Belarus 3522.5, Operator'S Manual

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3522.5-0000010 OM
327
7.3.3 Section
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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; 16 – lock ring; 17 – coil.
Figure 7.3.7 – Regulatory section
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R-23LS
Lowering valve
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R-23LS disassembly in the dismounted section is carried out ac-
cording to the procedure stated below:
1. Unscrew four screws 9 (Figure 7.3.7) by hexagon wrench 3 mm, removing the
coil 12 before by unscrewing the cap 11, withdraw the upper solenoid 8 from the section
housing
с
10.
2. Measure the dimension “
А
” with accuracy of not less than 0.1 mm.
3. Unscrew the counter nut 1 of the warm 2 locking, screw the warm out (hexagon
wrenches with 6mm head).
4. Screw the worm gear wheel 3 in up to the stop, ensuring the reduction of spring
pressing up force 5 by a hexagon wrench with 16mm head.
5. Remove the lock ring 16 and the washer 4 from the valve spindle 7.
6. Withdraw the spring from the valve 5.
7. Screw out the worm gear wheel 3 from the section housing by hexagon wrench
with 17 mm head.
8. Screw out the lock nut 6 of the lowering valve assembled from the section hous-
ing 10 hexagon wrench with 17 mm head.
9. Withdraw the lowering valve assembled 7 from the section housing 10.
10. Disassemble the lowering valve assembled 7.
11. Rinse all the components withdrawn from the section housing 10, and rinse the
section housing with the diesel fuel or petroleum also.
12. Assemble all components in reverse sequence, ensuring the dimension “A”
value? Measured before disassembly procedure.
ATTENTION: SECTION
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R-23LS LOWERING VALVE DISASSEMBLY PRO-
CEDURE SHALL BE CARRIED OUT ONLY BY DEALERS!
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