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7. Dump out any remaining water.
Daily Maintenance
Unplug power cord(s) before servicing or making
any repairs.
Débranchez le cordon d'alimentation (s) avant de
réparer ou d'effectuer des réparations.
1. Inspect hoses for wear. Frayed or cracked hoses
should be replaced to avoid solution pressure loss.
2. Inspect charging cord for wear or damage. To
prevent electrical shock, replace cords that are
frayed or have cracked insulation immediately.
3. Flush the entire system, including spray gun, with
0.5 to 1 gallons of clean, warm water.
4. Check hoses for wear, blockages or damage.
Frayed or cracked hoses should be repaired or
replaced to eliminate solution pressure loss.
5. Check all handles, switches, knobs, electrical
cables and connections on your machine for
damage. If the cable insulation is broken or frayed,
repair or replace it immediately. Do not take
chances with electrical fire or shock.
6. Clean out reservoir, solution screen and nozzle.
7. Clean outside of machine and check for damage.
Cleaning Nozzle
1. Remove nozzle cap and nozzle. Check valve for
wear.
2. Clean nozzle with warm water and a soft bristled
brush. A stainless steel compatible cleaner may
also be used.
3. Reverse steps to re-assemble
NOTE: Make sure to hold spray gun valve open
(Squeeze gun trigger) during disassembly and re-
assembly.
Monthly Maintenance
1. Check all gaskets for wear and leakage.
2. Check pump pressure; observe spray pattern.
3. Check overall performance of machine.
Storage
Thoroughly clean and flush machine if it is to be stored.
Protect this machine from freezing while in storage.
Store with access covers removed to allow reservoir to
dry.
86390170 - KARCHER PS 4/7 BP
Maintenance
13
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