13
Micro Computer Controlled
Board
Sealing ring replace:
Before the repair, please be sure to determine the equipment fault, otherwise the unnecessary
dismantling of equipment will seriously affect the function of the equipment and greatly shorten the service life of
equipment.
1. Remove Pump’s front cover.
2.
Use a special tool to take out the plunger rod connecting pin
3. Lose the cap
4. Unscrew the pump body components
，
separately on the pump body and feedstock block.
5. Take out the plunger rod in the opposite direction
，
take out the ring size
6. In the size of ring outer ring, with a little grease; Press the ring into the pump body
7. Press the plunger rod into the pump body
8. Put Into the pump body components according to the disassembly sequence.
R520 Airless Sprayer Electrical Installation Drawing
Electricity (230V)
Heat Pressure Control
Protection Switch
Electrical
Switch
Motor
