Graco 333586E, Installation Manual

Page: 44 / 102

Maintenance
44 333586E
Platen Maintenance
1. Follow the steps to Change Drums on page 41.
2. Follow the Pressure Relief Procedure on page 39.
3. Refer to parts illustration on page 74 and remove
the platen check valve (449) as shown.
4. Clear air assist tube (AT) in Platen (AD).
5. Clean all parts of the platen check valve (449) and
replace if necessary.
6. Remove Bleed Stick (EF) from Platen (AD). Push
Bleed Stick through Bleed Relieve Ports (EG) to
remove material residue.
Remove and Reinstall Wipers
Remove Platen Wipers
NOTE: Five gallon Platens have a single Wiper that
must be removed, and 55 gallon Platens have a top and
bottom Wiper that must be removed.
1. Follow the Pressure Relief Procedure on page 39.
2. If using an ambient system, turn the Disconnect
Switch (AZ) OFF. If using a heated system, turn the
Power Junction Box Switch (AK) and the
Disconnect Switch (AZ) OFF.
3. To replace worn or damaged Wipers (EB), raise
Platen up out of drum. Remove drum from base.
Wipe fluid off of Platen.
4. Cut the Wiper(s) (EB) with knife and remove from
Platen. See F
IG
. 41.
F
IG
. 40
EC
AT
EF
EG
F
IG
. 41
TI10613A
EB
EB
55 Gallon Platen
5 Gallon Platen