Graco 312666R Paint Sprayer User Manual


 
Repair
36 312666R
Repair
Tools Required
Tools required to complete gun repair proce-
dures:
adjustable wrench
flat head screwdriver (included)
5/16 hex nut driver (included)
Lubrication
See page 55 to order lubricant. Liberally lubri-
cate all o-rings, seals, and threads.
Remove Front End
1. Follow Pressure Relief Procedure, page
page 17.
2. Flush Gun, page 26.
3. Use hex nut driver to remove fluid manifold
(M).
4. Unscrew and remove front cover retainer
(C).
5. Remove front cover (U).
6. Turn fluid housing (F) 1/4 turn counter-
clockwise to disengage slots. Remove fluid
housing.
7. Inspect fluid housing o-rings for wear or
damage. Replace if necessary.
Do not lubricate o-ring, seals, and threads
on ClearShot Liquid cartridge.
Proper attachment of front end is critical. Do
not operate gun if front end is loose or not
snug against handle.
CAUTION
If front cover retainer (C) and front cover (U)
are stuck due to material buildup, do not
force it by turning entire front end. Soak front
of gun in solvent to soften cured material and
free front cover and front cover retainer.
F
IG
. 43
F
IG
. 44
TI12092a
C
U
2b
TI12093a
F