OILS USED FOR FORKLIFT TRUCK
Name Brand or Code (Domestic)
Gasoline 87 number gasoline.
Engine Oil API rating of SM or newer
Hydraulic Oil Kinematic Viscosity 28.8-35.2 cSt @ 104F (40℃
mm2/s）
Kinematic Viscosity ≥5 cSt @ 212F (100℃ mm2/s)
Transmission Oil Kinematic Viscosity 5-7 cSt @ 212F (100℃ mm2/s）
Gear Oil API GL-5 85W-90
Brake Fluid DOT4 Synthetic Brake Fluid
Grease (steer axle) NLGI grade 2 lithium type complex grease (with
minimum of 3% molybedenum disulphide additive)
Grease (rest of truck) NLGI grade 2 lithium based grease
HYDRAULIC OIL GAUGE AND
HYDRAULIC OIL FILL
General inspection requirements
1. Check the oil level of the hydraulic oil tank. Take
the oil level trace as a reference. The mast,
attachments, and steering system must be taken
in consideration in order to fill the hydraulic
system to the correct level.
2. Forklift must be parked for five minutes before oil
level can be checked.
3. The engine must be OFF, the forklift truck must
be on flat ground, the mast must be vertical state,
forks must be on the ground, and attachments
should be retracted. This ensures the hydraulic oil
is back in the tank.
Fill Level Requirements
NOTE: For items below, refer to Figure 74.
•
L line indicates the lowest level of hydraulic oil
required to operate the mast up to 4 m (13.1 ft)
in height (including the full free lift mast and
mast with special attachment).
•
M line indicates the lowest level of hydraulic oil
required to operate the mast
ABOVE4 m (13.1 ft) in height (including the full
free lift mast and mast with special attachment).
•
H line indicates the maximum level of hydraulic
oil required. If the reading on the dipstick is
above this line, flush oil from the tank.
A. FILL LEVEL REQUIRED FOR MAST ABOVE
4 m (13.1 ft), WITH ATTACHMENTS.
B. FILL LEVEL REQUIRED FOR MAST BELOW
4 m (13.1 ft), WITH ATTACHMENTS.
Figure 74. Oil Fill Stick
8000 YRM 2199 Drive, Operation, and Routine Maintenance of Forklift Truck
83
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