MAINTENANCE PROCEDURES
AB18EJ&18HJ Maintenance Manual 5-9 © Oct 2020
A-7 Inspect Fuel Leakage (AB18HJ
only)
Inspecting fuel leakage is vital to safe and normal
machine operation. If a fuel leak is not discovered and
corrected in a timely manner, it will pose hazardous
situations.
NOTICE
Shut off the engine before inspection.
EXPLOSION AND FIRE HAZARD
• Diesel is an inflammable material.
This procedure must be
performed outdoors in well-
vented area and far away from
flames.
• Ensure that a conforming fire
extinguisher is readily accessible
when performing this inspection
procedure.
Inspect for diesel spills, drippings or residues in the
following areas：
• Fuel tank, piping and fittings
• Fuel pump and fuel filter
• Fuel injection system
EXPLOSION AND FIRE HAZARD
If fuel leakage is discovered,
immediately forbid any other
personnel from entering the area or
operating the machine, and repair the
leakage as soon as possible.
A-8 Inspect Engine Oil Level (AB18HJ
only)
NOTICE
Turn off the engine before inspection.
The appropriate engine oil level is vital to maintaining
the engine performance and extending its service life,
otherwise it will damage the engine parts. Through the
daily check the inspector can know about the changes
on engine oil level which may indicate a system
distress with the engine.
1. Turn the ground/platform select switch to ground
control.
2. Pull out the emergency stop button at ground
controller to ON position.
3. Turn the Diesel/Electric drive mode select switch at
the ground controller to Diesel position.
4. Move the engine start switch and idle for 2 minutes.
5. Switch off the engine, and 5 minutes later open the
turntable cover on the right side.
6. Remove the engine dipstick to inpsect the engine
oil level.
7. The engine oil level should be between the FULL
and ADD marks.
8. Add engine oil as needed. Do not overfill. It is
recommended to use engine oil equivalent to or
higher than CH-4 with viscosity grade of 15W-40.
Table 5-6
VISCOSITY RECOMMENDED AMBIENT TEMP
0W-30 -35℃～0℃
5W-40 -25℃～30℃
15W-40 -15℃～40℃
20W-50 0℃～50℃
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