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6.2.4 Check of V-belts
1. Remove the spark plug cable.
2. Dismantle the cover of the V-belts.
3. Check the belts for any damage or missing tension.
4. If required, replace the belts.
5. Mount the cover.
6. Mount the spark plug cable.
7. Troubleshooting
Original instruction
Malfunction
Cause
Solution
Pressure loss
Air in system
Vent the system and use the sprayer several
times at short intervals, if necessary dismoun-
ting the spray pipe (see section 4.2.2)
High-pressure nozzle clogged or worn
Clean / change high-pressure nozzle
Pressure control to the spray pipe not
properly set
Set the operating pressure you require
Engine speed is too low
Push the gas lever in the "maximum" direction
Warm / loose belts
Tighten the V-belt
Pressure fluctuations
Water shortage
Completely open the water tap
Pump / accessories partly frozen
Defrost the machine along with the accessories
Water supply hose too long or insuffi-
cient cross-section
Use at least ¾" hoses; maximum length 25m
Water shortage due to clogged water
filter
Clean the water filter in the water connection
(never use without the water filter!)
Warm / loose belts
Tighten the V-belt
During suction
Water shortage due to maximum allo-
wable suction height not being observed
See "Technical Data" chapter
Water too hot
See section 4.2.2
Pump taking in air (only possible during
suction)
Check the airtightness of the suction system.
Re-vent
Pressure too high
Engine's gas control is defective (acces-
sories)
Accelerate more lightly / Call the Storch custo-
mer hotline
The engine fails to start
Air in system
Vent the system and use the sprayer several
times at short intervals, if necessary dismoun-
ting the spray pipe (see Para. 4.2.2)
High-pressure nozzle clogged or worn
Clean / change high-pressure nozzle
Pressure control to the spray pipe not
properly set up
Set the operating pressure you require
Engine speed is too low
Push the gas lever in the "maximum" direction
Warm / loose belts
Tighten the V-belt
