Service; Disassembly - Graco 2K Ultra-Lite Series Instructions-Parts List Manual

WARNING
SKIN INJECTION HAZARD
To reduce the risk of serious injury
whenever you are instructed to relieve
pressure, always follow the Pressure
Relief Procedure on page 13.

Disassembly

1. Relieve all air and fluid pressure.
2. Disconnect the valve from the system.
3. Remove the four nosepiece screws (40), and pull
the nosepiece (31) away from the valve. Remove
the snuff-back ring (13) and restrictors (32 and 33)
if used. See Fig. 5, page 20.
4. Use a 3/32 in. pin punch in the needle hole to
unscrew the needle (27). If the shaft (3) spins,
insert a dowel pin in the shaft hole to hold it
steady, then unscrew the needle.
5. Remove the seat (25), gaskets (36), and o-rings
(14).
6. Remove the two fluid housing screws (23) and
remove the fluid housing (26). Remove the primary
fluid seals (22) from the fluid housing (26).
7. Pull the bearing/lube housing (19) from the air
cylinder (1). Remove the bearings (21), bearing
o-rings (16), and secondary fluid seals (20). Re-
move the grease fittings (17 and 18).
8. Remove the C-clip (12) from the back of the air
cylinder (1). Push the two shafts (3) into the air
cylinder to dislodge the air cylinder cap (11).
Remove the cap o-ring.
9. Remove the internal C-clip (12). Push the two
shafts (3) to dislodge the piston (10) assembly
from the air cylinder (1).
10. Remove the adjustment nuts (8), the pin (7),
o-rings (9), and piston o-ring (6) from the shaft (3).
11. Remove the pin (7), o-ring (9), and piston o-ring
(6).
12. Use a 1/4 in. pin punch to knock out the bearings
(5) and o-rings (4).

Service

Air Switch Handle (if equipped)
1. Remove the trigger (59).
2. Loosen the set screw above the trigger safety. Pull
off the handle (58).
3. Remove the four retaining screws (15). Pull the
manifold (63) and gasket (30) away from the air
cylinder (1).
Air Valve
1. Unscrew the stem guide (61).
2. Remove the trigger pin (62), o-ring (60), spool
(53), spacers (54, 55), o-rings (50, 52) and spring
(51).
3. Remove the bushing (56) from the housing (63)
with the screw (57).
4. Remove the screws (65) and lock-washers (66)
from the air cylinder (1).
Electric Switch Handle (if equipped)
1. Disconnect the power from the gun.
2. The switch, housing, and cable are not repairable.
Replace these parts as a complete assembly.
3. Remove the trigger (59).
4. Loosen the setscrew above the trigger safety. Pull
off the handle (58).
5. Remove the four manifold retaining screws (65).
Pull the housing (63) and gasket (30) away from
the air cylinder (1).
6. Remove the bushing (56) from the housing (63)
with the screw (57).
7. Remove the screws (65) and lock-washers (66)
from the air cylinder (1).
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