MAINTENANCE
0607SE Maintenance Manual 5-7 © Jan 2022
Figure 5-2
3. The hydraulic oil level should remain between the
"Max mark" and "the third (from top to bottom)
mark" .
4. Add hydraulic oil as needed. Never overfill the tank.
Table 5-5
CUSTOMER
REQUIREMENTS
HYDRAULIC OIL
MARK
Normal-temperature region
0°C to 40°C (32°F to 104°F)
L-HM46
Cold region
-25°C to 25°C (-13°F to 77°
F)
L-HV32
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
Hydraulic oils of different grade can be added
according to customer requirements upon factory
delivery, but cannot be mixed.
A-5 Inspect Hydraulic Oil Leakage
Preventing hydraulic oil leakage is important for safe
and proper operation of the machine. Operating the
machine with a hydraulic oil leak can lead to a
hazardous situation, poor machine performance and
damage to hydraulic components if the leak is not
repaired.
Inspect for overflowing, dripping or residual marks on or
around the following components:
• Hydraulic oil tank, hoses & fittings and power unit
• All hydraulic cylinders and pumps
• All hydraulic valve blocks
• The area around the machine
A-6 Functional Tests
The functional test is essential to safe operation of the
machine. If any function works improperly, it may cause
an unsafe condition. Ensure all functions work smoothly
and reliably without shock or unusual noise.
UNSAFE OPERATION HAZARD
Be sure to follow the safety rules and
instructions contained in this manual
and the Operation Manual, otherwise
it may cause serious injury or even
death.
Before performing the function test：
1. Select a solid, level and flat surface as a testing
site.
2. Ensure the testing site is clear of obstructions.
3. Ensure the battery is properly connected.
4. For the specific procedures for function test(steer,
drive, brake, lift, etc.), please seePre-operation
Function Testsection in the Operation Manual.
Before peforming the function test, be sure to read
through and understand the safety rules in the
Operation Manual.
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