© Jun 2022 5-6 TB24 Plus&26J Plus Maintenance Manual
MAINTENANCE PROCEDURES
• Return the manual to the storage container after
each use.
Note: If the manuals need to be replaced, please
contact Hunan Sinoboom Intelligent Equipment Co.,
Ltd..
A-2 Inspect All Decals
Ensuring all decals in good condition is vital to safe
machine operation. Decals serve not only to alert the
operator to potential hazards but also to provide the
user with information regarding operation and
maintenance. An illegible decal will fail to provide
correct instructions for the operator, which may lead to
the occurrence of unsafe operation.
• Refer to the Decals/Nameplate Inspection in
Operation Manual and use the list and chart of
decals to determine the correct location of a decal.
• Verify all decals are legible and free of damage, and
replace in time if necessary.
Note: If the decals on the machine need to be replaced,
please contact Hunan Sinoboom Intelligent Equipment
Co., Ltd..
A-3 Inspect Damaged, Loose or Lost
Parts
Before each use or work shift,check the machine for
any damaged, improperly installed, loose or lost parts
and unauthorized changes:
• Electrical components, wiring,cables and safety
rope
• Hydraulic hoses & fittings, hydraulic cylinder and
manifolds
• Fuel tank and hydraulic tank
• Storage battery pack and its connection
• Drive motor & reducer, slewing motor & reducer
• Boom wear pads and telescopic axle wear pads
• Limit switch and horn
• Tires and rims
• Engine and associated parts
• Alarms and lighting (if equipped)
• Platform（including rails, floor plate, safety lock,
brackets and entry door）
• Personal protection equipment
• Emergency control equipment
• Operation instructions, warning and control decals
• Structure and welding cracks
• Nuts, bolts and other fasteners
NOTICE
If damaged parts, incorrect installation or missing
parts are discovered, please replace immediately
and install correctly; if the fasteners are found
detached or loose, please secure immediately.
A-4 Inspect Hydraulic Oil Level
Ensuring appropriate hydraulic oil level is vital to proper
operation of the machine. If too high, the oil will spill out
from the oil tank during machine operation, if too low,
the oil pump will suction air and damage hydraulic
components. Performing daily inspection of the
hydraulic oil level will help you determine if a problem
exists in the hydraulic system.
Perform the following procedures with the boom in
stowed position:
1. Open the left turntable cover to make visual
inspection of the sides of hydraulic tank, the
hydraulic oil level should be within the marking
range of oil level indicator.
Figure 5-1
2. Ensure the hydraulic tank body and its connections
are free of leaks.
3. Add oil as needed. Never overfill the tank.
Table 5-4
CUSTOMER
REQUIREMENTS
HYDRAULIC OIL
MARK
Normal-temperature region
0°C to 40°C (32°F to 104°F)
L-HM46
Cold region
L-HV32
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