308–709
Rev. B
Supercedes Rev. A
INSTRUCTIONS-PARTS LIST
INSTRUCTIONS
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
4.0 HORSEPOWER, GASOLINE-POWERED
GM3500
Airless Paint Sprayer
3000 psi (210 bar, 21 MPa) Maximum Working Pressure
Model 231–579, Series A
Basic Sprayer with Lo-Boy Cart
Model 231–077
Same as 231–579, with hose and gun, RAC IV
r
Dripless
t
Tip Guard, and 517 size SwitchTip
t
Model 231–578, Series A
Basic Upright Sprayer
Model 231-057
Same as 231–578, with hose and gun, RAC IV
r
Dripless
t
Tip Guard, and 517 size SwitchTip
t
CAUTION
Always use a minimum hose length of 50 foot
(15 m) 1/4 inch ID or 50 foot (15 m) 3/8 inch ID. An
undersized hose may result in poor equipment
performance and damage to the clutch.
GRACO INC.
P.O. BOX 1441
MINNEAPOLIS, MN
55440–1441
Graco Inc. is registered to I.S. EN ISO 9001
Model 231-057 Shown
0136C
