Maintenance - WAGNER AG-08 TS Owner's Manual

Maintenance

Follow all safety precautions as described
in the Safety Precautions section of this
manual before proceeding.
i
Refer to the Parts List section in
this manual for part identification.
Replacing/Servicing the Seal Assembly
If your spray gun leaks or spits at the tip when
you release the trigger, the needle or seat is
worn, damaged, or dirty and must be replaced
or cleaned.
Never attempt to perform
maintenance on the spray gun
without first performing the
"Pressure Relief Procedure."
1. Disconnect the fluid hose from the gun.
2. Remove the tip and tip guard.
3. With the trigger depressed, remove the
diffuser from the front of the gun.
4. Remove the lock nut, rear housing, and
retractor pins from the rear of the gun
head.
5. Remove the seal assembly from the front
of the gun head by pushing or gently
tapping at the back of the seal assembly.
6. Soak the removed parts in the
appropriate solvent and wipe clean.
7. Inspect the parts for wear or damage and
use new parts during reassembly of the
gun, when necessary.
i
Lubricate all packings and moving
parts before reassembly with a
lithium-based grease.
8. Install the seal assembly into the front of
the gun head.
7. Insert the packing seal assembly into the
rear of the gun head and thread it by
hand until it stops.
8. Using a 3/8" socket, tighten the packing
seal assembly. Torque to 5 Nm (3.7 ft./
lbs.).
9. Install the retractor pins into the rear of
the gun head. Slide the rear housing
onto the retractor pins and secure in
position with the lock nut.
10. WIth the trigger depressed, install the
diffuser into the front of the gun head
and tighten securely with a wrench.
11. Perform the "Adjusting the Seal
Assembly" procedure described below.
14
GB
Adjusting the Packing Seal Assembly
Proper adjustment of the packing
seal assembly is essential to
ensure positive shut-off when the
trigger is released.
1. Tighten the lock nut until the rear
housing is flush against the gun head.
2. Unscrew the lock nut 3/4 of a turn.
i To check the adjustment of the
seal assembly:
1. Move the gun trigger lock to the
locked position.
2. Pull the trigger. With the
trigger lock engaged, there should
be 1/32" of movement between
the lock nut and the rear housing
while pulling the trigger.
Replacing/Removing the Filter
1. Pull the bottom of the trigger guard
forward so that it comes loose from the
handle assembly.
2. Loosen and remove the handle assembly
from the gun head.
3. Pull the old filter out of the gun head.
4. Slide the new filter, tapered end first, into
the gun head.
5. Place the handle seal into the gun head
with the flat side of the seal toward the
gun head.
Flat side of
handle seal
(toward gun head)
6. Thread the handle assembly into the gun
head until secure.
7. Snap the trigger guard back onto the
handle assembly.
Filter Chart
Part Application
Number
0034383 Synthetic resin,
enamels, clean
varnishes, stains,
azures
0043235 Base coat enamels,
primer enamels,
fillers, marking paints,
textured enamels
0034377 Emulsions, latex
paints, acrylic paints
0089323 Filler paints, large area
surfaces
Bevelled side of
handle seal
(toward handle)
Filter Filter
Type Color
Extrafine Red
Fine Yellow
Medium White
Coarse Green
AG-08 TS