Do you have a question about the JSK 39 and is the answer not in the manual?
Questions and answers
Leon E. Ball
April 29, 2025
Should the 5th wheel rockers be luricated
1 comments:
Mr. Anderson
May 15, 2025
No, the context does not mention lubricating the 5th wheel rockers of the Jost JSK 39. Therefore, no specific lubrication instructions are provided for them.
Fifth wheel coupling with manual lubrication.. 15 2 Safety information..........6.1.2 Fifth wheel coupling with central lubrication 2.1 Safety information for operation........ Trailer rubbing plate guideline- JOST connection (version Z)........16 2.2 Safety information for servicing......... recommendation..6.1.3 Low-maintenance fifth wheel coupling with 2.3 Safety information for installation......
ATTENTION! Means that slight physical injury or material damage can occur if the relevant safety instructions are not followed. ADVICE! Contains additional important information. JSK 36 & JSK 37 MUB 002 004 M01 (REV-C) 04-2019 JOST IND (REV-A) 06-2019...
Safety information for servicing Only use the specified lubricants for servicing work. The servicing work should only be conducted by skilled per- sonnel. MUB 002 004 M01 (REV-C) 04-2019 JSK 36 & JSK 37 JSK 39 JOST IND (REV-A) 06-2019...
All welding on fifth wheel couplings and their parts is strictly prohib- ited and will render the type approval void. JSK 36 & JSK 37 MUB 002 004 M01 (REV-C) 04-2019 JOST IND (REV-A) 06-2019 JSK 39...
Other applications which do not comply with the manufactur- mounting plates or with comparable licensed equipment. er's recommendations JOST fifth wheel couplings are suitable for use with power steering systems. ADVICE! Technical modifications reserved. The latest information can be found at www.jost-world.com...
Proper usage Design JOST catalogue sheets and stamped on the type plate. This load da- ta is applicable for proper usage pursuant to regulation ECE R55-01. AIS-091-01. The fifth wheel coupling is designed in combination with the vehicle by the vehicle manufacturer (the design must comply with Regula- tion ECE R55-01, Annex 7).
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D value, or use a heavier fifth Test symbol and Fifth wheel posed D value wheel coupling. Alternatively, consult JOST. Type approval coupling load U [kN]...
When opening the fifth wheel coupling without a semi-trailer engaged, the fifth wheel coupling is to be opened as per Fig- ures G50/20 and G50/21. MUB 002 004 M01 (REV-C) 04-2019 JSK 36 & JSK 37 JSK 39 JOST IND (REV-A) 06-2019...
(for example a padlock) can be inserted G50/31 into the hole of the catch holder in the handle as shown. JSK 36 & JSK 37 MUB 002 004 M01 (REV-C) 04-2019 JSK 39 JOST IND (REV-A) 06-2019...
General installation instructions The bolt connections are therefore to be designed so that the pre- scribed tightening torque values or pre-stressing forces can be ap- To fasten the JOST fifth wheel coupling (pursuant to Regulation ECE Directive 94/ ISO3842 plied permanently.
The values shown above are guide values for a coefficient of friction µ tot. = 0.14. Further information is available in VDI 2230. MUB 002 004 M01 (REV-C) 04-2019 JSK 36 & JSK 37 JOST IND (REV-A) 06-2019 JSK 39...
Max. 2 mm unevenness Grease the fifth wheel coupling plate, locking mechanism parts Adequate reinforcement must be assured and king pin with high-pressure grease (EP), JOST high-per- Smooth and groove-free surface if possible, without weld formance lubricant (article no. SKE 013 440 000).
Lightly grease the fifth wheel coupling plate, locking mecha- Check the top plate liners for signs of wear and damage (see The skid plate must cover the fifth wheel coupling’s nism parts and king pin with high-pressure grease (EP), JOST section 6.6). set-down surface in every position.
You can also install automatic lubricant dispensers. To prevent cor- rosion on the skid plate, we recommend that the skid plate is We recommend high-pressure grease (EP), e.g. JOST high-perfor- greased lightly during the above service intervals. mance lubricant (article no. SKE 013 440 000).
With the standard version (not the low-maintenance version), the centre area around the wearing ring (6) must be completely filled with grease (see marked area). Grease specification: We recommend JOST high-performance lubricant (article no. SKE 013 440 000). MUB 002 004 M01 (REV-C) 04-2019 JSK 36 &...
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(see section 4.3). G50/040 Swivel lock jaw (1) forward, e.g. with a large slotted screwdriver, until the locking bar (3) is free. G50/041 JSK 36 & JSK 37 MUB 002 004 M01 (REV-C) 04-2019 JSK 39 JOST IND (REV-A) 06-2019...
To ensure the smooth running of the mechanisms When the wear limit on the king pin has been reached, it must be and repaired where necessary (see the appropriate JOST repair in- replaced. After the king pin has been replaced, the locking mecha- structions at www.jost-world.com).
To ensure the smooth running of the mechanisms When the wear limit on the king pin has been reached, it must be and repaired where necessary (see the appropriate JOST repair in- JSK38/59 replaced. After the king pin has been replaced, the locking mecha- structions at www.jost-world.com).
To ensure the smooth running of the mechanisms When the wear limit on the king pin has been reached, it must be and repaired where necessary (see the appropriate JOST repair in- replaced. After the king pin has been replaced, the locking mecha- structions at www.jost-world.com).
To ensure the smooth running of the mechanisms When the wear limit on the king pin has been reached, it must be and repaired where necessary (see the appropriate JOST repair in- replaced. After the king pin has been replaced, the locking mecha- structions at www.jost-world.com).
To ensure the smooth running of the mechanisms When the wear limit on the king pin has been reached, it must be and repaired where necessary (see the appropriate JOST repair in- replaced. After the king pin has been replaced, the locking mecha- structions at www.jost-world.com).
If there is still excessive play, the wearing ring and the lock jaw must be replaced as described in the repair in- structions. JSK 36 & JSK 37 MUB 002 004 M01 (REV-C) 04-2019 JSK 39 JSK 39 JSK 39 25 JOST IND (REV-A) 06-2019...
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Do you have a question about the JSK 39 and is the answer not in the manual?
Questions and answers
Should the 5th wheel rockers be luricated
No, the context does not mention lubricating the 5th wheel rockers of the Jost JSK 39. Therefore, no specific lubrication instructions are provided for them.
This answer is automatically generated