Operating instructions

11
HVLP Paint Sprayers
Operating Instructions and Parts Manual
www.chpower.com
HV2100, HV2105
Maintenance
TURBINE MAINTENANCE
The turbine unit needs very little
maintenance. The motor has sealed
bearings that are pre-lubricated. No
service is necessary. Periodically, the
turbine air filters and pre-filters should
be examined. Clean filters are critical
to good performance and equipment
longevity. Your turbine has 2
replaceable filters (see Turbine Repair
Parts on page 13).
- Remove the two hex-head securing
nuts in order to remove the filters
for cleaning or replacement.
- Periodically wash and blow excess
dust and dirt with water and an air
compressor. Dirty filters will reduce
the air being drawn through the
motor. This will cause the unit to run
unusually hot, and it will lower spray
performance and reduce the life of
the motor.
- Clean and/or replace filters and pre-
filters when you suspect they can no
longer be cleaned.
CLEANING YOUR SPRAY GUN
After spraying, clean your spray gun to
prevent buildup and hardening of
coating inside. Proper cleaning will
help prevent equipment damage and
will increase equipment life.
1. Empty any unused paint from the
paint cup. Wash out any residue with
a cleaner compatible with the
coating, or water if using a water
based material.
2. Fill the cup part way with cleaner.
Spray through the gun to flush out
the material passages.
3. Remove the air cap and clean. Make
sure that the air holes in the horns
of the air cap are clean.
4. Using a brush and solvent, remove
any paint deposits on the outer
surface of the tip/nozzle. If it is
Maintenance (Cont.)
necessary to remove the tip/nozzle
and needle for cleaning, the
following procedure should be used:
a. Unscrew the material flow knob.
Remove the needle spring, and
then withdraw the needle.
b. Remove the tip.
c. Clean both tip and needle using
cleaner or water and a brush.
d. Reassemble all parts, making sure
that all washers and gaskets are
replaced correctly.
e. Oil the needle spring and put a
spot of oil on the gland seal to
prevent the needle from sticking.
To adjust the gland nut, tighten
until needle sticks, and then
slacken off by about 1/8 turn.
f. Check the cup top gasket and
replace if damaged. Always seat
the cup top gasket flat in the cup
groove. Failure to do this will
allow the cup to drip and impair
the spray pattern due to loss of
pressure.
g. Lubricate all threads to ensure
smooth operation.
Blockages and or leaks may occur if the
gun is left on its side or turned upside
down. Always hang the gun by the
hook when not in use.