Linde T20 SP Manual

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Service Training Section 1
Page 1
1 TRACTIONMOTOR
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Service Training
Section 1
Päge 2
1.1 DESCRIPTION
Asynchronoustractionmotor(AC)mountedverticallyon
the reduction gear, which is fixed on the motor unit
support.
Electrohydraulic brake mounted directly on the motor
shaft.
Motor without maintenance controlled by:
- 1 speed sensor (1B2)
- 1 temperature probe (1B6).
1.2 TECHNICAL DATA
Asynchronousmotor(AC) 24volts
Powerconsumption 3 KW
Maximumspeed 4,865rpm
Torque at max. speed 5.2Nm
Max.torque 35 Nm (590 rpm)
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Service Training Section 1
Page 3
1 2 3 4 5 6 7 8
15
14
13 12 11 10
9
19 20
Oillevelinreductiongear
1 Flange
2 Circlips - 30 x 1.5 FST - DIN 471
3 Key - 8 x7 x 20 DIN 6825
4 Circlips -25 x 1.2 FST - DIN 471
5 Ball bearing - 6006 2 RS1/ C3GJN
DIN625
6 Circlips 55 x 2 FST - DIN 472
7 Crownwheel(formeasuringthespeed)
8 Screw D M 6x25-St-A2E - DIN 7500
9 Rotor
10 BallbearingICOS-D1B04TN9
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Service Training
Section 1
Päge 4
1.3 REMOVAL OF TRACTION MOTOR
1 Tractionmotor
2 Temperatureprobeconnector(1X25)1B6
3 Speedsensorconnector(1X2)1B2
4 ScrewCHCM6X20(quantity8)
Tighteningtorque9.5Nm
5 O-ring
6 Electrohydraulicbrake
7 Brakemounting bolt(quantity3)
Tighteningtorque9.5Nm
8 Reductiongear
U, V, W Powercableterminals
formotorsupply
Tighteningtorque9Nm
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Service Training Section 1
Page 5
Note:
To remove the traction motor, it is recommended to first
remove the motor unit (see section 2.1.1 Removal/ins-
tallation ofmotor unit)
On clearing the chassis, the motor unit can be
manipulatedmoreeasily:
- Unscrew the 8 motor / reduction gear mountingbolts
(4).
- Sling the motor (1).
- Extractthetractionmotor fromthe topcarefully and by
usingappropriateequipment.
WARNING
Dangerous handling. The motor is heavy,
proceed with caution to remove the reduction
gearmotor.Itisrecommendedtoweargloves.
Installingthetractionmotor
- To install the traction motor, proceed in the reverse
orderasforremoval.
- Replace the O-ring (5) and grease it before refitting
the motor (1) in the reduction gear (8).
- Check the tightening torque of all the joints and con-
nections of the motor (see section 2).
CAUTION
- To prevent a short-circuit, it is important to
clamp the 3 terminals U, V, W of the traction
motor supply cables (tightening torque
9 Nm ).
- It is always possible to use an open-end
wrench to hold them while tightening.
- Make sure that all the fixtures are tightened at the
correct torque of 9.5Nm
- Check the electrohydraulic brakeair gap setting (see
section 4).
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Service Training
Section 1
Päge 6
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Service Training Section 2
Page 1
2 DRIVE-TRANSMISSION
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Service Training
Section 2
Page 2
2.1 DRIVE UNIT
Driveunitmountedona turntable(4);steering ensuredby
anelectricalgearmotor(7),whichpositionstheturntable.
Motor wheel (6) powered by asingle-stagereduction gear
(5) anda conical ring gear.
Asynchronous 3 kw traction motor (1) mounted vertically
onthereductiongear(5).
CAUTION
Forarubberorunbrandedrubbermotorwheel,
ashim(3)isadded.
2
78
3
4
5
63
1
9
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Service Training Section 2
Page 3
CAUTION
Compulsoryliftingpotentiometer
- Slingthetruckatleast60cmfromthegroundandbrace
it on platforms to extract the drive unit and its support
from the bottom.
- Turn the variator plate and the handlebar plate to the
back.
- Dismantle the left stabiliser (see section 4).
- Disconnectthesteeringpotentiometer(8),thesteering
motor (7) and the traction motor (1).
- Disengage the electrohydraulic brake (2) (see section
4).
CAUTION
To prevent hydraulic leaks on the brake linings,
dont dismantle the brake hydraulic hose pipe.
- Screw on a slinging ring (10) at the end of the motor
spindle.
- Fasten 1 sling (11) andstretch it slightlywith the hoist.
- Unscrew the 4 fixing screws (9) of the motor/ chassis
support unit.
- Extract the entire drive unit carefully from the bottom
(80Kg).
WARNING
Dangerous handling. The drive unit is heavy,
proceed with caution to disengage it from the
chassis.
It is recommended to weargloves.
To reinstall thedriveunit, proceed in the reverse order as
for removal.
CAUTION
Topreventashort-circuit,itisimportanttoclamp
the 3 terminals U, V, W of the traction motor
supply cables (tightening torque 7.5 Nm).
-Itisalwayspossibletouseanopen-endwrench
to hold them while tightening.
- Check the electrohydraulic brake air gap setting (see
section 4)
11
10
2.1.1 Removing/replacing the drive unit
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Service Training
Section 2
Page 4
Motor wheelpoweredby a single-stagereduction
gear anda conical ring gear.
Reduction gearin rotation bya slew ring fixed on
the chassis.
Maintenance:
Permanentlygreased slewring.
2.2.1 Technical data
Reductiongear T20/T24
Loadonthedrivewheel 1.5 T maxi
Numberofteeth:slewring 108
Speedreducingratio 19.67
Oilvolume 1.5 litres
Maximum torque atthe wheel (static) 1,375Nm
Maximumtorqueatthewheel(dynamic) 916Nm
Torqueatwheel: 229Nm
17
32 22
25
21
26 15
23
19 16
15 14 13 911
618
33 28 29 2 27 5
37
8
6
10
12
34
30
20
1
The type and serial number are identical on a sign
plate fixedonthereduction gear.
2.2 REDUCTION GEAR
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