Danfoss JS1-H Serviceability User manual

Service Manual
JS1-H Serviceability
IP54 Joysticks
www.danfoss.com

Revision history Table of revisions
Date Changed Rev
July 2019 Literature type corrected back to Service Manual and correct literature id number 0103
July 2019 Title corrected and Literature id number changed 0102
July 2019 First edition 0101
Service Manual
JS1-H Serviceability for IP54 Joysticks
2 | ©Danfoss | July 2019 AX311058842185en-000103

HR1, ST7, PR2, ST2, PR7 Cup and cable disassembly.......................................................................................................................................................... 4
PCBA removal.................................................................................................................................................................................... 6
Grip removal from base..................................................................................................................................................................7
Boot replacement.............................................................................................................................................................................8
Cable and cup replacement......................................................................................................................................................... 9
ST7, PR2, ST2 Items and faceplate removal..................................................................................................................................................... 10
Items and faceplate assembly...................................................................................................................................................12
Grip assembly..................................................................................................................................................................................13
PCBA, cup and cable assembly................................................................................................................................................. 13
Grip replacement........................................................................................................................................................................... 16
HR1 Grip removal from base...............................................................................................................................................................17
Boot, cup and cable replacement............................................................................................................................................17
Items and grip disassembly........................................................................................................................................................18
Items and grip reassembly..........................................................................................................................................................19
PR7 Cup and cable replacement.......................................................................................................................................................20
Items and grip disassembly........................................................................................................................................................20
Items replacement.........................................................................................................................................................................20
Grip replacement........................................................................................................................................................................... 22
Boot replacement.......................................................................................................................................................................... 23
Service Manual
JS1-H Serviceability for IP54 Joysticks
Contents
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In order to remove the desired item/ items, the following first steps need to be followed no matter what
grip is being used.
Cup and cable disassembly
1. Remove the retainer by carefully opening the snap with a screwdriver.
The snap can be easily broken. If it is broken, a new cable will need to be purchased.
2. Carefully pull back the grommet while holding the cable.
Service Manual
JS1-H Serviceability for IP54 Joysticks
HR1, ST7, PR2, ST2, PR7
4 | ©Danfoss | July 2019 AX311058842185en-000103

3. Remove the 4 screws to open the cup.
4. Unplug the cable connector.
Service Manual
JS1-H Serviceability for IP54 Joysticks
HR1, ST7, PR2, ST2, PR7
©Danfoss | July 2019 AX311058842185en-000103 | 5

PCBA removal
1. Take a picture to ease the re-installing of the connectors. Unplug all PCBA connectors.
2. Remove the 3 screws from the bottom plate and remove the PCBA.
Service Manual
JS1-H Serviceability for IP54 Joysticks
HR1, ST7, PR2, ST2, PR7
6 | ©Danfoss | July 2019 AX311058842185en-000103

Grip removal from base
Loosen the 2 set screws and carefully remove the grip (not HR1 and PR7).
Service Manual
JS1-H Serviceability for IP54 Joysticks
HR1, ST7, PR2, ST2, PR7
©Danfoss | July 2019 AX311058842185en-000103 | 7

Boot replacement
Grip must be removed, as describe in Grip removal from base on page 7.
The boot can be replaced if desired with the following steps.
1. Hold the boot tightly and pull it off (it is not easy to remove).
2. To re-install the boot, place it all around the base, slightly open it and push down to get in the correct
place.
Service Manual
JS1-H Serviceability for IP54 Joysticks
HR1, ST7, PR2, ST2, PR7
8 | ©Danfoss | July 2019 AX311058842185en-000103

Cable and cup replacement
The case (cup) will need to be removed to install the cable.
The label from the old case will need to be put back on the new case otherwise all information about the
joystick is lost.
The cable will need to be removed to install the new case.
Refer to Cup and cable disassembly on page 4, at step 4 it is possible to replace either the cable or cup.
1. Carefully take the cable connector out through the grommet hole, replace either the cup or cable and
insert the cable again through the grommet hole.
2. Align the two grooves before tightening the cup back on.
Service Manual
JS1-H Serviceability for IP54 Joysticks
HR1, ST7, PR2, ST2, PR7
©Danfoss | July 2019 AX311058842185en-000103 | 9

Cable and case will need to be removed, and wires unplugged and pulled through. New wires need to be
routed into the base and installed correctly, then case and cable re-installed. Purchase of a new faceplate
is required. Rollers can only be replaced on analog joysticks.
In order to remove a push button, roller or rocker, the whole faceplate needs to be removed and
replaced.
Remove a push button or a rocker with a flat screwdriver.
Items and faceplate removal
1. Insert a flat screwdriver between the faceplate and the roller and lift it.
2. Push the buttons out using the fingers.
Service Manual
JS1-H Serviceability for IP54 Joysticks
ST7, PR2, ST2
10 | ©Danfoss | July 2019 AX311058842185en-000103