Graco 3X8398EN-E Owner's Manual

3x8-398
Rev. E
Supersedes Rev. D
Parts Change Notice
Some partsand the Troubleshooting sectionin Rev. D of manual 308-398 havechanged but have not yet been
changed in the instruction manual. Please note the changesbelow and mark them in your manual or keep this
sheet with your manual.
Parts changes:
Assembly No.
Series
Letter
Change Changed
231 -326
-
231 -327
-
238-041
-
159-841
Ref Part That
No. Part Description
NIPPLE, hex, 318 npt x 318
60 162-485
npsm
202 HOSE, 50 ft x 318 npsm
(Qty 1)
205 ADAPTER, 114 npt x318 npt
Description of Change
Replaces 164-1372, It is not
interchangeable.
Replaces 223-541 (Qty 2).
Replaces 156-971. It is not
interchangeable.
Troubleshooting changes:
PROBLEM
1 CAUSE
The inlet screen isclogged.
The fluid delivery is low.
The pressure setting is too low.
I
1 SOLUTION
Clean the inlet screen.
1 Increasethe pressure. See step 11.,
page 15.
The engine speed is too low.
Increase thethrottle setting. See step
1 1
., page 15.
The fluid filter (51), the tip filter or the
tip is clogged or dirty.
Clean thefilter. See page 17 or the
gun instruction manual.
Use a larger diameter hose and/or There
reduce the overall length of hose.
Use of more than 100 ft of 1/4 in.
hose significantly reduces theperformance of the sprayer. Use 318 in.
hose for optimum performance (50 ft
minimum).
is a large pressuredrop inthe
hose with heavy materials.
I
I
I
7/6/95