© Jun 2022 5-18 TB24 Plus&26J Plus Maintenance Manual
MAINTENANCE PROCEDURES
8. Start the engine from the ground controller.
9. Verify the filter and hydraulic components are free
of leaks.
B-2 Inspect Rim, Tire and Fasteners
Good maintenance of rims and tires is vital to safe
machine operation. The machine might tip over if the
rim or the tire has problems. Repair any problems with
the rims and tires before operating the machine.
The machine is equipped with solid tires that do not
need to be inflated.
1. Inspect the tires on a daily basis for damage or
excessive wear. If any of the following condition
occurs, immediately remove the machine from
service and replace tires or tire assembly (including
rims). For the requirements and procedure for the
replacement, please reference Tires and Rims,
page 6-6.
• Ply separation of tires, i.e., circumferential rips
or lamination occurring to in between the
rubbers.
• Detachment from rims: the rubber comes off
from the steel rims.
• Rubber surface locally peeling off in lumps.
• Rubber cracks in radial direction.
• Rubber worn to the wear mark.
2. Inspect the lug nuts are torqued to specificion
(700Nm[517ft-lb]).
NOTICE
Tighten the lug nuts prior to the first use or after each
tire removal, inspect and retorque every 3 months or
150 hours of operation.
B-3 Inspect Hydraulic Oil
Inspecting and replacing the hydraulic oil is vital to
proper machine operation and extending service life.
The machine may be unable to operate properly if the
hydraulic oil becomes dirty, and the hydraulic parts may
be damaged if using contaminated oil. Replace the
hydraulic oil often, especially when the service
environment is very dirty.
Note:Due to wear and tear on the mesh components,
metal particles may appear in the hydraulic fluid or filter
of the new machine.
BURN HAZARD
Before maintaining the hydraulic sys-
tem, allow the hydraulic fluid to cool
to room temperature.
Replace the hydraulic oil if any of the following
conditions exist：
• The hydraulic oil is milky white and cloudy.
• The hydraulic oil is blackened.
• Obtain a sample of the hydraulic oil and inspect it in
sunlight. Rub the oil between two fingers to
determine if it contains metal particles.
• The hydraulic oil has an abnormal smell.
See D-3 Replace Hydraulic Oil, page 5-35 for the
replacement steps.
B-4 Inspect Cooling System
Inspecting cooling system on a regular basis is vital to
proper operation of engine and extending service life.
BURN HAZARD
Be cautious of the heated parts of
engine. Bodily contact with them may
result in severe burn.
NOTICE
Shut off the engine before inspection.
• Inspect the cooling system for leakage or loose
connections.
• Inspect all hoses of radiator for crack, abrasion, free
of getting flattened, and clamps secured.
• Ensure the cooling fins of radiator are not blocked
by debris.
B-5 Replace Fuel Strainer (fuel-water
separator) Element
Replacing fuel strainer (fuel-water separator) element
on a regular basis is vital to proper operation of engine
and extending service life. An unclean or blocked
strainer may cause the machine to work improperly,
and continued operation may result in component
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