Delta D28650 - Manual (Page 16)

16- ENG D28650
NOZZLE CLEANING
If the nozzle becomes clogged with foreign materials, such as dirt, excessive
pressure may develop. If the nozzle becomes partially clogged or restricted, the
pump pressure will pulsate. Clean the nozzle immediately using the nozzle kit
supplied and the following instructions:
1.
Shut off the pressure washer and turn off the water supply.
2. Disconnect spark plug wire.
3. Pull trigger on gun handle to relieve any water pressure.
4. Disconnect the spray wand from the gun.
5. Remove the high-pressure nozzle from the spray wand. Remove any
obstructions with the nozzle cleaning tool provided and backflush with clean
water.
6. Direct water supply into spray wand to backflush loosened particles for 30
seconds.
7. Reassemble the nozzle to the wand.
8. Reconnect spray wand to gun and turn on water supply.
9. Start pressure washer and place spray wand into high pressure setting to test.
HOW TO CLEAN THE WATER INLET FILTER
This screen filter should be checked periodically and cleaned if necessary.
1. Remove filter by grasping end and removing it from
water inlet of pump as shown.
2. Clean filter by flushing it with water on both sides.
3. Re-insert filter into water inlet of pump. NOTE: Cone
side faces out.
NOTE: Do not operate pressure washer without filter properly
installed.
Filter Screen