Campbell Hausfeld PS120B - Manual (Page 15)

Spray Gun maintenance
pump damage may
occur if these
instructions are not followed.
Before performing
any maintenance,
make sure to relieve pressure from
system and disconnect power from
sprayer.
• do not use oil based solvents to
clean equipment after using latex
based coatings. Use only warm soapy
water.
• Always replace clogged gun filters,
do not attempt to clean them.
• carefully follow cleaning and
storage instructions for your sprayer.
• do not use metal or other hard
objects to pick dried paint material
from Spray Tip Orifice.
TrIGGEr lOCk
pulling the trigger
must not open the
gun valve when
trigger lock is activated.
You should be able to get the actuator
(#12, page 19) to wiggle slightly with
your finger while holding the trigger
against the trigger lock when it is in the
locked position. If you cannot, adjust
the trigger position by following these
instructions:
1. Place trigger in locked orientation
(tabs horizontal).
2. With one hand holding trigger
lightly against lock, use a 1/4 inch
nut driver to turn nut
(#13, page 19)
in until trigger starts to come off the
lock.
3. Reverse the nut (counterclockwise)
1/2 turn.
15
Operating Instructions and Assembly Instructions
Airless Paint Sprayers
TIP SEAl AND wAShEr
Occasionally, you will need to replace
the silver seal and clear washer located
inside the tip base.
1. To replace seal and washer, first
loosen tip base with adjustable
wrench, and then remove by hand.
2. Remove spray tip.
3. With Phillips screwdriver, push seal
and washer out from front of tip
base.
4. With flat side of seal facing up, place
seal in base. Make sure it lines up
properly with base.
5. Place washer in base. Make sure it
lines up properly with base.
6. Put spray tip back in tip base.
7. Reattach tip base to gun valve.
Make sure spray
tip and tip base fit
snugly in place. A
loose fit can lead to misdirected spray
discharge and a skin injection hazard.
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15