Graco Fusion CS Series Instructions Manual page 29

5. Loosen A and B side seals two turns.
6. Pull out mix chamber from back of fluid
housing. See Table 2 for appropriate size
drill to clean ports. Also see identification
chart under Drill Bit Kits, page 53.
NOTE: Some mix chambers have counter
bored holes and require two drill sizes to clean
impingement ports completely.
Impingement Port
IP
CB
Mix Chambers RD and
FL, 2020 and 2929
F . 40
IG
312666W
TI12097d
IP
CB
TI3533a
Mix Chambers RD and FL,
4242 or larger
Table 2: Impingement Port Drill Bit Sizes
Mix Impingement
Chamber Port (IP) Drill
Bit Size in.
(mm)
RD2020 #76, .020 (0.50)
RD0000 #69, .029 (0.70)
RD0101 #58, .042 (1.00)
RD4747 .045 (1.15)
RD0202 #55, .052 (1.30)
RD0303 #53, .060 (1.50)
FL2020 #76, .020 (0.50)
FL0000 #69, .029 (0.70)
FL0101 #58, .042 (1.00)
FL0202 #55, .052 (1.30)
7. Push mix chamber back into position.
8. Tighten A and B side seals.
9. Attach Front End, page 36.
10. Attach fluid manifold (M). Connect air (D).
Return gun to service.
Maintenance
Counter-bore
(CB) Drill Bit
Size in. (mm)
#53, .060 (1.50)
#53, .060 (1.50)
N/A
N/A
N/A
N/A
#53, .060 (1.50)
#53, .060 (1.50)
N/A
N/A
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