HELI CPC 25 User Manual

4.Hydraulic-powered Transmission & Torque Converter
4.1 General Description
Hydrodynamic transmission type forklift trucks are provided with a drive unit
including a torque converter and a hydraulic transmission (See Fig.4-1). They feature
the following:
(1) With an inching valve, the inching operation can be done under the
conditions that the engine runs at both high and low speeds.
(2) Each of two hydraulic clutches is provided with four pairs of steel plates and
paper friction pieces specially-treated, so as to improve the durability of friction pair.
(3) Both on-way overrun clutches in the torque converter are used to increase the
efficiency for power transmission.
(4) High quality of oil filters is helpful to increasing the life of the torque
converter.
Torque converter
Type
Torque ratio
Set pressure
Charging pump
Type
Flow rate
Transmission
Type
Speed ratio FWD/BWD
Hydraulic clutch
Friction piece O.D.×I.D.×T.
Friction area
Set pressure
Weight of drive unit
Oil amount
Oil type
Three elements, single stage, two phases
3
0.5-0.68MPa
Inner-mesh gear type
27l/min (2000rpm, 1.5MPa)
Power shifted
1.35/1.35
125×81×2.7mm
2
71cm
1.1-1.4MPa
165kg
9L
Model SAE 10W engine oil
No.6 Torque converter oil made in China
-31-

HELI CPC 25 Specifications

General

Brand	HELI
Model	CPC 25
Category	Forklifts
Language	English