Pressure
Switch
Replacement
- WARNING:
Before
proceeding,
follow
the
Pressure
A Relief Procedure
outlined
on
page
5. Additionally,
V
follow
all
other
warnings
to
reduce
the
risk
of
an
injection
injury,
injury
from
moving
parts
or
electric
shock.
Always
unplug
the
sprayer
before
servicing!
1. Remove the three screws (#238).
2. Loosen the retaining nut on
the
Tube (#300) from the
Connector
(#310). (See Page 24).
3. Remove the
Filter Block Assembly.
4. Remove the
Screw (#27) (See, Page 20) and remove
the Knob (#26).
5. Remove the Cover Plate and Insulator (#46 & 47).
6. Disconnect the red wires connecting to the Clutch
Starter (#44).
7. Remove the Screw (#27) located in the back
of
the
Electrical Box. Insert a 1/8" allen wrench
in
the hole and
back-off the set screw (#51)
until the Pressure Switch
(#43) is able to slide down through. Feed the electrical
wires down at the same time.
8. Insert a new Switch Assembly (#43) into the housing
(#28) while carefully guiding the wire into the Switch Box.
Using a needle nose pliers reconnect the wire to the
Clutch Starter.
9. Making sure that the Switch Assembly is fully inserted,
tighten the
Set Screw (#51) with a 1/8" allen wrench until
the Switch Assembly is secure. Reattach the Knob (#26).
0
-~
10. Make sure that the Gasket (#41) is
in
place. Then
1J
install the filter Block (#207). Secure with three screws
- (#238)and reattach the Retaining Nut
on
the Tube (#300)
to the Connector (#310).
11. Install the Cover Plate and Insulator (#46 & 47).
12. The Pressure Switch is Factory Calibrated
so
no
adjustment is required.
Service/Replacement
of
the
Pressure
Relief
Prime
Valve
WARNING: Before proceeding,
follow
the
Pressure
Relief Procedure
outlined
on
page
5. Additionally,
follow
all other
warnings
to
reduce
the
risk
of
an
injection injury,
injury
from
moving
parts
or
electric
shock.
Always
unplug
the
sprayer
before
servicing!
1. Remove the Groove Pin (#226) from Bypass Valve
Handle (#227).
2. Remove Handle (#227) and Bypass
Cam (#225).
3. Using a wrench, loosen Bypass Housing (#218) and
unscrew.
4. Unscrew Bypass Retainer (#224) and remove Bypass
Valve
Stem (#220).
5. Inspect ball on end
of
Stem (#220) and
0-Ring
(#219).
1
Clean
or
replace if worn.
.r
U 6. When reassembling make sure Washers (#221 & 223)
- are
in
place. Screw completed assembly into Filter Block
except for items #225, 226 and 227. Tighten securely with
wrench.
7.
Install Bypass Cam (#225) over Bypass Retainer
(#224), lubricate with grease. Line up Groove Pin (#226)
23
on Cam (#225) with hole on Filter Block (#207).
8. Using Groove Pin (#226) line up Stem (#220)
with
hole
on
Handle (#227). Secure Handle
with
Groove Pin (#226).
9.1MPORTANT: If Handle (#227) rotates 360°
check
Pin
on
Cam (#225).
Service
I
Replacement
of
Filter
WARNING:
Before
proceeding,
follow
the
Pressure
Relief Procedure outlined
on
page 5.
Additionally,
follow
all
other
warnings
to
reduce
the
risk
of
an
injection injury,
injury
from
moving
parts
or
electric
shock.
Always
unplug
the
sprayer
before
servicing!
PUMP FILTER
1. Unscrew Filter Housing (#202).
2. Remove Filter Cartridge (#204). Clean
or
replace.
3.
Inspect Seal (#206). Clean
or
replace.
4. Reattach Filter Housing (#202).
Gun
Filter-
WARNING:
Follow
all safety precautions
as
described
in
high
pressure
warning
section
before
proceeding.
If
your
spray
gun
leaks
or
spits
at
the
tip
when
you
release
the
trigger, the needle
or
seat
is
dirty,
worn
or
damaged and
must
be cleaned
or
replaced.
Replacement
or
Removal
of
Filter:
1.
First pull down,on trigger safety guard and swing away
from handle.
2. Unscrew handle from spray head.
3.
Unscrew left hand threaded* filter from spray head.
(*NOTE: Left handed thread requires turning the filter
clockwise
to
remove.)
4.
Screw new
or
cleaned
(t)
filter into the. head. (To
reinstall left hand thread turn counterclockwise.)
5.
Reattach handle to head and secure safety trigger
guard. (NOTE:
If
filter breaks off
in
the head use a small
wood screw
to
remove.) ·
Figure
9-
(t)For
more detail, part number information and
assembly drawings at larger scale, please
see
the
LX-80 Professional Airless Gun Owners Manual (#313-
012).
