MAINTENANCE PROCEDURES
TB24 Plus&26J Plus Maintenance Manual 5-7 © Jun 2022
CUSTOMER
REQUIREMENTS
HYDRAULIC OIL
MARK
-25°C to 25°C (-13°F to 77°
F)
High-temperature region
greater than 40°C (104°F)
L-HM68
Extremely cold region
less than -30°C (-22°F)
Special programmes
need to be identified.
NOTICE
Different hydraulic oils can be added according to
customer requirements upon factory delivery, but
cannot be mixed.
A-5 Inspect Hydraulic Leakage
Preventing the hyrdraulic oil from leaking is vital to safe
and normal machine operation. If the hydraulic leaks
fail to be discovered, it will lead to hazardous situations,
reduce the machine performance and damage
components.
Inspect the area on or around the following components
for hydraulic spill, dripping or residues:
• Hydraulic tank, filters, hoses, fittings, and
emergency power unit
• All hydraulic cylinders,manifolds and pumps
• Engine
• Boom system
• Slewing bearing
• Drive chassis
• Areas around the machine
A-6 Inspect Fuel Level
NOTICE
Be sure to shut down the engine before inspection.
Keeping the diesel fuel at an appropriate level is vital to
maintaining the engine performance and extending
service life. An inappropriate fuel level will bring
damage to the engine parts and lead to improper
functioning of the machine.
Perform the following procedures with the boom in
stowed position:
1. Turn the Ground/Platform control select switch at
the ground controls to the ground control position,
and pull out the emergency stop button at the
ground controls to the ON position, and then turn on
the key switch at the ground controls, the ground
control display will show the diesel fuel percentage
Figure 5-2
2. OR turn the Ground/Platform control select switch
at the ground controls to the platform control
position, and pull out the emergency stop buttons at
both the ground and platform controls to the ON
position, and then turn on the key switch at the
ground controls, the platform control display will
show the diesel fuel level.
Figure 5-3
3. When the fuel level is less than or equal to 10%, the
alarm will sound, be sure to add fuel to continue
working.
4. Ensure the fuel tank and its connections are free of
leaks.
5. Add fuel with the engine off only.
6. Open the cap of feul tank, add fuel as need. Never
overfill the tank, it is recommended to add 50%–
100% of the tank capacity.
Table 5-5
DIESEL
GRADE
RECOMMENDED AMBIENT TEMP
5#
Lowest temperature 8℃ or higher
0#
Lowest temperature 4℃ or higher
-10#
Lowest temperature -5℃ or higher
-20#
Lowest temperature -14℃ or higher
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