Graco 24X636, Operation, Parts

Page: 16 / 30

Maintenance
16 313267W
4. Pull the slide valve on the supply air switch halfway
back to limit the air purge.
5. Use the grease gun (part no. 117792) to inject lubri-
cant grease (part no. 117773 into the zerk fitting (L)
until a light mist of grease is purged through the
snout. Shut off the supply air switch.
6. Remove the air cap and set it to the side. If solvent
soaking is required, remove the o-ring prior to soak-
ing.
7. Remove the snout insert and soak it in solvent until
the next usage.
Daily Startup
1. Clean the snout insert. Be sure both the face and
bottom flat are clean. Drill out the snout bore with
the correct size bit for the snout. See the
Cleaning
Drill Chart
on page
26
.
2. Clean the inner bore of the chamber. Drill out the
chamber snout inlet bore as required.
3. Install the snout insert.
4. Install the air cap onto the chamber. Tighten by
hand until the cap bottoms out. Snug down with a
1/2 in. wrench.
Parts Replacement Procedure
1. Follow the
Pressure Relief Procedure
as
described on page
13
.
2. Read each procedure entirely before beginning and
refer to the illustrations as needed.
3. Flush and clean all chambers and passages as they
become accessible.
4. Clean all parts before assembly.
5. Replace all o-rings and seals with new parts from
the appropriate kit.
Supply Air
Switch
Zerk Fitting
Insert
Air Cap
O-ring
NOTICE
Do not use a high torque when tightening the air cap.
Over tightening can result in chamber damage.
Before removing the side blocks, follow the
Pressure
Relief Procedure
to help prevent serious injury. Make
sure that both material valves are in the off position.
NOTICE
If the material valves are on when the side blocks are
removed, the gun quickly becomes encased in ure-
thane.