Fluid Tube Removal & Replacement; Fluid Filter Removal - Graco 236-030 Instructions-Parts List Manual

Fluid Tube Removal & Replacement
To remove the fluid tube assembly (12) for cleaning or
replacement:
1. Prepare the gun for service as instructed on page
29.
2. Disconnect the bottom fluid tube nut (C). See
Fig. 10.
3. Carefully unscrew the top fluid tube nut (D).
CAUTION
Be careful not to damage the fluid tube assembly
(12) when cleaning or installing it, especially the
sealing surface (E). See Fig. 11. If the sealing sur-
face is damaged, the entire fluid tube assembly must
be replaced.
4. Apply grease, part no. 217–115, to the entire
length of the plastic extension on the end of the
fluid tube (12). See Accessories to order the
grease.
5. Apply a low strength thread sealer (such as purple
Loctite ) to the fluid tube nut (D) threads.
6. Install the fluid tube into the gun barrel by tighten-
ing the top fluid tube nut (D) hand-tight, then turn it
1/4 to 1/2 turn with a wrench. There will be a gap
between the nut and barrel. Do not over-tighten it.
7. Make sure the fluid filter (14) is in place in the fluid
fitting (10). Then tighten the bottom fluid tube nut
(C) onto the fluid fitting; make sure the top fluid
tube nut (D) remains tightened.
Service

Fluid Filter Removal

1. Prepare the gun for service as instructed on page
29.
2. Disconnect the bottom fluid tube nut (C). See
Fig. 10.
3. Remove the fluid filter (14) from the fluid fitting
(10). Clean or replace the filter, as needed.
4. Install the fluid filter back into the fluid fitting (10)
and tighten the bottom fluid tube nut (C) onto the
fluid fitting; make sure the top fluid tube nut (D)
remains tightened.
D
C
14
Fig. 10
Apply grease 217–115
Apply low strength thread sealer
E
Fig. 11
10
02009
12
D
C
2079