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115
929
760
723
655
176
13
26
2
2
26
13
28
655
2
2
13
5
476
74
477
4
4
45
720
721
721
722
719
724
564
564
57-e.DOC / K-MAN
Page 5
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The illustration at the left shows the locations of the PCBs and the
routing of the ribbon cable beneath the frame. The cable will have to
be installed underneath the frame before the electrical devices are
installed in their entirety. The cable should run between the frame
and the axles, the fifth-wheel shaft and the screws used to affix the
tank. If the cable were to be laid later it would be necessary to disas-
semble some components already installed.
The best course of action is to read all the information on the electri-
cal system in Chapter 13 before you begin assembling the compo-
nents on the frame. This will give you an idea of which components
will be connected by cable.
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7.1 Fixing parts for the cab
Using each two nuts M3 to attach one screw 4, washer 13 and bush-
ing 26 onto the lower front holes on both sides of the frame. At a
later stage of assembly (after the completion of all assembly groups -
see Chapter 12 - the front panel of the cab will be set hereon.
Once you have cut off the lateral cover on the locking device 476 (for
this purpose use either pliers or scissors), tense both springs 176
between those spigots of the locking device therefore provided. Then
press the locking device into the base 477 and fix the screw 115 into
the bore on top of the locking device. Now hang in the spring 74 as
follows: on top behind the screw head, and at the bottom on the nose
of the base. Now add the base cab locking onto the frame 45 with
screws 2 and nuts M3. After adding the cab to the frame the locking
device catches the gaps of the rear panel and thereby holds of it.
7.2 Mounting the servo unit
Accordingly to the drawing, use screws 5, washers 13 and nuts M3
to fix the bushings 28 onto the steering servo. Add now this complete
unit onto the servo supporting angle and fix it with screws 2. Use
screws 2 and nuts M3 to attach the servo supporting angle under-
neath the frame.
7.3 Mounting the PCB support
Use two adhesive pads 655 to affix the PCB support 723 behind the
servo supporting angle under the frame.
7.4 Assembling the blinker switch
Slide two single-bent springs 721 into the corresponding holes and
slots in the base plate 720. Insert the double-bent spring 722 into the
two holes on the lever blinker switch 724 and then place the eye of
the lever over the boss on the base plate. The cover plate 719 is now
secured to the base plate with countersunk screws 564.
Attach the blinker switch with two adhesive pads 655 that way onto
the steering servo, that the clamp-type connector 929 lays closely on
the fore edge of the housing.
Components attached to the front frame section ill. 7
View from below showing the location of components mounted onto the frame ill. 9
Cut off
this part
Assembly of blinker switch
Ribbon cable
from the switch
Steering servo
(not incl.
in the kit)
fully assembled
blinker switch
Front PCB Steering servo Ribbon cable Tank Rear axle Rear PCB
Blinker switch Gear Speed controller Differential
B-44-6
g
re
e
n
b
ro
w
n
w
h
it
e
B-44-7
Qty.
No. Assembly part
4
564 Countersunk tapping
screw 2.2 x 4.5
4
655 Adhesive pad,
double-sided
1
719 Cover for blinker switch
1
720 Base for blinker switch
2
721 Spring, single bent
1
722 Spring, double bent
1
723 PCB support, small
1
724 Lever for blinker switch
1
760 Servo angle 1, small
1
929 Clamp-type connector,
3-pole
Qty.
No. Assembly part
12
--- Nut M3
6
2 Screw M3 x 8
2
4 Screw M3 x 16
2
5 Screw M3 x 20
8
13 Washer 3.2
2
26 Bushing 4 x 0.5 x 7
2
28 Threaded bushing 20mm
1
45 Frame 3-axle chassis,
432mm
1
74 Draw spring
1
115 Screw M2 x 8
2
176 Coil spring for lever
1
476 Cab locking device
1
477 Base for locking device
Moment of torsion of the servo should
be at 30 Ncm. The servo supporting angle
will fit servos with the following data:
L x W x H: ........................41 x 20 x 38 mm
Gauge for screwing ....................48
±
2 mm
