All Copyright and rights are the property of Johnston Sweepers Ltd
MA1:15
V Range 501 l 651 l 801 Maintenance Manual
Johnston Sweepers Limited
Chapter - Scheduled Maintenance
Page Issue B
Special notes for cleaning vehicles with vinyl livery or reflective markings
The Supawash handlance or similar can be used for cleaning areas of the vehicle with
vinyl or reflective markings subject to the following precautions being taken
80 bar
(1000 psi)
● Care MUST be taken not to damage sign written areas when cleaning. See special notes
for cleaning vehicles with vinyl livery below.
● ALWAYS keep pressure equipment in good condition and regularly maintained,
particularly at joints and unions.
● The use of safety goggles is recommended in case of deflected spray/debris.
● NEVER direct a high pressure nozzle at the skin as the fluid may penetrate the
underlying tissue etc. and cause serious injury.
Safety Precautions
90°- 75°
● The spray angle should be maintained between 90 and 75
degrees to the panel
● The nozzle distance should be greater than 1 metre minimum
from the panel
● The spray pattern should be a wide fan pattern
● The nozzle pressure should be 80 bar (1000PSI) max
● The water temperature should not exceed 60 ºC
● Do not use acid or solvent cleaning solutions û
1M
Alternative Methods
● Do Clean with a sponge or soft cloth using cold or warm water
with a soap or detergent, followed by a cold water rinse
CLEANING THE VEHICLE
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