jost LubeTronic 5Point Operating instructions

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Repair manual for
LubeTronic 5Point
1. Safety instructions during assembly
The LubeTronic 5Point must only be assembled and repaired by a qualified professional!
To carry out the work required, the fifth wheel coupling must be removed from the tractor unit as per the JSK 37
or JSK 42 assembly and operating manual and laid withthe underside facing upwards on a suitable work bench.
The pedestals must be removed as per the JSK or JSK 42 repair manual.
The assembly and operating manuals, as well as repair manuals, can be found on JOST’s website. See
www.jost-world.com.
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2. Handling the lubrication tubes
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When routing the lubricationtubes, avoid bending radii that are too small (Fig. 2), since these could lead to kinks
(Fig. 3). If the lubrication tubes are kinked during assembly, they must be replaced. Spare tubes can be ordered
under article number SKE006620200.
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When securing with cable ties, care must also be taken to avoid pinching (Fig. 5). If a cable tie has been pulled
too tight, it must be replaced with one that has been tied correctly.
Tools required Material required
 Diagonal cutters Spare parts kit, comprising:
 Torx T30 screwdriver  LubeTronic 5Point
 SW8 open-ended wrench  5 x cable ties
 SW13 open-ended wrench  4 x Torx M6 x 10 mm flat-head screws
 1 x Torx M6 x 16 mm flat-head screws
 Spare lubrication tube
Fig. 1: Adequate bending radius Fig. 2: Bending radius too small Fig. 3: Kink point due to bending
radius being too small
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The lubrication tubes must be cut to the required length. Use the tube being replaced as a guide.
Only use suitable tools to cut the tubes to size.
Ensure that the cut edges are clean and neat.
Fig. 4: Cable ties correctly secured Fig. 5: Cable ties pulled too tight
LSP108
LSP109

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3. Removing an installed LubeTronic 5Point
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 Loosen the locking nuts (2) on the tube screws (1) using the SW8 open-ended wrench.
 While doing so, secure the tube screw (1) using the SW13 open-ended wrench.
 Clearly mark the position of the lubrication tubes and remove the lubrication tubes from the cable screws.
 Remove the cable ties (4) on the lubrication tubes and pull the tubes through the retaining eyelet (3).
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The LubeTronic 5Point is secured to the fifth wheel coupling plate with a total of five screws.
 Loosen the assembly screws of the LubeTronic 5Point with a Torx T30 screwdriver.
 The LubeTronic 5Point can now be removed.
 Screws 1 and 5 have spacer sleeves on them. These must be stored and reused during assembly.
Fig. 6: LubeTronic 5Point, mark the lubrication tubes
Fig. 7: Position of screw 1 Fig. 8: : Positions of screws 2, 3 and 4 Fig. 9: Position of screw 5
SW 8
SW 13
2
1
3
4
L5P106
5
23
4
1
L5P107
T30 T30 T30

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4. Assembling the replacement unit
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 The spacer sleeves removed previously must be reused on screws 1 and 5.
 Place the new LubeTronic 5Point in position and secure to the original screw points with the screws
supplied.
 Tightening torque: 6.5 Nm ± 1.5 Nm.
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 Guide the lubrication tubes through the retaining eyelet (3) and secure with cable ties (4).
 Place the lubrication tubes on the relevant tube screw connections (1) and tighten the locking nuts (2) to a
tightening torque of 4 Nm ± 1Nm.
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Only the screws and locking devices supplied must be used.
Fig. 10: LubeTronic 5Point, assembled
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Lubrication tubes must not be kinked!
When tightening the cable ties, cable tie pliers must be used in order to avoid damaging the
cables and lubrication tubes.
Number Colour code
AYellow
BBlue
CRed
DGreen
EWhite
Fig. 11: Connection diagram for the lubrication tubes
SW 8
SW 13
T30
2
1
3
4
L5P113
B
A
DC
E
LSP110

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The LubeTronic 5Point is now fully assembled.
Fig. 12: Connection diagram for JSK 37
Fig. 13: Connection diagram for JSK 42
B
C
AE
D
LS P111
B
C
AE
D
LSP112