20J Plus Maintenance Manual
SPECIFICATIONS
Compression
Ratio
18：1
Firing Order
1-3-4-2
Output 36.8kW@2500rpm
Max.torque
200Nm(147.5 ft-lb)@1400–
1700rpm
Low RPM
750rpm
High RPM 2750rpm
FUNCTION SPEED
Table 2-7
ITEM
TB18 Plus TB20J Plus
Boom up
65～75s 65～75s
Boom down 65～75s 65～75s
Turntable rotate
（360°）-stowed
78～86s 78～86s
Turntable rotate
（360°）-fully
extended
139～179s 139～179s
Boom extend 58～66s 58～66s
Boom retract 53～62s 53～62s
Platform rotate
（160°）
18～22s 18～22s
Platform level up
50～60s 50～60s
Platform level down 40～50s 40～50s
Jib up
\ 32～38s
Jib down \ 22～28s
Max drive speed
（30m） -stowed
20～25s 20～25s
ITEM TB18 Plus TB20J Plus
Max drive speed
（30m） -working
88～108s 88～108s
a) The function speed depends on the start and end
point of the movement rather than the controls/
switches.
b) The test results of drive speed vary with tires of
different specifications.
c) All the speed tests should be conducted from the
platform controller, The test results will differ if tested
from the ground controller.
d) All the tests should be conducted with the
hydraulic oil temperature higher than 38℃. If the
hydraulic oil temerature is too low, the test results will
be affected.
Test requirements:
Boom up/down：With the boom fully retracted, raise
and lower the boom through two full cycles.
Turntable rotate：With the boom centered, rotate the
turntable through two full cycles.
Boom extend/retract：With the boom fully raised,
extend and retract the boom through two full cycles.
Platform rotate：With the platform horizontal, rotate
left and right the platform through two full cycles.
Jib up/down：With the platform horizontal, raise and
lower the jib boom through two full cycles.
Drive-stowed：With the machine on level surface,
switch to engine high idle and drive high speed, fully
stroke the drive control handle to drive forward and
reverse for 30m respectively. Test twice.
Drive-working：With the machine on level surface,
switch to engine high idle, fully stroke the drive control
handle to drive forward and reverse for 30m
respectively. Test twice.
MAJOR COMPONENT
WEIGHTS
UNSAFE OPERATION HAZARD
• Do not move heavy
components without
mechanical assistance.
• Do not place heavy component
upon instable surface.
To Next Page
Loading...
