2022.3-0000010 OM End of Table 7.14 Failure, external manifestations, cause
Troubleshooting
Spontaneous lifting of RLL (lifting without a command received from the instrument panel or remote control buttons) Deadlock of the lift spool of a regu- Elimination of failure should be carried out directly latory section R-23LS (if inte- in tractor, without the need of integrated unit disassembly, for which perform the following: grated unit BOSCH is installed) - thread out four screws fastening lower solenoid 13 (Figure 7.14.1) then withdraw the solenoid ; - withdraw the lift spool 14 and the spring 15, rinse the mentioned components and the bore in the section housing; - assemble the lift valve in reverse sequence Deadlock of the lift spool of a regu- To eliminate failure contact your dealer latory section (if hydraulic unit 70-1523.1 is installed) Failure diagnostics signaling device located on the RLL control panel reports numerical error codes Damage in electrical wiring, sole- Eliminate the failure according to the subsection noids, corrosion of terminals, sen- 7.13 “Possible failures in the electronic control syssors failure (force or position) of tem of RLL, and guidelines for troubleshooting” RLL ECS. 7.14.3 Section
R-23LS lowering valve disassembly procedure
1 – counter nut; 2 – worm; 3 – worm gear wheel; 4 – washer; 5 – spring; 6 – lock nut; 7 – lowering valve assembled; 8 – solenoid; 9 – screw; 10 – section housing; 11 – cap; 12 – coil; 13 – solenoid; 14 – lift spool; 15 – spring. Figure 7.14.1 – Regulatory section R-23LS 328
