40
40
Set
Set pressure
pressure
0.5
0.5
~
~
0.68 MPa
0.68 MPa
Charging pump
Charging pump
Type
Type
Inner-m
Inner-mesh
esh gear
gear pump
pump
Flow
Flow rate
rate
27
27 L/min(2000rpm,1.5MP
L/min(2000rpm,1.5MPa)
a)
Hydraulic
Hydraulic
transmission
transmission
Type
Type
Power
Power shifted
shifted
Speed ration
Speed ration
1.35/1.35
1.35/1.35
Hydraulic
Hydraulic
clutch
clutch
Friction piece:
Friction piece:
φ
φ
125×
125×
φ
φ
80
80
×2.7
×2.7
(mm)
(mm)
Friction
Friction area
area
71cm
71cm
2
2
Set
Set pressure
pressure
1.1
1.1
~
~
1.4 MPa
1.4 MPa
Weight
165kg
Weight
165kg
Oil
Oil amount
amount
7
7 L
L
Oil
Oil type
type
6#
6# or
or 8#
8# T
Torque
orque converte
converter
r oil
oil
2.1 General
2.1 General description
description
Hydraulic transmission type forklift trucks are provided with a drive unit including a
Hydraulic transmission type forklift trucks are provided with a drive unit including a
torque converter and an electron gear-shifting transmission case (See Fig2.1). They
torque converter and an electron gear-shifting transmission case (See Fig2.1). They
feature the following:
feature the following:
(1) With an inching valve, the inching operation can be done under the condition that
(1) With an inching valve, the inching operation can be done under the condition that
the engine runs at both
the engine runs at both high and low speed.
high and low speed.
(2) Each of two hydraulic clutches is provided with three pairs of steel plates and high
(2) Each of two hydraulic clutches is provided with three pairs of steel plates and high
quality friction pieces specially-treated, so as to improve the
quality friction pieces specially-treated, so as to improve the durability of friction surface.
durability of friction surface.
(3) One-way clutches in the torque converter are used to increase the efficiency for
(3) One-way clutches in the torque converter are used to increase the efficiency for
power transmission.
power transmission.
(4) High quality oil fi
(4) High quality oil filters is helpful to i
lters is helpful to increase the life of the torque
ncrease the life of the torque converter
converter..
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